/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 16:21:50,987 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 16:21:51,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 16:21:51,087 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 16:21:51,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 16:21:51,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 16:21:51,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 16:21:51,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 16:21:51,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 16:21:51,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 16:21:51,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 16:21:51,089 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 16:21:51,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 16:21:51,090 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 16:21:51,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 16:21:51,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 16:21:51,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 16:21:51,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 16:21:51,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 16:21:51,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 16:21:51,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 16:21:51,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 16:21:51,093 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 16:21:51,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-19 16:21:51,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 16:21:51,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 16:21:51,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 16:21:51,262 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 16:21:51,263 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 16:21:51,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2023-05-19 16:21:51,264 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2023-05-19 16:21:51,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 16:21:51,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 16:21:51,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 16:21:51,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 16:21:51,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 16:21:51,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,307 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 16:21:51,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 16:21:51,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 16:21:51,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 16:21:51,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 16:21:51,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 16:21:51,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 16:21:51,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 16:21:51,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 16:21:51,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/1) ... [2023-05-19 16:21:51,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 16:21:51,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:51,358 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) [2023-05-19 16:21:51,360 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 [2023-05-19 16:21:51,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 16:21:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 16:21:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 16:21:51,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 16:21:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 16:21:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 16:21:51,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 16:21:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 16:21:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 16:21:51,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 16:21:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 16:21:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 16:21:51,397 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 16:21:51,435 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 16:21:51,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 16:21:51,533 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 16:21:51,543 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 16:21:51,543 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 16:21:51,545 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 04:21:51 BoogieIcfgContainer [2023-05-19 16:21:51,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 16:21:51,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 16:21:51,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 16:21:51,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 16:21:51,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:21:51" (1/2) ... [2023-05-19 16:21:51,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420ddadc and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 04:21:51, skipping insertion in model container [2023-05-19 16:21:51,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 04:21:51" (2/2) ... [2023-05-19 16:21:51,550 INFO L112 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2023-05-19 16:21:51,555 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 16:21:51,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 16:21:51,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 16:21:51,561 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 16:21:51,599 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 16:21:51,655 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 16:21:51,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 16:21:51,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:51,669 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) [2023-05-19 16:21:51,670 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 [2023-05-19 16:21:51,706 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 16:21:51,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 16:21:51,733 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;@bdcea36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 16:21:51,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 16:21:51,846 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)] === [2023-05-19 16:21:51,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:51,850 INFO L85 PathProgramCache]: Analyzing trace with hash -23417334, now seen corresponding path program 1 times [2023-05-19 16:21:51,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:51,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876641139] [2023-05-19 16:21:51,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:51,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 16:21:52,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:21:52,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876641139] [2023-05-19 16:21:52,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876641139] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 16:21:52,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 16:21:52,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 16:21:52,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834814085] [2023-05-19 16:21:52,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 16:21:52,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 16:21:52,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:21:52,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 16:21:52,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 16:21:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:52,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:21:52,050 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) [2023-05-19 16:21:52,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:52,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:52,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 16:21:52,102 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)] === [2023-05-19 16:21:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1799731500, now seen corresponding path program 1 times [2023-05-19 16:21:52,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:52,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024287814] [2023-05-19 16:21:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:21:52,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:21:52,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024287814] [2023-05-19 16:21:52,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024287814] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:21:52,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275499040] [2023-05-19 16:21:52,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:52,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:21:52,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:52,270 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) [2023-05-19 16:21:52,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 16:21:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:52,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-19 16:21:52,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:21:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:21:52,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:21:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:21:52,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275499040] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:21:52,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:21:52,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-19 16:21:52,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816949313] [2023-05-19 16:21:52,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:21:52,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-19 16:21:52,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:21:52,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-19 16:21:52,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-05-19 16:21:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:52,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:21:52,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 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) [2023-05-19 16:21:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 16:21:52,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 16:21:52,834 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 [2023-05-19 16:21:52,834 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)] === [2023-05-19 16:21:52,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:52,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1583936142, now seen corresponding path program 2 times [2023-05-19 16:21:52,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:52,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945110191] [2023-05-19 16:21:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:52,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:53,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:21:53,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:21:53,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945110191] [2023-05-19 16:21:53,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945110191] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:21:53,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060084944] [2023-05-19 16:21:53,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 16:21:53,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:21:53,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:53,221 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) [2023-05-19 16:21:53,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 16:21:53,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 16:21:53,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 16:21:53,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-19 16:21:53,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:21:53,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 16:21:53,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2023-05-19 16:21:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:21:53,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:21:53,735 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:21:53,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2023-05-19 16:21:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:21:53,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060084944] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:21:53,828 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:21:53,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-05-19 16:21:53,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123696607] [2023-05-19 16:21:53,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:21:53,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-19 16:21:53,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:21:53,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-19 16:21:53,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2023-05-19 16:21:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:53,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:21:53,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 17 states have internal predecessors, (55), 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) [2023-05-19 16:21:53,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:53,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 16:21:53,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:54,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:54,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 16:21:54,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:54,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 16:21:54,560 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 [2023-05-19 16:21:54,561 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)] === [2023-05-19 16:21:54,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:54,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1314453742, now seen corresponding path program 1 times [2023-05-19 16:21:54,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:54,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224328273] [2023-05-19 16:21:54,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:54,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 16:21:54,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:21:54,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224328273] [2023-05-19 16:21:54,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224328273] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:21:54,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964536443] [2023-05-19 16:21:54,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:54,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:21:54,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:54,645 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) [2023-05-19 16:21:54,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 16:21:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:54,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-19 16:21:54,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:21:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 16:21:54,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:21:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 16:21:54,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964536443] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:21:54,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:21:54,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-19 16:21:54,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940638674] [2023-05-19 16:21:54,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:21:54,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 16:21:54,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:21:54,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 16:21:54,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-05-19 16:21:54,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:54,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:21:54,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2023-05-19 16:21:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 16:21:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 16:21:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 16:21:54,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-19 16:21:55,111 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 [2023-05-19 16:21:55,112 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)] === [2023-05-19 16:21:55,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:55,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1817542952, now seen corresponding path program 2 times [2023-05-19 16:21:55,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:55,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877604423] [2023-05-19 16:21:55,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:55,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:21:55,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:21:55,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877604423] [2023-05-19 16:21:55,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877604423] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:21:55,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154076180] [2023-05-19 16:21:55,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 16:21:55,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:21:55,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:55,247 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) [2023-05-19 16:21:55,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 16:21:55,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 16:21:55,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 16:21:55,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 16:21:55,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:21:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:21:55,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:21:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:21:55,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154076180] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:21:55,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:21:55,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 18 [2023-05-19 16:21:55,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119231903] [2023-05-19 16:21:55,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:21:55,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-19 16:21:55,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:21:55,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-19 16:21:55,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2023-05-19 16:21:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:55,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:21:55,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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) [2023-05-19 16:21:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 16:21:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 16:21:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 16:21:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-19 16:21:55,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 16:21:55,937 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 [2023-05-19 16:21:55,937 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)] === [2023-05-19 16:21:55,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:55,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1553239234, now seen corresponding path program 3 times [2023-05-19 16:21:55,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:55,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833424418] [2023-05-19 16:21:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:21:56,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:21:56,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833424418] [2023-05-19 16:21:56,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833424418] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:21:56,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66565545] [2023-05-19 16:21:56,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 16:21:56,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:21:56,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:56,117 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) [2023-05-19 16:21:56,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 16:21:56,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-19 16:21:56,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 16:21:56,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-19 16:21:56,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:21:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-19 16:21:56,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:21:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:21:56,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66565545] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:21:56,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:21:56,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 14] total 30 [2023-05-19 16:21:56,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831548587] [2023-05-19 16:21:56,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:21:56,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-19 16:21:56,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:21:56,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-19 16:21:56,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2023-05-19 16:21:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:56,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:21:56,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.2) internal successors, (96), 30 states have internal predecessors, (96), 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) [2023-05-19 16:21:56,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:56,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:56,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:56,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 16:21:56,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-19 16:21:56,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 16:21:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 16:21:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 16:21:57,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 16:21:57,251 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 [2023-05-19 16:21:57,251 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)] === [2023-05-19 16:21:57,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:57,252 INFO L85 PathProgramCache]: Analyzing trace with hash -404955304, now seen corresponding path program 4 times [2023-05-19 16:21:57,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:57,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562801542] [2023-05-19 16:21:57,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:21:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:21:57,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:21:57,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562801542] [2023-05-19 16:21:57,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562801542] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:21:57,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141298302] [2023-05-19 16:21:57,421 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 16:21:57,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:21:57,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:21:57,438 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) [2023-05-19 16:21:57,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 16:21:57,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 16:21:57,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 16:21:57,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 16:21:57,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:21:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:21:57,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:21:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:21:57,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141298302] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:21:57,892 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:21:57,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 19] total 35 [2023-05-19 16:21:57,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543710322] [2023-05-19 16:21:57,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:21:57,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-19 16:21:57,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:21:57,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-19 16:21:57,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=995, Unknown=0, NotChecked=0, Total=1190 [2023-05-19 16:21:57,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:57,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:21:57,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.942857142857143) internal successors, (103), 35 states have internal predecessors, (103), 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) [2023-05-19 16:21:57,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:57,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:57,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:57,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 16:21:57,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 16:21:57,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 16:21:57,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:21:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 16:21:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 16:21:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 16:21:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 16:21:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 16:21:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 16:21:59,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-19 16:21:59,213 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 [2023-05-19 16:21:59,213 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 16:21:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:21:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash -916678474, now seen corresponding path program 5 times [2023-05-19 16:21:59,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:21:59,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006887195] [2023-05-19 16:21:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:21:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:21:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-05-19 16:36:34,112 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 [2023-05-19 16:36:34,124 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 16:36:34,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-19 16:36:34,125 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-3-3-3-2-2-2-3-2-2-2-2-2-1 context. [2023-05-19 16:36:34,126 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 16:36:34,126 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 16:36:34,126 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 16:36:34,129 INFO L444 BasicCegarLoop]: Path program histogram: [5, 2, 1] [2023-05-19 16:36:34,131 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 16:36:34,131 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 16:36:34,133 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 04:36:34 BasicIcfg [2023-05-19 16:36:34,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 16:36:34,133 INFO L158 Benchmark]: Toolchain (without parser) took 882849.82ms. Allocated memory was 203.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 159.3MB in the beginning and 958.8MB in the end (delta: -799.4MB). Peak memory consumption was 733.9MB. Max. memory is 8.0GB. [2023-05-19 16:36:34,133 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 16:36:34,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.26ms. Allocated memory is still 203.4MB. Free memory was 159.2MB in the beginning and 157.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 16:36:34,134 INFO L158 Benchmark]: Boogie Preprocessor took 12.05ms. Allocated memory is still 203.4MB. Free memory was 157.7MB in the beginning and 156.7MB in the end (delta: 998.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 16:36:34,134 INFO L158 Benchmark]: RCFGBuilder took 222.90ms. Allocated memory is still 203.4MB. Free memory was 156.6MB in the beginning and 174.8MB in the end (delta: -18.2MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2023-05-19 16:36:34,134 INFO L158 Benchmark]: TraceAbstraction took 882586.58ms. Allocated memory was 203.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 173.5MB in the beginning and 958.8MB in the end (delta: -785.2MB). Peak memory consumption was 747.7MB. Max. memory is 8.0GB. [2023-05-19 16:36:34,135 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 0.11ms. Allocated memory is still 203.4MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.26ms. Allocated memory is still 203.4MB. Free memory was 159.2MB in the beginning and 157.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.05ms. Allocated memory is still 203.4MB. Free memory was 157.7MB in the beginning and 156.7MB in the end (delta: 998.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 222.90ms. Allocated memory is still 203.4MB. Free memory was 156.6MB in the beginning and 174.8MB in the end (delta: -18.2MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * TraceAbstraction took 882586.58ms. Allocated memory was 203.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 173.5MB in the beginning and 958.8MB in the end (delta: -785.2MB). Peak memory consumption was 747.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2234, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 505, dependent conditional: 505, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, 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: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, 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: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, 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: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, 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: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, 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: 368, independent: 368, independent conditional: 0, independent unconditional: 368, 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: 368, independent: 364, independent conditional: 0, independent unconditional: 364, 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: 63, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1729, independent: 1361, independent conditional: 0, independent unconditional: 1361, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 368, unknown conditional: 0, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 368, Positive conditional cache size: 0, Positive unconditional cache size: 368, 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: 505 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 91, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 399, independent: 399, independent conditional: 0, independent unconditional: 399, 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: 2234, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 505, dependent conditional: 505, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, 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: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, 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: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, 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: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, 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: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, 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: 368, independent: 368, independent conditional: 0, independent unconditional: 368, 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: 368, independent: 364, independent conditional: 0, independent unconditional: 364, 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: 63, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1729, independent: 1361, independent conditional: 0, independent unconditional: 1361, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 368, unknown conditional: 0, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 368, Positive conditional cache size: 0, Positive unconditional cache size: 368, 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: 505 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-3-3-3-2-2-2-3-2-2-2-2-2-1 context. - 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 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-3-3-3-2-2-2-3-2-2-2-2-2-1 context. - 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 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-3-3-3-2-2-2-3-2-2-2-2-2-1 context. - 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 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-3-3-3-2-2-2-3-2-2-2-2-2-1 context. - 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: 882.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 2.9s, 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: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 597 ConstructedInterpolants, 0 QuantifiedInterpolants, 3842 SizeOfPredicates, 38 NumberOfNonLiveVariables, 501 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 170/565 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 [2023-05-19 16:36:34,140 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown