/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp1x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 19:19:16,746 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 19:19:16,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 19:19:16,842 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 19:19:16,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 19:19:16,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 19:19:16,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 19:19:16,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 19:19:16,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 19:19:16,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 19:19:16,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 19:19:16,844 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 19:19:16,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 19:19:16,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 19:19:16,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 19:19:16,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 19:19:16,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 19:19:16,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 19:19:16,847 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 19:19:16,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 19:19:16,847 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 19:19:16,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-03 19:19:17,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 19:19:17,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 19:19:17,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 19:19:17,044 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 19:19:17,060 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 19:19:17,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp1x3.wvr.bpl [2023-05-03 19:19:17,061 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp1x3.wvr.bpl' [2023-05-03 19:19:17,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 19:19:17,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 19:19:17,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 19:19:17,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 19:19:17,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 19:19:17,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,105 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 19:19:17,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 19:19:17,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 19:19:17,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 19:19:17,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 19:19:17,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 19:19:17,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 19:19:17,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 19:19:17,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 19:19:17,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/1) ... [2023-05-03 19:19:17,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 19:19:17,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:17,166 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 19:19:17,171 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 19:19:17,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 19:19:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 19:19:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 19:19:17,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 19:19:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 19:19:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 19:19:17,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 19:19:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 19:19:17,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 19:19:17,201 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 19:19:17,235 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 19:19:17,237 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 19:19:17,310 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 19:19:17,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 19:19:17,320 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 19:19:17,322 INFO L202 PluginConnector]: Adding new model exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:19:17 BoogieIcfgContainer [2023-05-03 19:19:17,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 19:19:17,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 19:19:17,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 19:19:17,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 19:19:17,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 07:19:17" (1/2) ... [2023-05-03 19:19:17,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8727ba and model type exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 07:19:17, skipping insertion in model container [2023-05-03 19:19:17,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:19:17" (2/2) ... [2023-05-03 19:19:17,333 INFO L112 eAbstractionObserver]: Analyzing ICFG exp1x3.wvr.bpl [2023-05-03 19:19:17,339 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 19:19:17,346 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 19:19:17,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 19:19:17,346 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 19:19:17,385 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-03 19:19:17,421 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 19:19:17,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 19:19:17,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:17,457 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 19:19:17,458 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 19:19:17,489 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 19:19:17,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 19:19:17,516 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;@31bd7f28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 19:19:17,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-03 19:19:17,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:17,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:17,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1546913373, now seen corresponding path program 1 times [2023-05-03 19:19:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:17,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264463017] [2023-05-03 19:19:17,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 19:19:17,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:17,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264463017] [2023-05-03 19:19:17,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264463017] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:17,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950331566] [2023-05-03 19:19:17,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:17,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:17,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:18,000 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 19:19:18,001 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 19:19:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:18,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-03 19:19:18,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:18,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 19:19:18,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950331566] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:18,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:18,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 6 [2023-05-03 19:19:18,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751338753] [2023-05-03 19:19:18,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:18,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-03 19:19:18,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:18,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-03 19:19:18,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-03 19:19:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:18,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:18,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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 19:19:18,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:18,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 19:19:18,745 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,SelfDestructingSolverStorable0 [2023-05-03 19:19:18,745 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:18,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1079995559, now seen corresponding path program 2 times [2023-05-03 19:19:18,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:18,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319008352] [2023-05-03 19:19:18,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:18,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:18,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:18,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319008352] [2023-05-03 19:19:18,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319008352] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:18,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777162902] [2023-05-03 19:19:18,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 19:19:18,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:18,908 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 19:19:18,953 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 19:19:18,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 19:19:18,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:18,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-03 19:19:18,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 19:19:19,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 19:19:19,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777162902] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:19,131 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:19,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 5] total 15 [2023-05-03 19:19:19,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183283881] [2023-05-03 19:19:19,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:19,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-03 19:19:19,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:19,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-03 19:19:19,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-05-03 19:19:19,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:19,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:19,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 15 states have internal predecessors, (46), 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 19:19:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 19:19:19,441 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 19:19:19,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:19,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:19,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1283962083, now seen corresponding path program 3 times [2023-05-03 19:19:19,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:19,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663625836] [2023-05-03 19:19:19,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:19,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 19:19:19,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:19,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663625836] [2023-05-03 19:19:19,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663625836] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:19,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633231762] [2023-05-03 19:19:19,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 19:19:19,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:19,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:19,707 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 19:19:19,729 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 19:19:19,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-03 19:19:19,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:19,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-03 19:19:19,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:19,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 19:19:19,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633231762] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:19,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:19,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 5] total 10 [2023-05-03 19:19:19,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285565295] [2023-05-03 19:19:19,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:19,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-03 19:19:19,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:19,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-03 19:19:19,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-05-03 19:19:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:19,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:19,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 10 states have internal predecessors, (31), 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 19:19:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 19:19:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:20,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 19:19:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 19:19:20,072 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 19:19:20,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:20,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:20,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:20,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1620842775, now seen corresponding path program 4 times [2023-05-03 19:19:20,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:20,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865872196] [2023-05-03 19:19:20,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:20,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:20,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:20,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865872196] [2023-05-03 19:19:20,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865872196] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:20,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19458616] [2023-05-03 19:19:20,384 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 19:19:20,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:20,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:20,397 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 19:19:20,410 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 19:19:20,433 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 19:19:20,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:20,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-03 19:19:20,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:20,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 19:19:20,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19458616] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:20,811 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:20,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 6] total 28 [2023-05-03 19:19:20,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036740269] [2023-05-03 19:19:20,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:20,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-05-03 19:19:20,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:20,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-05-03 19:19:20,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2023-05-03 19:19:20,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:20,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:20,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 28 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 19:19:20,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:20,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 19:19:20,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 19:19:20,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:21,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:21,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 19:19:21,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:21,393 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:21,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:21,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1797209203, now seen corresponding path program 5 times [2023-05-03 19:19:21,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:21,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481166833] [2023-05-03 19:19:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:21,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 19:19:21,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:21,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481166833] [2023-05-03 19:19:21,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481166833] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:21,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232322265] [2023-05-03 19:19:21,525 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 19:19:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:21,526 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 19:19:21,549 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 19:19:21,550 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-03 19:19:21,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:21,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-03 19:19:21,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:21,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 19:19:21,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232322265] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:21,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:21,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 8] total 19 [2023-05-03 19:19:21,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532843191] [2023-05-03 19:19:21,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:21,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-03 19:19:21,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:21,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-03 19:19:21,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2023-05-03 19:19:21,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:21,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:21,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:19:21,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:21,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:21,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:21,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:21,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:22,338 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 19:19:22,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:22,520 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:22,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:22,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1866764799, now seen corresponding path program 6 times [2023-05-03 19:19:22,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:22,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852856035] [2023-05-03 19:19:22,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:22,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 11 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:22,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:22,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852856035] [2023-05-03 19:19:22,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852856035] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:22,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746612170] [2023-05-03 19:19:22,791 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 19:19:22,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:22,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:22,793 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 19:19:22,810 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 19:19:22,824 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-05-03 19:19:22,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:22,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-03 19:19:22,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 101 proven. 83 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 19:19:23,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-03 19:19:23,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746612170] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:23,776 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:23,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 10] total 49 [2023-05-03 19:19:23,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758302566] [2023-05-03 19:19:23,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:23,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-03 19:19:23,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:23,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-03 19:19:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=1990, Unknown=0, NotChecked=0, Total=2450 [2023-05-03 19:19:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:23,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:23,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.54) internal successors, (127), 49 states have internal predecessors, (127), 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 19:19:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 19:19:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-03 19:19:25,388 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 19:19:25,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:25,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:25,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:25,573 INFO L85 PathProgramCache]: Analyzing trace with hash -531230327, now seen corresponding path program 7 times [2023-05-03 19:19:25,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:25,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190868850] [2023-05-03 19:19:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:25,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 13 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:25,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:25,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190868850] [2023-05-03 19:19:25,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190868850] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:25,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542177035] [2023-05-03 19:19:25,892 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 19:19:25,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:25,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:25,909 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:19:25,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 19:19:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:25,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-03 19:19:25,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 186 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:26,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-03 19:19:27,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542177035] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:27,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:27,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 13] total 63 [2023-05-03 19:19:27,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739351831] [2023-05-03 19:19:27,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:27,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-03 19:19:27,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:27,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-03 19:19:27,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=3298, Unknown=0, NotChecked=0, Total=4032 [2023-05-03 19:19:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:27,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:27,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 2.421875) internal successors, (155), 63 states have internal predecessors, (155), 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 19:19:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 19:19:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 19:19:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-03 19:19:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:19:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:19:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 19:19:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 19:19:28,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 19:19:28,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-03 19:19:28,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:28,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:28,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1682143631, now seen corresponding path program 8 times [2023-05-03 19:19:28,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:28,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417117184] [2023-05-03 19:19:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-03 19:19:29,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:29,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417117184] [2023-05-03 19:19:29,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417117184] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:29,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242957428] [2023-05-03 19:19:29,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 19:19:29,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:29,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:29,251 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:19:29,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 19:19:29,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 19:19:29,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:29,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-05-03 19:19:29,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 14 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:30,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-03 19:19:30,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242957428] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:30,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:30,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 29, 15] total 40 [2023-05-03 19:19:30,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303978070] [2023-05-03 19:19:30,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:30,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-03 19:19:30,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:30,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-03 19:19:30,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1519, Unknown=0, NotChecked=0, Total=1640 [2023-05-03 19:19:30,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:30,242 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:30,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.5121951219512195) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 19:19:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 19:19:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:19:33,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-03 19:19:33,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:33,841 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:33,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:33,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1182110897, now seen corresponding path program 9 times [2023-05-03 19:19:33,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:33,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35447930] [2023-05-03 19:19:33,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:33,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 25 proven. 961 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:34,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:34,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35447930] [2023-05-03 19:19:34,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35447930] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:34,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708804601] [2023-05-03 19:19:34,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 19:19:34,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:34,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:34,744 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:19:34,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 19:19:34,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2023-05-03 19:19:34,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:34,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 47 conjunts are in the unsatisfiable core [2023-05-03 19:19:34,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 732 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:37,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 961 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-03 19:19:38,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708804601] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:38,446 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:38,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 21] total 111 [2023-05-03 19:19:38,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155772823] [2023-05-03 19:19:38,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:38,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2023-05-03 19:19:38,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:38,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2023-05-03 19:19:38,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2310, Invalid=10122, Unknown=0, NotChecked=0, Total=12432 [2023-05-03 19:19:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:38,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:38,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 2.3482142857142856) internal successors, (263), 111 states have internal predecessors, (263), 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 19:19:38,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:38,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:19:38,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:38,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:19:38,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:38,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-03 19:19:38,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 19:19:38,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:19:38,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:19:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:19:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-03 19:19:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 19:19:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:19:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-03 19:19:41,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-03 19:19:42,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-03 19:19:42,089 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:19:42,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:19:42,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2114619839, now seen corresponding path program 10 times [2023-05-03 19:19:42,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:19:42,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233390582] [2023-05-03 19:19:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:19:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:19:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:19:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-03 19:19:42,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:19:42,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233390582] [2023-05-03 19:19:42,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233390582] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:19:42,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606670718] [2023-05-03 19:19:42,763 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 19:19:42,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:19:42,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:19:42,785 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:19:42,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-03 19:19:42,878 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 19:19:42,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:19:42,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-03 19:19:42,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:19:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 26 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:19:44,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:19:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-03 19:19:45,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606670718] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:19:45,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:19:45,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 53, 27] total 76 [2023-05-03 19:19:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547670875] [2023-05-03 19:19:45,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:19:45,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-05-03 19:19:45,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:19:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-05-03 19:19:45,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5617, Unknown=0, NotChecked=0, Total=5852 [2023-05-03 19:19:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:19:45,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:19:45,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.4285714285714284) internal successors, (187), 76 states have internal predecessors, (187), 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 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-03 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 19:19:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:19:45,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-03 19:19:45,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:20:04,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:20:04,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-03 19:20:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-05-03 19:20:04,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-03 19:20:04,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-03 19:20:04,439 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 19:20:04,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 19:20:04,439 INFO L85 PathProgramCache]: Analyzing trace with hash -833395579, now seen corresponding path program 11 times [2023-05-03 19:20:04,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 19:20:04,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821204324] [2023-05-03 19:20:04,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 19:20:04,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 19:20:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 19:20:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3770 backedges. 49 proven. 3721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:20:07,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 19:20:07,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821204324] [2023-05-03 19:20:07,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821204324] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 19:20:07,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011331536] [2023-05-03 19:20:07,525 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 19:20:07,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 19:20:07,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 19:20:07,529 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 19:20:07,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-03 19:20:07,611 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2023-05-03 19:20:07,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 19:20:07,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 89 conjunts are in the unsatisfiable core [2023-05-03 19:20:07,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 19:20:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3770 backedges. 14 proven. 3756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 19:20:18,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 19:20:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3770 backedges. 1 proven. 3756 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-03 19:20:30,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011331536] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 19:20:30,401 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 19:20:30,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 89, 76] total 251 [2023-05-03 19:20:30,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706982745] [2023-05-03 19:20:30,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 19:20:30,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 252 states [2023-05-03 19:20:30,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 19:20:30,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 252 interpolants. [2023-05-03 19:20:30,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5219, Invalid=58033, Unknown=0, NotChecked=0, Total=63252 [2023-05-03 19:20:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 19:20:30,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 19:20:30,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 252 states, 252 states have (on average 2.0912698412698414) internal successors, (527), 251 states have internal predecessors, (527), 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 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2023-05-03 19:20:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-03 19:33:58,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-03 19:33:58,735 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 19:33:58,735 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 19:33:58,735 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 19:33:58,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-03 19:33:58,911 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 439 known predicates. [2023-05-03 19:33:58,913 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-03 19:33:58,913 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-03 19:33:58,913 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-03 19:33:58,916 INFO L444 BasicCegarLoop]: Path program histogram: [11] [2023-05-03 19:33:58,918 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 19:33:58,918 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 19:33:58,925 INFO L202 PluginConnector]: Adding new model exp1x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 07:33:58 BasicIcfg [2023-05-03 19:33:58,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 19:33:58,926 INFO L158 Benchmark]: Toolchain (without parser) took 881841.53ms. Allocated memory was 205.5MB in the beginning and 599.8MB in the end (delta: 394.3MB). Free memory was 165.6MB in the beginning and 395.2MB in the end (delta: -229.6MB). Peak memory consumption was 166.2MB. Max. memory is 8.0GB. [2023-05-03 19:33:58,926 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 205.5MB. Free memory is still 166.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 19:33:58,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.18ms. Allocated memory is still 205.5MB. Free memory was 165.5MB in the beginning and 164.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-03 19:33:58,926 INFO L158 Benchmark]: Boogie Preprocessor took 9.95ms. Allocated memory is still 205.5MB. Free memory was 164.0MB in the beginning and 163.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 19:33:58,926 INFO L158 Benchmark]: RCFGBuilder took 205.46ms. Allocated memory is still 205.5MB. Free memory was 163.0MB in the beginning and 153.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-03 19:33:58,926 INFO L158 Benchmark]: TraceAbstraction took 881599.19ms. Allocated memory was 205.5MB in the beginning and 599.8MB in the end (delta: 394.3MB). Free memory was 152.2MB in the beginning and 395.2MB in the end (delta: -243.0MB). Peak memory consumption was 151.5MB. Max. memory is 8.0GB. [2023-05-03 19:33:58,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 205.5MB. Free memory is still 166.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.18ms. Allocated memory is still 205.5MB. Free memory was 165.5MB in the beginning and 164.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.95ms. Allocated memory is still 205.5MB. Free memory was 164.0MB in the beginning and 163.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 205.46ms. Allocated memory is still 205.5MB. Free memory was 163.0MB in the beginning and 153.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 881599.19ms. Allocated memory was 205.5MB in the beginning and 599.8MB in the end (delta: 394.3MB). Free memory was 152.2MB in the beginning and 395.2MB in the end (delta: -243.0MB). Peak memory consumption was 151.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3345, independent: 2158, independent conditional: 2036, independent unconditional: 122, dependent: 1187, dependent conditional: 1187, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 2036, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 2036, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 0, independent unconditional: 2158, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 0, independent unconditional: 2158, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 0, independent unconditional: 2158, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2158, independent: 2045, independent conditional: 0, independent unconditional: 2045, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 113, Positive conditional cache size: 0, Positive unconditional cache size: 113, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1187 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 29, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3345, independent: 2158, independent conditional: 2036, independent unconditional: 122, dependent: 1187, dependent conditional: 1187, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 2036, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 2036, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 0, independent unconditional: 2158, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 0, independent unconditional: 2158, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2158, independent: 2158, independent conditional: 0, independent unconditional: 2158, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2158, independent: 2045, independent conditional: 0, independent unconditional: 2045, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 113, Positive conditional cache size: 0, Positive unconditional cache size: 113, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1187 - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 439 known predicates. - TimeoutResultAtElement [Line: 33]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 439 known predicates. - TimeoutResultAtElement [Line: 33]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 439 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 28 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 881.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 838.6s, 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: 711, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 39.2s InterpolantComputationTime, 1406 NumberOfCodeBlocks, 1406 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 2076 ConstructedInterpolants, 0 QuantifiedInterpolants, 17971 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1126 ConjunctsInSsa, 321 ConjunctsInUnsatCore, 33 InterpolantComputations, 0 PerfectInterpolantSequences, 1458/21261 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