/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/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 02:02:14,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 02:02:14,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 02:02:14,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 02:02:14,278 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 [2021-10-25 02:02:14,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 02:02:14,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 02:02:14,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 02:02:14,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 02:02:14,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 02:02:14,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 02:02:14,294 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 02:02:14,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 02:02:14,294 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 02:02:14,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 02:02:14,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 02:02:14,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 02:02:14,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 02:02:14,296 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 02:02:14,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 02:02:14,297 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 02:02:14,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 02:02:14,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 02:02:14,297 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 02:02:14,297 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 02:02:14,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 02:02:14,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 02:02:14,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 02:02:14,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 02:02:14,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 02:02:14,511 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 02:02:14,513 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 02:02:14,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-10-25 02:02:14,514 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-10-25 02:02:14,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 02:02:14,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 02:02:14,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 02:02:14,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 02:02:14,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 02:02:14,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 02:02:14,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 02:02:14,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 02:02:14,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 02:02:14,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 02:02:14,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 02:02:14,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 02:02:14,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 02:02:14,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/1) ... [2021-10-25 02:02:14,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 02:02:14,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:14,599 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) [2021-10-25 02:02:14,604 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 [2021-10-25 02:02:14,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 02:02:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 02:02:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 02:02:14,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 02:02:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 02:02:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 02:02:14,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 02:02:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 02:02:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 02:02:14,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 02:02:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 02:02:14,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 02:02:14,634 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 02:02:14,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 02:02:14,783 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 02:02:14,785 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:02:14 BoogieIcfgContainer [2021-10-25 02:02:14,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 02:02:14,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 02:02:14,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 02:02:14,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 02:02:14,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 02:02:14" (1/2) ... [2021-10-25 02:02:14,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@628072b2 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:02:14, skipping insertion in model container [2021-10-25 02:02:14,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:02:14" (2/2) ... [2021-10-25 02:02:14,790 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-10-25 02:02:14,793 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 02:02:14,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 02:02:14,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 02:02:14,794 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 02:02:14,818 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-25 02:02:14,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 02:02:14,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:14,895 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) [2021-10-25 02:02:14,896 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 [2021-10-25 02:02:14,917 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 02:02:14,927 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 [2021-10-25 02:02:14,927 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-25 02:02:15,066 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:15,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:15,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1258162814, now seen corresponding path program 1 times [2021-10-25 02:02:15,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:15,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346297793] [2021-10-25 02:02:15,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:15,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 02:02:15,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:15,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346297793] [2021-10-25 02:02:15,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346297793] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:15,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186291001] [2021-10-25 02:02:15,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:15,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:15,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:15,280 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) [2021-10-25 02:02:15,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 02:02:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:15,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-25 02:02:15,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 02:02:15,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186291001] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:15,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:15,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-10-25 02:02:15,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908171383] [2021-10-25 02:02:15,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-25 02:02:15,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:15,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-25 02:02:15,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-25 02:02:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:15,642 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:15,644 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) [2021-10-25 02:02:15,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 02:02:15,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:16,064 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 [2021-10-25 02:02:16,065 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:16,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:16,066 INFO L82 PathProgramCache]: Analyzing trace with hash -538278918, now seen corresponding path program 2 times [2021-10-25 02:02:16,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:16,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120322496] [2021-10-25 02:02:16,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:16,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 02:02:16,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:16,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120322496] [2021-10-25 02:02:16,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120322496] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:16,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227902311] [2021-10-25 02:02:16,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 02:02:16,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:16,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:16,173 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) [2021-10-25 02:02:16,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 02:02:16,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 02:02:16,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:02:16,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-25 02:02:16,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 02:02:16,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227902311] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:16,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:16,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-10-25 02:02:16,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683726711] [2021-10-25 02:02:16,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-25 02:02:16,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:16,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-25 02:02:16,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-10-25 02:02:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:16,446 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:16,447 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) [2021-10-25 02:02:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 02:02:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:16,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 02:02:16,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:16,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:16,900 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 [2021-10-25 02:02:16,900 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:16,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:16,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1818381336, now seen corresponding path program 3 times [2021-10-25 02:02:16,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:16,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51376278] [2021-10-25 02:02:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:16,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 02:02:17,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:17,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51376278] [2021-10-25 02:02:17,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51376278] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:17,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257644624] [2021-10-25 02:02:17,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 02:02:17,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:17,001 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) [2021-10-25 02:02:17,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 02:02:17,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-25 02:02:17,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:02:17,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 02:02:17,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 02:02:17,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257644624] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:17,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:17,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-10-25 02:02:17,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501323038] [2021-10-25 02:02:17,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-25 02:02:17,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:17,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-25 02:02:17,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-10-25 02:02:17,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:17,345 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:17,345 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) [2021-10-25 02:02:17,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 02:02:17,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:17,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 02:02:17,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:18,031 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 [2021-10-25 02:02:18,032 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:18,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:18,032 INFO L82 PathProgramCache]: Analyzing trace with hash 712863214, now seen corresponding path program 4 times [2021-10-25 02:02:18,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:18,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710768122] [2021-10-25 02:02:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:18,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 02:02:18,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:18,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710768122] [2021-10-25 02:02:18,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710768122] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:18,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79752562] [2021-10-25 02:02:18,162 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 02:02:18,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:18,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:18,163 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) [2021-10-25 02:02:18,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 02:02:18,262 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 02:02:18,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:02:18,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-25 02:02:18,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 02:02:18,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79752562] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:18,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:18,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-10-25 02:02:18,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013803024] [2021-10-25 02:02:18,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 02:02:18,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:18,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 02:02:18,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-10-25 02:02:18,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:18,608 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:18,608 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) [2021-10-25 02:02:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 02:02:18,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:18,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:19,183 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 [2021-10-25 02:02:19,184 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:19,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:19,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2100013066, now seen corresponding path program 5 times [2021-10-25 02:02:19,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:19,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18972518] [2021-10-25 02:02:19,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:19,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 02:02:19,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:19,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18972518] [2021-10-25 02:02:19,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18972518] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:19,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994916262] [2021-10-25 02:02:19,349 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 02:02:19,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:19,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:19,351 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) [2021-10-25 02:02:19,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 02:02:19,480 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-25 02:02:19,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:02:19,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-25 02:02:19,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-25 02:02:19,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994916262] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:19,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:19,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-10-25 02:02:19,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784713423] [2021-10-25 02:02:19,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 02:02:19,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:19,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 02:02:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-10-25 02:02:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:19,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:19,788 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) [2021-10-25 02:02:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:19,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 02:02:20,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:20,792 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 [2021-10-25 02:02:20,792 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:20,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:20,793 INFO L82 PathProgramCache]: Analyzing trace with hash 696109600, now seen corresponding path program 6 times [2021-10-25 02:02:20,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:20,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4872377] [2021-10-25 02:02:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:20,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 172 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 02:02:21,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:21,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4872377] [2021-10-25 02:02:21,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4872377] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:21,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977899010] [2021-10-25 02:02:21,818 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 02:02:21,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:21,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:21,819 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) [2021-10-25 02:02:21,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-25 02:02:21,979 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-10-25 02:02:21,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:02:21,980 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 100 conjunts are in the unsatisfiable core [2021-10-25 02:02:21,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:26,783 INFO L354 Elim1Store]: treesize reduction 1120, result has 28.3 percent of original size [2021-10-25 02:02:26,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 55 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 155 case distinctions, treesize of input 107 treesize of output 487 [2021-10-25 02:02:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 02:02:30,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977899010] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:30,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:30,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 32] total 55 [2021-10-25 02:02:30,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010281071] [2021-10-25 02:02:30,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-10-25 02:02:30,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:30,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-10-25 02:02:30,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2797, Unknown=0, NotChecked=0, Total=2970 [2021-10-25 02:02:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:30,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:30,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.090909090909091) internal successors, (115), 55 states have internal predecessors, (115), 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) [2021-10-25 02:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 02:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:39,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:39,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:39,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:39,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:39,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:02:39,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-25 02:02:39,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:39,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:39,818 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:39,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:39,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1989718674, now seen corresponding path program 7 times [2021-10-25 02:02:39,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:39,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322227028] [2021-10-25 02:02:39,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:39,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 60 proven. 165 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 02:02:40,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:40,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322227028] [2021-10-25 02:02:40,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322227028] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:40,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994832462] [2021-10-25 02:02:40,003 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 02:02:40,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:40,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:40,004 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) [2021-10-25 02:02:40,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-25 02:02:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:40,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-25 02:02:40,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 64 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-25 02:02:40,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994832462] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:40,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:40,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 29 [2021-10-25 02:02:40,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875139997] [2021-10-25 02:02:40,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-25 02:02:40,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:40,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-25 02:02:40,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=644, Unknown=0, NotChecked=0, Total=812 [2021-10-25 02:02:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:40,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:40,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 29 states have internal predecessors, (100), 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) [2021-10-25 02:02:40,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:40,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:40,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:40,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:40,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:02:40,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-10-25 02:02:40,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:02:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:02:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-25 02:02:42,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:42,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-25 02:02:42,690 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:42,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:42,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1098756936, now seen corresponding path program 8 times [2021-10-25 02:02:42,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:42,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772653969] [2021-10-25 02:02:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:42,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 44 proven. 384 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-25 02:02:44,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:44,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772653969] [2021-10-25 02:02:44,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772653969] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:44,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144123026] [2021-10-25 02:02:44,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 02:02:44,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:44,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:44,289 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) [2021-10-25 02:02:44,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-25 02:02:44,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 02:02:44,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:02:44,618 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 144 conjunts are in the unsatisfiable core [2021-10-25 02:02:44,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:02:49,031 INFO L354 Elim1Store]: treesize reduction 1138, result has 1.6 percent of original size [2021-10-25 02:02:49,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 136 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 117 case distinctions, treesize of input 125 treesize of output 65 [2021-10-25 02:02:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 02:02:49,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144123026] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:49,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:02:49,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 40] total 69 [2021-10-25 02:02:49,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442564764] [2021-10-25 02:02:49,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-10-25 02:02:49,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:02:49,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-10-25 02:02:49,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=4432, Unknown=0, NotChecked=0, Total=4692 [2021-10-25 02:02:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:49,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:02:49,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.246376811594203) internal successors, (155), 69 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 02:02:49,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:49,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:49,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:49,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:49,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:02:49,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:02:49,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-10-25 02:02:49,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:02:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:02:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:02:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:02:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:02:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:02:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:02:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-25 02:02:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-25 02:02:59,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-25 02:02:59,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:59,238 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:02:59,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:02:59,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1478172954, now seen corresponding path program 9 times [2021-10-25 02:02:59,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:02:59,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789235808] [2021-10-25 02:02:59,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:02:59,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:02:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:02:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 126 proven. 271 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 02:02:59,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:02:59,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789235808] [2021-10-25 02:02:59,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789235808] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:02:59,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239893998] [2021-10-25 02:02:59,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 02:02:59,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:02:59,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:02:59,456 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 02:02:59,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-25 02:02:59,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-25 02:02:59,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:02:59,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-25 02:02:59,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:03:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 132 proven. 264 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-25 02:03:00,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239893998] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:03:00,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:03:00,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27] total 37 [2021-10-25 02:03:00,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874488212] [2021-10-25 02:03:00,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-10-25 02:03:00,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:03:00,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-10-25 02:03:00,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2021-10-25 02:03:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:03:00,600 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:03:00,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.4594594594594597) internal successors, (128), 37 states have internal predecessors, (128), 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) [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-10-25 02:03:00,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:03:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 02:03:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-10-25 02:03:02,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-25 02:03:02,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-25 02:03:02,991 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:03:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:03:02,991 INFO L82 PathProgramCache]: Analyzing trace with hash 235469648, now seen corresponding path program 10 times [2021-10-25 02:03:02,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:03:02,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875421171] [2021-10-25 02:03:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:03:02,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:03:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:03:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 49 proven. 719 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-25 02:03:05,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:03:05,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875421171] [2021-10-25 02:03:05,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875421171] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:03:05,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133272132] [2021-10-25 02:03:05,088 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 02:03:05,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:03:05,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:03:05,088 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 02:03:05,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-25 02:03:05,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 02:03:05,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:03:05,632 WARN L261 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 192 conjunts are in the unsatisfiable core [2021-10-25 02:03:05,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:03:13,297 INFO L354 Elim1Store]: treesize reduction 2092, result has 1.2 percent of original size [2021-10-25 02:03:13,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 253 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 212 case distinctions, treesize of input 165 treesize of output 83 [2021-10-25 02:03:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 0 proven. 818 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 02:03:13,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133272132] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:03:13,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:03:13,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 52] total 88 [2021-10-25 02:03:13,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550928088] [2021-10-25 02:03:13,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-25 02:03:13,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:03:13,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-25 02:03:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=7279, Unknown=0, NotChecked=0, Total=7656 [2021-10-25 02:03:13,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:03:13,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:03:13,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 2.215909090909091) internal successors, (195), 88 states have internal predecessors, (195), 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) [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-25 02:03:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 02:03:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-10-25 02:03:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:03:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 02:03:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-10-25 02:03:29,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-25 02:03:29,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-25 02:03:29,206 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:03:29,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:03:29,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1940531326, now seen corresponding path program 11 times [2021-10-25 02:03:29,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:03:29,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420147287] [2021-10-25 02:03:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:03:29,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:03:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:03:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 216 proven. 515 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-25 02:03:29,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:03:29,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420147287] [2021-10-25 02:03:29,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420147287] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:03:29,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880668447] [2021-10-25 02:03:29,540 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 02:03:29,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:03:29,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:03:29,541 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 02:03:29,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-25 02:03:30,262 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-10-25 02:03:30,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:03:30,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 48 conjunts are in the unsatisfiable core [2021-10-25 02:03:30,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:03:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 224 proven. 506 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-25 02:03:31,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880668447] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:03:31,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 02:03:31,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 33] total 45 [2021-10-25 02:03:31,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807874426] [2021-10-25 02:03:31,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-10-25 02:03:31,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:03:31,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-10-25 02:03:31,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=1570, Unknown=0, NotChecked=0, Total=1980 [2021-10-25 02:03:31,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:03:31,132 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:03:31,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.466666666666667) internal successors, (156), 45 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) [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-10-25 02:03:31,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:03:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 02:03:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:03:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 02:03:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 02:03:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 02:03:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-25 02:03:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-25 02:03:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 02:03:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 02:03:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-10-25 02:03:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-10-25 02:03:34,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-25 02:03:34,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-25 02:03:34,371 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 02:03:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:03:34,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1182673432, now seen corresponding path program 12 times [2021-10-25 02:03:34,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:03:34,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870897653] [2021-10-25 02:03:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:03:34,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:03:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:03:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 192 proven. 1012 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-10-25 02:03:37,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:03:37,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870897653] [2021-10-25 02:03:37,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870897653] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:03:37,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842936324] [2021-10-25 02:03:37,181 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 02:03:37,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:03:37,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:03:37,182 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 02:03:37,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-25 02:03:37,993 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-10-25 02:03:37,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 02:03:37,997 WARN L261 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 245 conjunts are in the unsatisfiable core [2021-10-25 02:03:37,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:05:00,716 WARN L207 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 3943 DAG size of output: 1635 [2021-10-25 02:05:00,719 INFO L354 Elim1Store]: treesize reduction 7046, result has 30.9 percent of original size [2021-10-25 02:05:00,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 48 select indices, 48 select index equivalence classes, 171 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 957 case distinctions, treesize of input 259 treesize of output 3237 Received shutdown request... [2021-10-25 02:16:08,683 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 [2021-10-25 02:16:08,683 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 02:16:08,703 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-10-25 02:16:08,705 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 02:16:08,717 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 [2021-10-25 02:16:08,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-10-25 02:16:08,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-25 02:16:08,906 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 135 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 16ms.. [2021-10-25 02:16:08,907 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 02:16:08,907 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 02:16:08,907 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 02:16:08,913 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 02:16:08,913 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 02:16:08,914 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 02:16:08 BasicIcfg [2021-10-25 02:16:08,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 02:16:08,915 INFO L168 Benchmark]: Toolchain (without parser) took 834382.56 ms. Allocated memory was 210.8 MB in the beginning and 638.6 MB in the end (delta: 427.8 MB). Free memory was 175.0 MB in the beginning and 255.4 MB in the end (delta: -80.4 MB). Peak memory consumption was 455.6 MB. Max. memory is 8.0 GB. [2021-10-25 02:16:08,915 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 210.8 MB. Free memory is still 176.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 02:16:08,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.64 ms. Allocated memory is still 210.8 MB. Free memory was 175.0 MB in the beginning and 173.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 02:16:08,916 INFO L168 Benchmark]: Boogie Preprocessor took 11.03 ms. Allocated memory is still 210.8 MB. Free memory was 173.5 MB in the beginning and 172.6 MB in the end (delta: 970.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 02:16:08,916 INFO L168 Benchmark]: RCFGBuilder took 210.64 ms. Allocated memory is still 210.8 MB. Free memory was 172.5 MB in the beginning and 159.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-25 02:16:08,916 INFO L168 Benchmark]: TraceAbstraction took 834128.40 ms. Allocated memory was 210.8 MB in the beginning and 638.6 MB in the end (delta: 427.8 MB). Free memory was 159.3 MB in the beginning and 255.4 MB in the end (delta: -96.1 MB). Peak memory consumption was 439.9 MB. Max. memory is 8.0 GB. [2021-10-25 02:16:08,917 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 0.11 ms. Allocated memory is still 210.8 MB. Free memory is still 176.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.64 ms. Allocated memory is still 210.8 MB. Free memory was 175.0 MB in the beginning and 173.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.03 ms. Allocated memory is still 210.8 MB. Free memory was 173.5 MB in the beginning and 172.6 MB in the end (delta: 970.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 210.64 ms. Allocated memory is still 210.8 MB. Free memory was 172.5 MB in the beginning and 159.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 834128.40 ms. Allocated memory was 210.8 MB in the beginning and 638.6 MB in the end (delta: 427.8 MB). Free memory was 159.3 MB in the beginning and 255.4 MB in the end (delta: -96.1 MB). Peak memory consumption was 439.9 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: 4552, positive: 3667, positive conditional: 3345, positive unconditional: 322, negative: 885, negative conditional: 885, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3667, positive: 3667, positive conditional: 0, positive unconditional: 3667, 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: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3667, positive: 3389, positive conditional: 0, positive unconditional: 3389, 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: 885 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 96, Number of persistent set computation: 59, Number of trivial persistent sets: 21, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4552, positive: 3667, positive conditional: 3345, positive unconditional: 322, negative: 885, negative conditional: 885, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3667, positive: 3667, positive conditional: 0, positive unconditional: 3667, 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: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3667, positive: 3389, positive conditional: 0, positive unconditional: 3389, 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: 885 - 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 135 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 16ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 135 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 16ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 135 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 16ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 135 with TraceHistMax 29,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 16ms.. - 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: 834021.2ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.8ms, PartialOrderReductionTime: 43337.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 697, 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: 111.4ms SsaConstructionTime, 513.6ms SatisfiabilityAnalysisTime, 30455.1ms InterpolantComputationTime, 1428 NumberOfCodeBlocks, 1428 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 1406 ConstructedInterpolants, 35 QuantifiedInterpolants, 39523 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1796 ConjunctsInSsa, 618 ConjunctsInUnsatCore, 22 InterpolantComputations, 0 PerfectInterpolantSequences, 1214/6152 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