/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/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 16:30:32,754 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 16:30:32,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 16:30:32,882 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 16:30:32,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 16:30:32,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 16:30:32,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 16:30:32,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 16:30:32,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 16:30:32,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 16:30:32,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 16:30:32,885 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 16:30:32,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 16:30:32,886 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 16:30:32,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 16:30:32,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 16:30:32,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 16:30:32,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 16:30:32,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 16:30:32,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 16:30:32,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 16:30:32,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 16:30:32,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 16:30:32,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 16:30:32,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 16:30:32,889 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 16:30:32,889 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 16:30:32,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 16:30:32,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 16:30:32,890 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 16:30:32,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 16:30:32,890 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 16:30:32,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-03 16:30:33,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 16:30:33,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 16:30:33,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 16:30:33,127 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 16:30:33,128 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 16:30:33,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2023-05-03 16:30:33,129 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2023-05-03 16:30:33,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 16:30:33,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 16:30:33,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 16:30:33,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 16:30:33,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 16:30:33,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,173 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 16:30:33,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 16:30:33,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 16:30:33,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 16:30:33,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 16:30:33,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 16:30:33,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 16:30:33,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 16:30:33,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 16:30:33,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/1) ... [2023-05-03 16:30:33,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 16:30:33,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:30:33,212 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 16:30:33,224 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 16:30:33,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 16:30:33,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 16:30:33,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 16:30:33,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 16:30:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 16:30:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 16:30:33,257 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 16:30:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 16:30:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 16:30:33,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 16:30:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 16:30:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 16:30:33,261 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 16:30:33,299 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 16:30:33,301 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 16:30:33,374 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 16:30:33,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 16:30:33,388 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 16:30:33,390 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:30:33 BoogieIcfgContainer [2023-05-03 16:30:33,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 16:30:33,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 16:30:33,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 16:30:33,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 16:30:33,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 04:30:33" (1/2) ... [2023-05-03 16:30:33,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6536c391 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:30:33, skipping insertion in model container [2023-05-03 16:30:33,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:30:33" (2/2) ... [2023-05-03 16:30:33,412 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2023-05-03 16:30:33,419 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 16:30:33,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 16:30:33,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 16:30:33,429 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 16:30:33,493 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 16:30:33,526 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 16:30:33,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 16:30:33,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:30:33,528 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 16:30:33,529 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 16:30:33,559 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 16:30:33,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 16:30:33,580 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;@d8e6048, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 16:30:33,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 16:30:33,673 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 16:30:33,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:33,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1347913613, now seen corresponding path program 1 times [2023-05-03 16:30:33,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:33,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294978355] [2023-05-03 16:30:33,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:33,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:33,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:33,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294978355] [2023-05-03 16:30:33,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294978355] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 16:30:33,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 16:30:33,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 16:30:33,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843269302] [2023-05-03 16:30:33,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 16:30:33,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 16:30:33,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:33,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 16:30:33,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 16:30:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:33,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:33,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 16:30:33,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:33,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:33,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 16:30:33,925 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 16:30:33,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1537661070, now seen corresponding path program 1 times [2023-05-03 16:30:33,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:33,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976198707] [2023-05-03 16:30:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:34,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:34,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976198707] [2023-05-03 16:30:34,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976198707] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 16:30:34,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 16:30:34,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 16:30:34,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866726896] [2023-05-03 16:30:34,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 16:30:34,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 16:30:34,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:34,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 16:30:34,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 16:30:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:34,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:34,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 16:30:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 16:30:34,061 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 16:30:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash 652077197, now seen corresponding path program 2 times [2023-05-03 16:30:34,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:34,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282527129] [2023-05-03 16:30:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:34,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:34,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:34,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282527129] [2023-05-03 16:30:34,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282527129] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 16:30:34,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 16:30:34,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 16:30:34,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905657603] [2023-05-03 16:30:34,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 16:30:34,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 16:30:34,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:34,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 16:30:34,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-03 16:30:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:34,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:34,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 16:30:34,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:34,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:34,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-03 16:30:34,327 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 16:30:34,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:34,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1707391959, now seen corresponding path program 1 times [2023-05-03 16:30:34,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:34,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688691104] [2023-05-03 16:30:34,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:34,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:34,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:34,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688691104] [2023-05-03 16:30:34,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688691104] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:30:34,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054881068] [2023-05-03 16:30:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:34,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:34,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:30:34,634 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 16:30:34,642 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 16:30:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:34,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-03 16:30:34,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:30:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 16:30:34,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-03 16:30:34,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054881068] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 16:30:34,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-03 16:30:34,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-05-03 16:30:34,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361707844] [2023-05-03 16:30:34,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 16:30:34,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 16:30:34,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:34,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 16:30:34,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-05-03 16:30:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:34,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:34,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 16:30:34,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:34,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:34,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:34,901 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 16:30:35,092 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,SelfDestructingSolverStorable3 [2023-05-03 16:30:35,093 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 16:30:35,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:35,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1435703879, now seen corresponding path program 2 times [2023-05-03 16:30:35,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:35,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205970328] [2023-05-03 16:30:35,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:35,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:35,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205970328] [2023-05-03 16:30:35,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205970328] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:30:35,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176686950] [2023-05-03 16:30:35,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 16:30:35,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:35,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:30:35,313 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 16:30:35,337 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 16:30:35,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 16:30:35,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:30:35,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-03 16:30:35,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:30:35,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-03 16:30:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:35,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:30:35,797 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:30:35,798 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 16 treesize of output 20 [2023-05-03 16:30:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:35,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176686950] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:30:35,893 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:30:35,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 24 [2023-05-03 16:30:35,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941385666] [2023-05-03 16:30:35,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:30:35,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-03 16:30:35,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:35,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-03 16:30:35,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2023-05-03 16:30:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:35,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:35,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 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 16:30:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:35,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:36,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:36,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 16:30:36,742 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 16:30:36,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:36,933 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 16:30:36,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:36,934 INFO L85 PathProgramCache]: Analyzing trace with hash -978049815, now seen corresponding path program 3 times [2023-05-03 16:30:36,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:36,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666953456] [2023-05-03 16:30:36,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:36,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 16:30:37,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:37,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666953456] [2023-05-03 16:30:37,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666953456] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:30:37,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503090256] [2023-05-03 16:30:37,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 16:30:37,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:37,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:30:37,261 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 16:30:37,286 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 16:30:37,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-03 16:30:37,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:30:37,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-03 16:30:37,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:30:37,557 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:30:37,557 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 25 treesize of output 13 [2023-05-03 16:30:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:37,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:30:37,810 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:30:37,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 53 [2023-05-03 16:30:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:37,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503090256] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:30:37,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:30:37,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 31 [2023-05-03 16:30:37,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115879742] [2023-05-03 16:30:37,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:30:37,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-03 16:30:37,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:37,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-03 16:30:37,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930 [2023-05-03 16:30:37,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:37,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:37,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 states have internal predecessors, (73), 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 16:30:38,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:38,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:38,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:38,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:38,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 16:30:38,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 16:30:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 16:30:39,344 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 16:30:39,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:39,540 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 16:30:39,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:39,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1117571762, now seen corresponding path program 4 times [2023-05-03 16:30:39,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:39,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100494022] [2023-05-03 16:30:39,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:39,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-03 16:30:39,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:39,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100494022] [2023-05-03 16:30:39,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100494022] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:30:39,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518309748] [2023-05-03 16:30:39,970 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 16:30:39,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:39,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:30:39,972 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 16:30:39,991 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 16:30:40,005 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 16:30:40,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:30:40,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-03 16:30:40,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:30:40,449 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:30:40,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 18 [2023-05-03 16:30:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:40,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:30:40,940 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:30:40,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 42 treesize of output 106 [2023-05-03 16:30:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:41,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518309748] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:30:41,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:30:41,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 18] total 44 [2023-05-03 16:30:41,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376267852] [2023-05-03 16:30:41,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:30:41,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-03 16:30:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:41,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-03 16:30:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=1612, Unknown=0, NotChecked=0, Total=1892 [2023-05-03 16:30:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:41,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:41,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.8863636363636365) internal successors, (83), 44 states have internal predecessors, (83), 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 16:30:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 16:30:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 16:30:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:30:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:30:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-03 16:30:45,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-03 16:30:45,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:45,997 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)] === [2023-05-03 16:30:45,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:30:45,997 INFO L85 PathProgramCache]: Analyzing trace with hash 916529912, now seen corresponding path program 5 times [2023-05-03 16:30:45,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:30:45,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008041346] [2023-05-03 16:30:45,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:30:45,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:30:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:30:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-05-03 16:30:46,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:30:46,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008041346] [2023-05-03 16:30:46,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008041346] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:30:46,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386771270] [2023-05-03 16:30:46,770 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 16:30:46,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:30:46,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:30:46,773 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 16:30:46,800 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 16:30:46,820 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-03 16:30:46,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:30:46,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-03 16:30:46,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:30:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,886 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:48,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,892 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,897 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 16:30:48,899 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:48,902 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 30 [2023-05-03 16:30:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:49,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:30:51,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,420 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,421 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,423 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,423 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,436 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,437 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 16:30:51,600 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:30:51,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 40 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 26 case distinctions, treesize of input 77 treesize of output 281 [2023-05-03 16:30:54,041 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,051 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,065 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,076 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,103 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,112 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,123 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,134 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,157 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-03 16:30:54,176 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,198 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,211 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,226 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,247 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-03 16:30:54,264 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,286 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,296 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,311 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,387 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,403 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,417 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,433 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,459 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,467 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,489 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,518 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,539 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,546 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,556 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,581 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,610 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,618 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,654 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,663 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,681 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,700 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,708 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-03 16:30:54,722 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,733 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,762 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,769 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,784 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,806 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,811 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-03 16:30:54,825 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-03 16:30:54,832 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,863 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,893 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:54,910 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:55,183 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:55,197 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:55,238 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-03 16:30:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 9 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:30:55,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386771270] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 16:30:55,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 16:30:55,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 31, 31] total 76 [2023-05-03 16:30:55,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211491276] [2023-05-03 16:30:55,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 16:30:55,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-03 16:30:55,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 16:30:55,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-03 16:30:55,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=5005, Unknown=0, NotChecked=0, Total=5700 [2023-05-03 16:30:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:30:55,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 16:30:55,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 1.881578947368421) internal successors, (143), 76 states have internal predecessors, (143), 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 16:30:55,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:55,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:30:55,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:30:55,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:30:55,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:30:55,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:30:55,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-03 16:30:55,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 16:31:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:31:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 16:31:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-03 16:31:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 16:31:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 16:31:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 16:31:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-03 16:31:02,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-03 16:31:02,035 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 16:31:02,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:31:02,218 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 16:31:02,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 16:31:02,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1224839971, now seen corresponding path program 6 times [2023-05-03 16:31:02,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 16:31:02,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120978045] [2023-05-03 16:31:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 16:31:02,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 16:31:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 16:31:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-05-03 16:31:03,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 16:31:03,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120978045] [2023-05-03 16:31:03,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120978045] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 16:31:03,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146105070] [2023-05-03 16:31:03,344 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 16:31:03,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:31:03,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 16:31:03,345 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 16:31:03,374 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 16:31:03,400 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-03 16:31:03,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 16:31:03,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-03 16:31:03,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 16:31:05,518 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:31:05,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 38 [2023-05-03 16:31:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 16:31:05,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 16:31:08,056 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 16:31:08,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 107 treesize of output 671 Received shutdown request... [2023-05-03 16:44:15,994 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-03 16:44:15,994 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 16:44:15,995 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 16:44:15,997 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 16:44:16,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 16:44:16,014 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 16:44:16,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 16:44:16,198 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 68 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-6-1 context. [2023-05-03 16:44:16,199 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 16:44:16,199 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 16:44:16,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 16:44:16,205 INFO L444 BasicCegarLoop]: Path program histogram: [6, 2, 1] [2023-05-03 16:44:16,212 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 16:44:16,213 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 16:44:16,215 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 04:44:16 BasicIcfg [2023-05-03 16:44:16,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 16:44:16,216 INFO L158 Benchmark]: Toolchain (without parser) took 823064.04ms. Allocated memory was 127.9MB in the beginning and 638.6MB in the end (delta: 510.7MB). Free memory was 89.1MB in the beginning and 518.9MB in the end (delta: -429.8MB). Peak memory consumption was 390.0MB. Max. memory is 8.0GB. [2023-05-03 16:44:16,216 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 16:44:16,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.36ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 16:44:16,217 INFO L158 Benchmark]: Boogie Preprocessor took 14.02ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 16:44:16,217 INFO L158 Benchmark]: RCFGBuilder took 201.07ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 86.4MB in the beginning and 150.1MB in the end (delta: -63.7MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2023-05-03 16:44:16,218 INFO L158 Benchmark]: TraceAbstraction took 822822.93ms. Allocated memory was 176.2MB in the beginning and 638.6MB in the end (delta: 462.4MB). Free memory was 148.9MB in the beginning and 518.9MB in the end (delta: -370.0MB). Peak memory consumption was 400.1MB. Max. memory is 8.0GB. [2023-05-03 16:44:16,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.36ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.02ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 201.07ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 86.4MB in the beginning and 150.1MB in the end (delta: -63.7MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * TraceAbstraction took 822822.93ms. Allocated memory was 176.2MB in the beginning and 638.6MB in the end (delta: 462.4MB). Free memory was 148.9MB in the beginning and 518.9MB in the end (delta: -370.0MB). Peak memory consumption was 400.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2933, independent: 2140, independent conditional: 1735, independent unconditional: 405, dependent: 793, dependent conditional: 786, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2237, independent: 2140, independent conditional: 1735, independent unconditional: 405, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2237, independent: 2140, independent conditional: 1735, independent unconditional: 405, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2959, independent: 2140, independent conditional: 224, independent unconditional: 1916, dependent: 819, dependent conditional: 498, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2959, independent: 2140, independent conditional: 224, independent unconditional: 1916, dependent: 819, dependent conditional: 196, dependent unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2959, independent: 2140, independent conditional: 224, independent unconditional: 1916, dependent: 819, dependent conditional: 196, dependent unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 475, independent conditional: 131, independent unconditional: 344, dependent: 92, dependent conditional: 82, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 567, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 226, dependent conditional: 0, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 226, independent: 134, independent conditional: 131, independent unconditional: 3, dependent: 92, dependent conditional: 82, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 226, independent: 134, independent conditional: 131, independent unconditional: 3, dependent: 92, dependent conditional: 82, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 505, independent: 258, independent conditional: 246, independent unconditional: 11, dependent: 248, dependent conditional: 196, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2959, independent: 1665, independent conditional: 93, independent unconditional: 1572, dependent: 727, dependent conditional: 114, dependent unconditional: 613, unknown: 567, unknown conditional: 213, unknown unconditional: 354] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 475, Positive conditional cache size: 131, Positive unconditional cache size: 344, Negative cache size: 92, Negative conditional cache size: 82, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 302, Maximal queried relation: 7, Independence queries for same thread: 696 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 111, Number of trivial persistent sets: 66, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 412, independent: 405, independent conditional: 0, independent unconditional: 405, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2933, independent: 2140, independent conditional: 1735, independent unconditional: 405, dependent: 793, dependent conditional: 786, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2237, independent: 2140, independent conditional: 1735, independent unconditional: 405, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2237, independent: 2140, independent conditional: 1735, independent unconditional: 405, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2959, independent: 2140, independent conditional: 224, independent unconditional: 1916, dependent: 819, dependent conditional: 498, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2959, independent: 2140, independent conditional: 224, independent unconditional: 1916, dependent: 819, dependent conditional: 196, dependent unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2959, independent: 2140, independent conditional: 224, independent unconditional: 1916, dependent: 819, dependent conditional: 196, dependent unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 475, independent conditional: 131, independent unconditional: 344, dependent: 92, dependent conditional: 82, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 567, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 226, dependent conditional: 0, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 226, independent: 134, independent conditional: 131, independent unconditional: 3, dependent: 92, dependent conditional: 82, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 226, independent: 134, independent conditional: 131, independent unconditional: 3, dependent: 92, dependent conditional: 82, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 505, independent: 258, independent conditional: 246, independent unconditional: 11, dependent: 248, dependent conditional: 196, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2959, independent: 1665, independent conditional: 93, independent unconditional: 1572, dependent: 727, dependent conditional: 114, dependent unconditional: 613, unknown: 567, unknown conditional: 213, unknown unconditional: 354] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 475, Positive conditional cache size: 131, Positive unconditional cache size: 344, Negative cache size: 92, Negative conditional cache size: 82, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 302, Maximal queried relation: 7, Independence queries for same thread: 696 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 68 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-6-1 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 68 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-6-1 context. - TimeoutResultAtElement [Line: 57]: 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 68 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-6-1 context. - TimeoutResultAtElement [Line: 57]: 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 68 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-6-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 822.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 13.4s, 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: 236, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 579 ConstructedInterpolants, 37 QuantifiedInterpolants, 7244 SizeOfPredicates, 53 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 70/565 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown