/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 14:12:38,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 14:12:38,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 14:12:38,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 14:12:38,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 14:12:38,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 14:12:38,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 14:12:38,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-22 14:12:38,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 14:12:38,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 14:12:38,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 14:12:38,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 14:12:38,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 14:12:38,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 14:12:38,996 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 14:12:38,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 14:12:38,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 14:12:38,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 14:12:38,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 14:12:38,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 14:12:38,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:12:38,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 14:12:38,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 14:12:38,999 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 14:12:38,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 14:12:38,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 14:12:38,999 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 14:12:38,999 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 14:12:38,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 14:12:38,999 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 14:12:39,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 14:12:39,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 14:12:39,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 14:12:39,223 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 14:12:39,224 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 14:12:39,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2021-10-22 14:12:39,224 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2021-10-22 14:12:39,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 14:12:39,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 14:12:39,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 14:12:39,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 14:12:39,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 14:12:39,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 14:12:39,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 14:12:39,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 14:12:39,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 14:12:39,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 14:12:39,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 14:12:39,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 14:12:39,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 14:12:39,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/1) ... [2021-10-22 14:12:39,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 14:12:39,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:12:39,299 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) [2021-10-22 14:12:39,317 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 [2021-10-22 14:12:39,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-22 14:12:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-22 14:12:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-22 14:12:39,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-22 14:12:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-22 14:12:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-22 14:12:39,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 14:12:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 14:12:39,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 14:12:39,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-22 14:12:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-22 14:12:39,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-22 14:12:39,341 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 14:12:39,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 14:12:39,544 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-22 14:12:39,545 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:12:39 BoogieIcfgContainer [2021-10-22 14:12:39,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 14:12:39,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 14:12:39,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 14:12:39,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 14:12:39,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 02:12:39" (1/2) ... [2021-10-22 14:12:39,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439b546e and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:12:39, skipping insertion in model container [2021-10-22 14:12:39,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:12:39" (2/2) ... [2021-10-22 14:12:39,571 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-10-22 14:12:39,591 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 14:12:39,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 14:12:39,591 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 14:12:39,591 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 14:12:39,640 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-22 14:12:39,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 14:12:39,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:12:39,719 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) [2021-10-22 14:12:39,739 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 [2021-10-22 14:12:39,746 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 14:12:39,752 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 14:12:39,752 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-22 14:12:39,847 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 14:12:39,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:12:39,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2135375533, now seen corresponding path program 1 times [2021-10-22 14:12:39,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:12:39,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868838364] [2021-10-22 14:12:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:12:39,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:12:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:12:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-22 14:12:40,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:12:40,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868838364] [2021-10-22 14:12:40,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868838364] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:40,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251750338] [2021-10-22 14:12:40,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:12:40,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:40,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:12:40,143 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) [2021-10-22 14:12:40,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 14:12:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:12:40,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-22 14:12:40,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:12:40,438 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-22 14:12:40,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251750338] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:40,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:12:40,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-10-22 14:12:40,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056352827] [2021-10-22 14:12:40,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 14:12:40,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:12:40,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 14:12:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-22 14:12:40,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:40,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:12:40,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 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) [2021-10-22 14:12:40,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:40,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 14:12:40,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-22 14:12:40,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-10-22 14:12:40,859 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 14:12:40,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:12:40,860 INFO L82 PathProgramCache]: Analyzing trace with hash 338933801, now seen corresponding path program 2 times [2021-10-22 14:12:40,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:12:40,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011056597] [2021-10-22 14:12:40,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:12:40,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:12:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:12:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 14:12:40,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:12:40,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011056597] [2021-10-22 14:12:40,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011056597] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:40,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780620944] [2021-10-22 14:12:40,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 14:12:40,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:40,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:12:40,968 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) [2021-10-22 14:12:40,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 14:12:41,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 14:12:41,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:12:41,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-22 14:12:41,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:12:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-22 14:12:41,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780620944] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:41,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:12:41,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-10-22 14:12:41,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573203884] [2021-10-22 14:12:41,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-22 14:12:41,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:12:41,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-22 14:12:41,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-10-22 14:12:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:41,271 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:12:41,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:12:41,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 14:12:41,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 14:12:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 14:12:41,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 14:12:41,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:41,746 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 14:12:41,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:12:41,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1615157015, now seen corresponding path program 3 times [2021-10-22 14:12:41,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:12:41,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453364201] [2021-10-22 14:12:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:12:41,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:12:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:12:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 14:12:41,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:12:41,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453364201] [2021-10-22 14:12:41,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453364201] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:41,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126279059] [2021-10-22 14:12:41,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 14:12:41,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:12:41,858 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) [2021-10-22 14:12:41,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 14:12:41,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-22 14:12:41,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:12:41,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-22 14:12:41,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:12:42,202 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 14:12:42,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126279059] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:42,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:12:42,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-10-22 14:12:42,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179141174] [2021-10-22 14:12:42,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-22 14:12:42,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:12:42,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-22 14:12:42,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-10-22 14:12:42,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:42,213 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:12:42,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 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) [2021-10-22 14:12:42,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 14:12:42,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-22 14:12:42,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 14:12:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 14:12:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 14:12:42,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 14:12:42,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:42,900 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 14:12:42,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:12:42,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1395879709, now seen corresponding path program 4 times [2021-10-22 14:12:42,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:12:42,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144530159] [2021-10-22 14:12:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:12:42,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:12:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:12:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 14:12:43,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:12:43,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144530159] [2021-10-22 14:12:43,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144530159] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:43,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84473048] [2021-10-22 14:12:43,047 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 14:12:43,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:12:43,048 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) [2021-10-22 14:12:43,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 14:12:43,132 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 14:12:43,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:12:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-22 14:12:43,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:12:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-22 14:12:43,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84473048] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:43,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:12:43,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-10-22 14:12:43,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320847972] [2021-10-22 14:12:43,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-22 14:12:43,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:12:43,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-22 14:12:43,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-10-22 14:12:43,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:43,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:12:43,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 21 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 14:12:43,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 14:12:43,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-22 14:12:43,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 14:12:43,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:43,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 14:12:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 14:12:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 14:12:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 14:12:43,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 14:12:43,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:44,000 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 14:12:44,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:12:44,001 INFO L82 PathProgramCache]: Analyzing trace with hash 884082489, now seen corresponding path program 5 times [2021-10-22 14:12:44,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:12:44,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835240554] [2021-10-22 14:12:44,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:12:44,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:12:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 14:12:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-22 14:12:44,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 14:12:44,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835240554] [2021-10-22 14:12:44,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835240554] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:44,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718329889] [2021-10-22 14:12:44,139 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 14:12:44,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:44,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 14:12:44,140 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) [2021-10-22 14:12:44,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 14:12:44,270 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-22 14:12:44,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 14:12:44,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-22 14:12:44,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 14:12:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-22 14:12:44,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718329889] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 14:12:44,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 14:12:44,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-10-22 14:12:44,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146131494] [2021-10-22 14:12:44,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-22 14:12:44,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 14:12:44,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-22 14:12:44,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-10-22 14:12:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:44,622 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 14:12:44,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.4285714285714284) internal successors, (72), 21 states have internal predecessors, (72), 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) [2021-10-22 14:12:44,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 14:12:44,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-22 14:12:44,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 14:12:44,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 14:12:44,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 14:12:45,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 14:12:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 14:12:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 14:12:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 14:12:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-22 14:12:45,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-22 14:12:45,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 14:12:45,583 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 14:12:45,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 14:12:45,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1566404303, now seen corresponding path program 6 times [2021-10-22 14:12:45,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 14:12:45,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994458768] [2021-10-22 14:12:45,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 14:12:45,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 14:12:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-22 14:27:20,498 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 14:27:20,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-22 14:27:20,499 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-11-2-12-3-11-3-11-3-9-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. [2021-10-22 14:27:20,500 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 14:27:20,500 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 14:27:20,500 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 14:27:20,512 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 14:27:20,512 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 14:27:20,515 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:27:20 BasicIcfg [2021-10-22 14:27:20,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 14:27:20,516 INFO L168 Benchmark]: Toolchain (without parser) took 881271.54 ms. Allocated memory was 196.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 160.5 MB in the beginning and 636.2 MB in the end (delta: -475.8 MB). Peak memory consumption was 979.7 MB. Max. memory is 8.0 GB. [2021-10-22 14:27:20,516 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 196.1 MB. Free memory was 161.7 MB in the beginning and 161.6 MB in the end (delta: 72.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 14:27:20,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.04 ms. Allocated memory is still 196.1 MB. Free memory was 160.4 MB in the beginning and 158.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:27:20,516 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 [2021-10-22 14:27:20,516 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 [2021-10-22 14:27:20,517 INFO L168 Benchmark]: Boogie Preprocessor took 11.00 ms. Allocated memory is still 196.1 MB. Free memory was 158.9 MB in the beginning and 157.9 MB in the end (delta: 949.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 14:27:20,517 INFO L168 Benchmark]: RCFGBuilder took 269.24 ms. Allocated memory is still 196.1 MB. Free memory was 157.9 MB in the beginning and 144.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-22 14:27:20,518 INFO L168 Benchmark]: TraceAbstraction took 880968.10 ms. Allocated memory was 196.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 143.7 MB in the beginning and 636.2 MB in the end (delta: -492.5 MB). Peak memory consumption was 961.9 MB. Max. memory is 8.0 GB. [2021-10-22 14:27:20,519 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 0.10 ms. Allocated memory is still 196.1 MB. Free memory was 161.7 MB in the beginning and 161.6 MB in the end (delta: 72.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.04 ms. Allocated memory is still 196.1 MB. Free memory was 160.4 MB in the beginning and 158.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.00 ms. Allocated memory is still 196.1 MB. Free memory was 158.9 MB in the beginning and 157.9 MB in the end (delta: 949.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 269.24 ms. Allocated memory is still 196.1 MB. Free memory was 157.9 MB in the beginning and 144.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 880968.10 ms. Allocated memory was 196.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 143.7 MB in the beginning and 636.2 MB in the end (delta: -492.5 MB). Peak memory consumption was 961.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 0, positive unconditional: 1261, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 278, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 278, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 241 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 35, Number of persistent set computation: 59, Number of trivial persistent sets: 21, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 0, positive unconditional: 1261, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 278, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 278, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 241 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-11-2-12-3-11-3-11-3-9-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-11-2-12-3-11-3-11-3-9-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-11-2-12-3-11-3-11-3-9-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-11-2-12-3-11-3-11-3-9-3-7-3-7-3-6-3-6-3-6-3-6-3-6-3-6-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 880795.0ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 2100.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 54.7ms SsaConstructionTime, 217.2ms SatisfiabilityAnalysisTime, 1991.3ms InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 15 NumberOfNonLiveVariables, 543 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 0 PerfectInterpolantSequences, 154/486 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