/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 true -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 10:39:27,744 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 10:39:27,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 10:39:27,853 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 10:39:27,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 10:39:27,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 10:39:27,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 10:39:27,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 10:39:27,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 10:39:27,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 10:39:27,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 10:39:27,855 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 10:39:27,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 10:39:27,855 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 10:39:27,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 10:39:27,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 10:39:27,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 10:39:27,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 10:39:27,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 10:39:27,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 10:39:27,856 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 10:39:27,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 10:39:27,856 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 10:39:27,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 10:39:27,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 10:39:27,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 10:39:27,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 10:39:27,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 10:39:27,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 10:39:27,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 10:39:27,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 10:39:27,858 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 10:39:27,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 10:39:28,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 10:39:28,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 10:39:28,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 10:39:28,113 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 10:39:28,114 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 10:39:28,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2023-05-19 10:39:28,116 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2023-05-19 10:39:28,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 10:39:28,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 10:39:28,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 10:39:28,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 10:39:28,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 10:39:28,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,163 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 10:39:28,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 10:39:28,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 10:39:28,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 10:39:28,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 10:39:28,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,185 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 10:39:28,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 10:39:28,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 10:39:28,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 10:39:28,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/1) ... [2023-05-19 10:39:28,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 10:39:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:28,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 10:39:28,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 10:39:28,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 10:39:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 10:39:28,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 10:39:28,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 10:39:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 10:39:28,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 10:39:28,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 10:39:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 10:39:28,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 10:39:28,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 10:39:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 10:39:28,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 10:39:28,257 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 10:39:28,303 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 10:39:28,305 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 10:39:28,382 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 10:39:28,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 10:39:28,398 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 10:39:28,399 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 10:39:28 BoogieIcfgContainer [2023-05-19 10:39:28,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 10:39:28,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 10:39:28,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 10:39:28,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 10:39:28,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 10:39:28" (1/2) ... [2023-05-19 10:39:28,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617e2a3b and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 10:39:28, skipping insertion in model container [2023-05-19 10:39:28,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 10:39:28" (2/2) ... [2023-05-19 10:39:28,413 INFO L112 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2023-05-19 10:39:28,419 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 10:39:28,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 10:39:28,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 10:39:28,428 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 10:39:28,477 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 10:39:28,509 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 10:39:28,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 10:39:28,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:28,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 10:39:28,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 10:39:28,544 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 10:39:28,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 10:39:28,571 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;@68dac067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 10:39:28,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 10:39:28,737 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:28,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2120686539, now seen corresponding path program 1 times [2023-05-19 10:39:28,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:28,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473772391] [2023-05-19 10:39:28,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 10:39:29,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:29,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473772391] [2023-05-19 10:39:29,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473772391] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 10:39:29,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 10:39:29,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 10:39:29,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722574683] [2023-05-19 10:39:29,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 10:39:29,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 10:39:29,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:29,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 10:39:29,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 10:39:29,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:29,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:29,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:29,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:29,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 10:39:29,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 10:39:29,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:29,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:29,127 INFO L85 PathProgramCache]: Analyzing trace with hash 2133420405, now seen corresponding path program 1 times [2023-05-19 10:39:29,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:29,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67869219] [2023-05-19 10:39:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:29,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:29,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:29,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67869219] [2023-05-19 10:39:29,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67869219] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 10:39:29,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 10:39:29,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 10:39:29,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102035796] [2023-05-19 10:39:29,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 10:39:29,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 10:39:29,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:29,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 10:39:29,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 10:39:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:29,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:29,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:29,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 10:39:29,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 10:39:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:29,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 10:39:29,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:29,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:29,502 INFO L85 PathProgramCache]: Analyzing trace with hash 824392042, now seen corresponding path program 1 times [2023-05-19 10:39:29,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:29,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136498675] [2023-05-19 10:39:29,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:29,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:29,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:29,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136498675] [2023-05-19 10:39:29,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136498675] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 10:39:29,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 10:39:29,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 10:39:29,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928954133] [2023-05-19 10:39:29,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 10:39:29,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 10:39:29,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:29,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 10:39:29,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 10:39:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:29,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:29,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:29,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 10:39:29,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:29,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:29,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:29,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:29,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:29,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 10:39:29,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:29,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1096640215, now seen corresponding path program 1 times [2023-05-19 10:39:29,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:29,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971184660] [2023-05-19 10:39:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:29,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 10:39:29,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:29,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971184660] [2023-05-19 10:39:29,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971184660] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:29,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384502023] [2023-05-19 10:39:29,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:29,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:29,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:29,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:39:29,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 10:39:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:29,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-19 10:39:29,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 10:39:29,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 10:39:29,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384502023] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:39:29,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:39:29,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2023-05-19 10:39:29,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27201884] [2023-05-19 10:39:29,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:39:29,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 10:39:29,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:29,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 10:39:29,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-05-19 10:39:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:29,944 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:29,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:29,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:29,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:29,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:29,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:30,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 10:39:30,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-19 10:39:30,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:30,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:30,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1763360437, now seen corresponding path program 1 times [2023-05-19 10:39:30,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:30,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482333590] [2023-05-19 10:39:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 10:39:30,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:30,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482333590] [2023-05-19 10:39:30,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482333590] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:30,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818027453] [2023-05-19 10:39:30,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:30,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:30,342 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:39:30,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 10:39:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:30,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-19 10:39:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 10:39:30,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 10:39:30,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818027453] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:39:30,465 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:39:30,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 5 [2023-05-19 10:39:30,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348648111] [2023-05-19 10:39:30,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:39:30,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 10:39:30,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:30,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 10:39:30,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-19 10:39:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:30,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:30,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:30,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:30,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 10:39:30,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:30,777 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:30,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash -749497099, now seen corresponding path program 2 times [2023-05-19 10:39:30,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:30,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839353896] [2023-05-19 10:39:30,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:30,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:30,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:30,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839353896] [2023-05-19 10:39:30,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839353896] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:30,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430689914] [2023-05-19 10:39:30,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 10:39:30,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:30,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:30,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:39:30,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 10:39:30,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 10:39:30,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:39:30,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-19 10:39:30,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:30,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:31,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430689914] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:39:31,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:39:31,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2023-05-19 10:39:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572834883] [2023-05-19 10:39:31,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:39:31,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-19 10:39:31,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:31,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-19 10:39:31,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-05-19 10:39:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:31,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:31,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:31,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:31,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:31,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:31,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:31,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:31,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-19 10:39:31,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-19 10:39:31,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:31,413 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:31,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:31,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1575347449, now seen corresponding path program 3 times [2023-05-19 10:39:31,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:31,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098122199] [2023-05-19 10:39:31,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:31,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:31,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:31,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:31,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098122199] [2023-05-19 10:39:31,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098122199] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:31,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297752945] [2023-05-19 10:39:31,590 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 10:39:31,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:31,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:31,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:39:31,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 10:39:31,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-19 10:39:31,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:39:31,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-19 10:39:31,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:31,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2023-05-19 10:39:31,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2023-05-19 10:39:31,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-19 10:39:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:31,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:32,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2023-05-19 10:39:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:32,105 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:39:32,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2023-05-19 10:39:32,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-05-19 10:39:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:32,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297752945] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:39:32,196 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:39:32,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-05-19 10:39:32,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739638144] [2023-05-19 10:39:32,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:39:32,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 10:39:32,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 10:39:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-05-19 10:39:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:32,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:32,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-19 10:39:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 10:39:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 10:39:32,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 10:39:32,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:32,951 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:32,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:32,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1263849103, now seen corresponding path program 4 times [2023-05-19 10:39:32,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:32,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252515632] [2023-05-19 10:39:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:32,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 10:39:33,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:33,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252515632] [2023-05-19 10:39:33,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252515632] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:33,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862368082] [2023-05-19 10:39:33,016 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 10:39:33,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:33,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:33,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:39:33,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 10:39:33,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 10:39:33,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:39:33,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-19 10:39:33,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 10:39:33,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 10:39:33,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862368082] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:39:33,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:39:33,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2023-05-19 10:39:33,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344116332] [2023-05-19 10:39:33,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:39:33,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 10:39:33,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:33,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 10:39:33,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-05-19 10:39:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:33,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:33,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 10:39:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:39:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-19 10:39:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:39:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 10:39:33,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 10:39:33,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:33,853 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:33,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:33,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1910900524, now seen corresponding path program 1 times [2023-05-19 10:39:33,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:33,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831600204] [2023-05-19 10:39:33,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:33,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 121 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-19 10:39:33,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:33,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831600204] [2023-05-19 10:39:33,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831600204] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:33,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556519081] [2023-05-19 10:39:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:33,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:33,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:33,982 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 10:39:34,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 10:39:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:34,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 10:39:34,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 121 proven. 14 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-05-19 10:39:34,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:34,133 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 121 proven. 14 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-05-19 10:39:34,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556519081] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:39:34,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:39:34,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2023-05-19 10:39:34,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906071361] [2023-05-19 10:39:34,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:39:34,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-19 10:39:34,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:34,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-19 10:39:34,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-05-19 10:39:34,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:34,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:34,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:34,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:34,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:34,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:34,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:39:34,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:34,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-19 10:39:34,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:39:34,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 10:39:34,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 10:39:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 10:39:34,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 10:39:34,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:34,536 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:34,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:34,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1304141423, now seen corresponding path program 2 times [2023-05-19 10:39:34,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:34,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834687021] [2023-05-19 10:39:34,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:34,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 99 proven. 193 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-19 10:39:34,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:34,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834687021] [2023-05-19 10:39:34,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834687021] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:34,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376647157] [2023-05-19 10:39:34,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 10:39:34,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:34,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:34,757 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) [2023-05-19 10:39:34,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 10:39:34,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 10:39:34,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:39:34,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-19 10:39:34,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 173 proven. 69 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-05-19 10:39:34,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 173 proven. 69 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-05-19 10:39:35,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376647157] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:39:35,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:39:35,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 15 [2023-05-19 10:39:35,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252660942] [2023-05-19 10:39:35,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:39:35,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 10:39:35,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:39:35,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 10:39:35,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-05-19 10:39:35,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:35,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:39:35,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.375) internal successors, (86), 15 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:39:35,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:35,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:35,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:35,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:39:35,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:35,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-19 10:39:35,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:39:35,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 10:39:35,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 10:39:35,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 10:39:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-19 10:39:35,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 10:39:35,938 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,SelfDestructingSolverStorable9 [2023-05-19 10:39:35,938 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 10:39:35,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 10:39:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash -505855515, now seen corresponding path program 3 times [2023-05-19 10:39:35,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 10:39:35,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511276947] [2023-05-19 10:39:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 10:39:35,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 10:39:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 10:39:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-19 10:39:37,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 10:39:37,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511276947] [2023-05-19 10:39:37,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511276947] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 10:39:37,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696932577] [2023-05-19 10:39:37,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 10:39:37,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:39:37,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 10:39:37,336 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) [2023-05-19 10:39:37,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 10:39:37,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-19 10:39:37,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 10:39:37,398 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 78 conjunts are in the unsatisfiable core [2023-05-19 10:39:37,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 10:39:37,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-05-19 10:39:37,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:37,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2023-05-19 10:39:38,036 INFO L356 Elim1Store]: treesize reduction 58, result has 39.6 percent of original size [2023-05-19 10:39:38,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 70 [2023-05-19 10:39:39,332 INFO L356 Elim1Store]: treesize reduction 128, result has 28.5 percent of original size [2023-05-19 10:39:39,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 106 treesize of output 136 [2023-05-19 10:39:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:40,589 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:39:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:40,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:39:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:40,628 INFO L356 Elim1Store]: treesize reduction 84, result has 11.6 percent of original size [2023-05-19 10:39:40,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 77 treesize of output 83 [2023-05-19 10:39:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:40,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:39:40,723 INFO L356 Elim1Store]: treesize reduction 48, result has 50.5 percent of original size [2023-05-19 10:39:40,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 94 treesize of output 112 [2023-05-19 10:39:41,065 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:39:41,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 74 treesize of output 162 [2023-05-19 10:39:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 10:39:42,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 10:39:53,863 WARN L233 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 10:42:30,780 WARN L233 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 10:43:51,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:51,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:51,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:51,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:51,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:51,587 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:43:51,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1832 treesize of output 1808 [2023-05-19 10:43:53,669 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,671 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:53,673 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:53,679 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,679 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:53,702 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:43:53,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1814 treesize of output 1790 [2023-05-19 10:43:57,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 11 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 9 [2023-05-19 10:43:57,117 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,118 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,118 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,123 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,123 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,128 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,130 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,152 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 10:43:57,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 18 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 38 [2023-05-19 10:43:57,171 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,172 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,172 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,173 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,178 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 7 [2023-05-19 10:43:57,202 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,203 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,204 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,205 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,215 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,215 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,217 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 9 [2023-05-19 10:43:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,233 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 10:43:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 10:43:57,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 8 [2023-05-19 10:43:57,245 WARN L234 Elim1Store]: Array PQE input equivalent to true [2023-05-19 10:43:57,250 WARN L234 Elim1Store]: Array PQE input equivalent to true [2023-05-19 10:43:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 137 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 10:43:57,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696932577] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 10:43:57,314 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 10:43:57,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 25] total 61 [2023-05-19 10:43:57,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807974349] [2023-05-19 10:43:57,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 10:43:57,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-05-19 10:43:57,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 10:43:57,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-05-19 10:43:57,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=3283, Unknown=65, NotChecked=0, Total=3782 [2023-05-19 10:43:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:43:57,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 10:43:57,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.5161290322580645) internal successors, (156), 61 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-19 10:43:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 10:45:07,932 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_l 1))) (let ((.cse4 (select c_A 1)) (.cse15 (+ c_i c_asum)) (.cse14 (+ (select c_C c_l) c_csum)) (.cse13 (< c_i .cse0)) (.cse11 (select c_A c_i)) (.cse12 (select c_A (+ c_i 1))) (.cse8 (+ 2 c_l)) (.cse3 (select c_C 1)) (.cse1 (select c_A 0)) (.cse2 (select c_C (+ (- 1) c_l))) (.cse18 (< c_k c_N)) (.cse17 (+ c_N c_asum 1)) (.cse16 (+ c_N c_asum))) (and (<= c_i .cse0) (or (not (= 2 c_l)) (= (+ 2 (* 2 .cse1) .cse2) c_csum)) (= .cse3 (+ .cse4 1)) (<= c_i c_k) (let ((.cse5 (+ (- 1) c_k))) (= (+ (select c_A .cse5) 1) (select c_C .cse5))) (or (= (+ c_k 1) c_l) (= (+ .cse1 .cse2 1 (select c_C (+ (- 2) c_l))) c_csum)) (< c_l (+ c_p 1)) (= (+ .cse4 (select c_A 3) .cse1 (select c_A 2)) c_asum) (= (select c_C 0) (+ .cse1 1)) (or (forall ((k Int)) (let ((.cse10 (+ k 1))) (or (< (let ((.cse9 (store c_C k (+ (select c_A k) 1)))) (let ((.cse6 (store .cse9 .cse10 (+ (select c_A .cse10) 1)))) (+ (select .cse6 .cse0) (select (let ((.cse7 (+ 2 k))) (store .cse6 .cse7 (+ (select c_A .cse7) 1))) .cse8) (select .cse9 c_l) c_csum))) (+ .cse11 .cse12 c_asum c_l 4)) (< c_l k) (< .cse10 c_i)))) .cse13) (<= .cse14 .cse15) (<= .cse15 .cse14) (or (and (<= .cse16 .cse14) (< .cse14 .cse17)) .cse18) (< c_i c_N) (or .cse13 (forall ((k Int)) (let ((.cse22 (+ k 1))) (or (< (+ .cse11 .cse12 2 k c_asum) (let ((.cse21 (store c_C k (+ (select c_A k) 1)))) (let ((.cse19 (store .cse21 .cse22 (+ (select c_A .cse22) 1)))) (+ (select .cse19 .cse0) (select (let ((.cse20 (+ 2 k))) (store .cse19 .cse20 (+ (select c_A .cse20) 1))) .cse8) (select .cse21 c_l) c_csum)))) (< c_l k) (< .cse22 c_i))))) (<= .cse0 c_i) (or (not (= 3 c_l)) (= (+ .cse3 .cse1 .cse2 1) c_csum)) (= c_i 4) (or .cse18 (and (< c_csum .cse17) (<= .cse16 c_csum))) (<= c_k c_i)))) is different from false [2023-05-19 10:47:36,167 WARN L233 SmtUtils]: Spent 1.77m on a formula simplification. DAG size of input: 108 DAG size of output: 82 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 10:47:39,281 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse10 (store c_C c_k (+ (select c_A c_k) 1))) (.cse43 (+ c_k 1)) (.cse20 (+ c_i 1))) (let ((.cse3 (select c_A c_i)) (.cse4 (select c_A .cse20)) (.cse25 (store .cse10 .cse43 (+ (select c_A .cse43) 1))) (.cse28 (+ c_l 1)) (.cse13 (select .cse10 c_l))) (let ((.cse16 (< (+ 2 c_k) c_N)) (.cse2 (+ (select .cse25 .cse28) c_csum .cse13)) (.cse6 (< c_l c_k)) (.cse5 (+ .cse3 .cse4 c_asum c_k 1)) (.cse1 (< c_k c_i)) (.cse23 (+ .cse3 .cse4 c_asum c_l 4)) (.cse21 (< c_i .cse28)) (.cse26 (+ 2 c_l)) (.cse8 (select c_A (+ 2 c_i))) (.cse15 (not (< .cse28 c_N))) (.cse17 (+ c_N c_asum)) (.cse18 (+ c_N c_asum 1)) (.cse24 (select .cse10 .cse28)) (.cse27 (select c_C c_l)) (.cse19 (< c_i c_N))) (and (or (< c_l c_p) (let ((.cse0 (< c_i c_l))) (and (or .cse0 .cse1 (< .cse2 (+ .cse3 .cse4 3 c_asum c_l))) (or .cse0 .cse1 (< .cse5 .cse2)))) .cse6) (forall ((v_subst_2 Int)) (let ((.cse7 (+ v_subst_2 1))) (or (forall ((v_subst_4 Int)) (or (< .cse7 v_subst_4) (< (+ .cse3 .cse4 .cse8 2 c_asum v_subst_4) (let ((.cse12 (store .cse10 v_subst_4 (+ (select c_A v_subst_4) 1)))) (let ((.cse9 (let ((.cse14 (+ v_subst_4 1))) (store .cse12 .cse14 (+ (select c_A .cse14) 1))))) (+ (select .cse9 (+ 2 v_subst_2)) (select .cse10 v_subst_2) (select (let ((.cse11 (+ 2 v_subst_4))) (store .cse9 .cse11 (+ (select c_A .cse11) 1))) (+ 3 v_subst_2)) c_csum (select .cse12 .cse7) .cse13)))) (< v_subst_4 c_i))) (< c_i .cse7)))) (or .cse15 .cse16 (and (<= .cse17 .cse2) (< .cse2 .cse18)) .cse19 .cse6) (or .cse15 .cse16 (and (< .cse2 (+ .cse3 c_N c_asum 1)) (<= (+ .cse3 c_N c_asum) .cse2)) (< .cse20 c_N) .cse6) (or (let ((.cse22 (+ .cse24 (select .cse25 .cse26) .cse27 c_csum))) (and (or .cse1 .cse21 (< .cse5 .cse22)) (or .cse1 .cse21 (< .cse22 .cse23)))) (< .cse28 c_k)) (or (forall ((k Int)) (let ((.cse32 (+ k 1))) (or (< (let ((.cse31 (store c_C k (+ (select c_A k) 1)))) (let ((.cse29 (store .cse31 .cse32 (+ (select c_A .cse32) 1)))) (+ (select .cse29 .cse28) (select (let ((.cse30 (+ 2 k))) (store .cse29 .cse30 (+ (select c_A .cse30) 1))) .cse26) (select .cse31 c_l) c_csum))) .cse23) (< c_l k) (< .cse32 c_i)))) .cse21) (or .cse21 (forall ((k Int)) (let ((.cse36 (+ k 1))) (or (< (+ .cse3 .cse4 2 k c_asum) (let ((.cse35 (store c_C k (+ (select c_A k) 1)))) (let ((.cse33 (store .cse35 .cse36 (+ (select c_A .cse36) 1)))) (+ (select .cse33 .cse28) (select (let ((.cse34 (+ 2 k))) (store .cse33 .cse34 (+ (select c_A .cse34) 1))) .cse26) (select .cse35 c_l) c_csum)))) (< c_l k) (< .cse36 c_i))))) (forall ((v_subst_1 Int)) (let ((.cse37 (+ v_subst_1 1))) (or (forall ((v_subst_3 Int)) (or (< .cse37 v_subst_3) (< (let ((.cse40 (store .cse10 v_subst_3 (+ (select c_A v_subst_3) 1)))) (let ((.cse38 (let ((.cse41 (+ v_subst_3 1))) (store .cse40 .cse41 (+ (select c_A .cse41) 1))))) (+ (select (let ((.cse39 (+ 2 v_subst_3))) (store .cse38 .cse39 (+ (select c_A .cse39) 1))) (+ 3 v_subst_1)) (select .cse10 v_subst_1) (select .cse40 .cse37) c_csum (select .cse38 (+ 2 v_subst_1)) .cse13))) (+ .cse3 .cse4 .cse8 5 c_asum v_subst_1)) (< v_subst_3 c_i))) (< c_i .cse37)))) (or .cse15 (let ((.cse42 (+ .cse24 .cse27 c_csum))) (and (<= .cse17 .cse42) (< .cse42 .cse18))) (< .cse28 c_p) (< .cse43 c_N) .cse19))))) is different from false [2023-05-19 10:49:38,947 WARN L233 SmtUtils]: Spent 32.35s on a formula simplification that was a NOOP. DAG size: 108 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 10:49:40,996 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse13 (+ c_i 1)) (.cse5 (store c_C c_k (+ (select c_A c_k) 1))) (.cse10 (+ c_l 1))) (let ((.cse19 (< c_i .cse10)) (.cse16 (+ 2 c_l)) (.cse8 (select .cse5 c_l)) (.cse1 (select c_A c_i)) (.cse2 (select c_A .cse13)) (.cse3 (select c_A (+ 2 c_i)))) (and (forall ((v_subst_2 Int)) (let ((.cse0 (+ v_subst_2 1))) (or (forall ((v_subst_4 Int)) (or (< .cse0 v_subst_4) (< (+ .cse1 .cse2 .cse3 2 c_asum v_subst_4) (let ((.cse7 (store .cse5 v_subst_4 (+ (select c_A v_subst_4) 1)))) (let ((.cse4 (let ((.cse9 (+ v_subst_4 1))) (store .cse7 .cse9 (+ (select c_A .cse9) 1))))) (+ (select .cse4 (+ 2 v_subst_2)) (select .cse5 v_subst_2) (select (let ((.cse6 (+ 2 v_subst_4))) (store .cse4 .cse6 (+ (select c_A .cse6) 1))) (+ 3 v_subst_2)) c_csum (select .cse7 .cse0) .cse8)))) (< v_subst_4 c_i))) (< c_i .cse0)))) (or (not (< .cse10 c_N)) (< (+ 2 c_k) c_N) (let ((.cse11 (+ (select (let ((.cse12 (+ c_k 1))) (store .cse5 .cse12 (+ (select c_A .cse12) 1))) .cse10) c_csum .cse8))) (and (< .cse11 (+ .cse1 c_N c_asum 1)) (<= (+ .cse1 c_N c_asum) .cse11))) (< .cse13 c_N) (< c_l c_k)) (or (forall ((k Int)) (let ((.cse18 (+ k 1))) (or (< (let ((.cse17 (store c_C k (+ (select c_A k) 1)))) (let ((.cse14 (store .cse17 .cse18 (+ (select c_A .cse18) 1)))) (+ (select .cse14 .cse10) (select (let ((.cse15 (+ 2 k))) (store .cse14 .cse15 (+ (select c_A .cse15) 1))) .cse16) (select .cse17 c_l) c_csum))) (+ .cse1 .cse2 c_asum c_l 4)) (< c_l k) (< .cse18 c_i)))) .cse19) (or .cse19 (forall ((k Int)) (let ((.cse23 (+ k 1))) (or (< (+ .cse1 .cse2 2 k c_asum) (let ((.cse22 (store c_C k (+ (select c_A k) 1)))) (let ((.cse20 (store .cse22 .cse23 (+ (select c_A .cse23) 1)))) (+ (select .cse20 .cse10) (select (let ((.cse21 (+ 2 k))) (store .cse20 .cse21 (+ (select c_A .cse21) 1))) .cse16) (select .cse22 c_l) c_csum)))) (< c_l k) (< .cse23 c_i))))) (forall ((v_subst_1 Int)) (let ((.cse24 (+ v_subst_1 1))) (or (forall ((v_subst_3 Int)) (or (< .cse24 v_subst_3) (< (let ((.cse27 (store .cse5 v_subst_3 (+ (select c_A v_subst_3) 1)))) (let ((.cse25 (let ((.cse28 (+ v_subst_3 1))) (store .cse27 .cse28 (+ (select c_A .cse28) 1))))) (+ (select (let ((.cse26 (+ 2 v_subst_3))) (store .cse25 .cse26 (+ (select c_A .cse26) 1))) (+ 3 v_subst_1)) (select .cse5 v_subst_1) (select .cse27 .cse24) c_csum (select .cse25 (+ 2 v_subst_1)) .cse8))) (+ .cse1 .cse2 .cse3 5 c_asum v_subst_1)) (< v_subst_3 c_i))) (< c_i .cse24))))))) is different from false [2023-05-19 10:52:06,539 WARN L233 SmtUtils]: Spent 44.32s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 10:52:09,574 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (select c_A c_i)) (.cse4 (select c_A (+ c_i 1))) (.cse12 (select c_A (+ 2 c_i)))) (and (or (< c_l c_p) (let ((.cse0 (< c_i c_l)) (.cse1 (< c_k c_i)) (.cse2 (let ((.cse5 (store c_C c_k (+ (select c_A c_k) 1)))) (+ (select (let ((.cse6 (+ c_k 1))) (store .cse5 .cse6 (+ (select c_A .cse6) 1))) (+ c_l 1)) c_csum (select .cse5 c_l))))) (and (or .cse0 .cse1 (< .cse2 (+ .cse3 .cse4 3 c_asum c_l))) (or .cse0 .cse1 (< (+ .cse3 .cse4 c_asum c_k 1) .cse2)))) (< c_l c_k)) (forall ((l Int)) (let ((.cse7 (+ l 1))) (or (< c_i .cse7) (forall ((k Int)) (or (< (let ((.cse8 (store c_C k (+ (select c_A k) 1)))) (let ((.cse9 (let ((.cse11 (+ k 1))) (store .cse8 .cse11 (+ (select c_A .cse11) 1))))) (+ (select .cse8 .cse7) (select c_C l) (select .cse9 (+ 2 l)) (select (let ((.cse10 (+ 2 k))) (store .cse9 .cse10 (+ (select c_A .cse10) 1))) (+ 3 l)) c_csum))) (+ .cse3 .cse4 .cse12 5 l c_asum)) (< .cse7 k) (< k c_i)))))) (forall ((l Int)) (let ((.cse13 (+ l 1))) (or (forall ((k Int)) (or (< .cse13 k) (< (+ .cse3 .cse4 .cse12 2 k c_asum) (let ((.cse14 (store c_C k (+ (select c_A k) 1)))) (let ((.cse15 (let ((.cse17 (+ k 1))) (store .cse14 .cse17 (+ (select c_A .cse17) 1))))) (+ (select .cse14 .cse13) (select c_C l) (select .cse15 (+ 2 l)) (select (let ((.cse16 (+ 2 k))) (store .cse15 .cse16 (+ (select c_A .cse16) 1))) (+ 3 l)) c_csum)))) (< k c_i))) (< c_i .cse13)))))) is different from false [2023-05-19 10:52:40,913 WARN L233 SmtUtils]: Spent 17.95s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-19 10:54:04,114 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 [2023-05-19 10:54:04,125 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 10:54:04,129 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 10:54:04,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-19 10:54:05,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 10:54:05,040 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 147 known predicates. [2023-05-19 10:54:05,042 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 10:54:05,043 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 10:54:05,043 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 10:54:05,043 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 10:54:05,047 INFO L444 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2023-05-19 10:54:05,050 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 10:54:05,050 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 10:54:05,052 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 10:54:05 BasicIcfg [2023-05-19 10:54:05,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 10:54:05,052 INFO L158 Benchmark]: Toolchain (without parser) took 876912.61ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 148.3MB in the beginning and 83.5MB in the end (delta: 64.8MB). Peak memory consumption was 103.2MB. Max. memory is 8.0GB. [2023-05-19 10:54:05,052 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.44ms. Allocated memory is still 187.7MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 10:54:05,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.75ms. Allocated memory is still 187.7MB. Free memory was 148.3MB in the beginning and 146.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-19 10:54:05,053 INFO L158 Benchmark]: Boogie Preprocessor took 24.53ms. Allocated memory is still 187.7MB. Free memory was 146.7MB in the beginning and 145.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 10:54:05,053 INFO L158 Benchmark]: RCFGBuilder took 208.85ms. Allocated memory is still 187.7MB. Free memory was 145.6MB in the beginning and 135.4MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 10:54:05,053 INFO L158 Benchmark]: TraceAbstraction took 876650.21ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.3MB in the beginning and 83.5MB in the end (delta: 50.8MB). Peak memory consumption was 89.6MB. Max. memory is 8.0GB. [2023-05-19 10:54:05,054 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 0.44ms. Allocated memory is still 187.7MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.75ms. Allocated memory is still 187.7MB. Free memory was 148.3MB in the beginning and 146.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.53ms. Allocated memory is still 187.7MB. Free memory was 146.7MB in the beginning and 145.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 208.85ms. Allocated memory is still 187.7MB. Free memory was 145.6MB in the beginning and 135.4MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 876650.21ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.3MB in the beginning and 83.5MB in the end (delta: 50.8MB). Peak memory consumption was 89.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5474, independent: 4229, independent conditional: 3738, independent unconditional: 491, dependent: 1244, dependent conditional: 1240, dependent unconditional: 4, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4259, independent: 4229, independent conditional: 3738, independent unconditional: 491, dependent: 29, dependent conditional: 25, dependent unconditional: 4, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4259, independent: 4229, independent conditional: 3738, independent unconditional: 491, dependent: 29, dependent conditional: 25, dependent unconditional: 4, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4378, independent: 4229, independent conditional: 8, independent unconditional: 4221, dependent: 148, dependent conditional: 110, dependent unconditional: 38, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4378, independent: 4229, independent conditional: 8, independent unconditional: 4221, dependent: 148, dependent conditional: 110, dependent unconditional: 38, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4378, independent: 4229, independent conditional: 8, independent unconditional: 4221, dependent: 148, dependent conditional: 110, dependent unconditional: 38, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 476, independent: 432, independent conditional: 4, independent unconditional: 428, dependent: 43, dependent conditional: 37, dependent unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 476, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 50, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 43, dependent conditional: 37, dependent unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 43, dependent conditional: 37, dependent unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1189, independent: 59, independent conditional: 5, independent unconditional: 54, dependent: 115, dependent conditional: 76, dependent unconditional: 39, unknown: 1015, unknown conditional: 1015, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4378, independent: 3797, independent conditional: 4, independent unconditional: 3793, dependent: 105, dependent conditional: 73, dependent unconditional: 32, unknown: 476, unknown conditional: 42, unknown unconditional: 434] , Statistics on independence cache: Total cache size (in pairs): 475, Positive cache size: 432, Positive conditional cache size: 4, Positive unconditional cache size: 428, Negative cache size: 43, Negative conditional cache size: 37, Negative unconditional cache size: 6, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 6, Independence queries for same thread: 1215 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 131, Number of trivial persistent sets: 71, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 491, independent conditional: 0, independent unconditional: 491, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5474, independent: 4229, independent conditional: 3738, independent unconditional: 491, dependent: 1244, dependent conditional: 1240, dependent unconditional: 4, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4259, independent: 4229, independent conditional: 3738, independent unconditional: 491, dependent: 29, dependent conditional: 25, dependent unconditional: 4, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4259, independent: 4229, independent conditional: 3738, independent unconditional: 491, dependent: 29, dependent conditional: 25, dependent unconditional: 4, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4378, independent: 4229, independent conditional: 8, independent unconditional: 4221, dependent: 148, dependent conditional: 110, dependent unconditional: 38, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4378, independent: 4229, independent conditional: 8, independent unconditional: 4221, dependent: 148, dependent conditional: 110, dependent unconditional: 38, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4378, independent: 4229, independent conditional: 8, independent unconditional: 4221, dependent: 148, dependent conditional: 110, dependent unconditional: 38, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 476, independent: 432, independent conditional: 4, independent unconditional: 428, dependent: 43, dependent conditional: 37, dependent unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 476, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 50, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 43, dependent conditional: 37, dependent unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 43, dependent conditional: 37, dependent unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1189, independent: 59, independent conditional: 5, independent unconditional: 54, dependent: 115, dependent conditional: 76, dependent unconditional: 39, unknown: 1015, unknown conditional: 1015, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4378, independent: 3797, independent conditional: 4, independent unconditional: 3793, dependent: 105, dependent conditional: 73, dependent unconditional: 32, unknown: 476, unknown conditional: 42, unknown unconditional: 434] , Statistics on independence cache: Total cache size (in pairs): 475, Positive cache size: 432, Positive conditional cache size: 4, Positive unconditional cache size: 428, Negative cache size: 43, Negative conditional cache size: 37, Negative unconditional cache size: 6, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 6, Independence queries for same thread: 1215 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 147 known predicates. - TimeoutResultAtElement [Line: 61]: 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 147 known predicates. - TimeoutResultAtElement [Line: 62]: 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 147 known predicates. - TimeoutResultAtElement [Line: 61]: 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 147 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 876.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 610.2s, 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: 241, 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, 0.4s SatisfiabilityAnalysisTime, 263.7s InterpolantComputationTime, 733 NumberOfCodeBlocks, 733 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1041 ConstructedInterpolants, 21 QuantifiedInterpolants, 16893 SizeOfPredicates, 36 NumberOfNonLiveVariables, 892 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 1284/2113 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