/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-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 23:11:38,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 23:11:38,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 23:11:38,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 23:11:38,521 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-NoLbe-Lockstep.epf [2021-08-07 23:11:38,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 23:11:38,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 23:11:38,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 23:11:38,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 23:11:38,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 23:11:38,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 23:11:38,565 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 23:11:38,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 23:11:38,566 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 23:11:38,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 23:11:38,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 23:11:38,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 23:11:38,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 23:11:38,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 23:11:38,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 23:11:38,567 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 23:11:38,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 23:11:38,568 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 23:11:38,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 23:11:38,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 23:11:38,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 23:11:38,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 23:11:38,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 23:11:38,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 23:11:38,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 23:11:38,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 23:11:38,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 23:11:38,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 23:11:38,569 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 23:11:38,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 23:11:38,570 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 23:11:38,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 23:11:38,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 23:11:38,570 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 23:11:38,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 23:11:38,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 23:11:38,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 23:11:38,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 23:11:38,899 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 23:11:38,900 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 23:11:38,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-08-07 23:11:38,901 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-08-07 23:11:38,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 23:11:38,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 23:11:38,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 23:11:38,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 23:11:38,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 23:11:38,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 23:11:38,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 23:11:38,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 23:11:38,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 23:11:38,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 23:11:38,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 23:11:38,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 23:11:38,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 23:11:38,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/1) ... [2021-08-07 23:11:38,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 23:11:38,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:11:38,997 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) [2021-08-07 23:11:39,008 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 [2021-08-07 23:11:39,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 23:11:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 23:11:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 23:11:39,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 23:11:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 23:11:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 23:11:39,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 23:11:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 23:11:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 23:11:39,031 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 23:11:39,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 23:11:39,246 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 23:11:39,247 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 11:11:39 BoogieIcfgContainer [2021-08-07 23:11:39,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 23:11:39,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 23:11:39,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 23:11:39,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 23:11:39,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:11:38" (1/2) ... [2021-08-07 23:11:39,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11afa845 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 11:11:39, skipping insertion in model container [2021-08-07 23:11:39,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 11:11:39" (2/2) ... [2021-08-07 23:11:39,270 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-08-07 23:11:39,274 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 23:11:39,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 23:11:39,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 23:11:39,275 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 23:11:39,343 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-07 23:11:39,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 23:11:39,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:11:39,408 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) [2021-08-07 23:11:39,409 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 [2021-08-07 23:11:39,447 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 23:11:39,455 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 [2021-08-07 23:11:39,455 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 23:11:39,583 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:11:39,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:11:39,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1363007188, now seen corresponding path program 1 times [2021-08-07 23:11:39,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:11:39,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410747750] [2021-08-07 23:11:39,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:11:39,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:11:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:11:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:39,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:11:39,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410747750] [2021-08-07 23:11:39,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410747750] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:39,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647104384] [2021-08-07 23:11:39,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:11:39,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:11:39,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:11:39,894 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) [2021-08-07 23:11:39,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 23:11:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:11:39,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-07 23:11:39,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:11:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:40,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647104384] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:40,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:11:40,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-07 23:11:40,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603752360] [2021-08-07 23:11:40,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 23:11:40,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:11:40,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 23:11:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-07 23:11:40,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:40,231 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:11:40,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-08-07 23:11:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:40,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-07 23:11:40,611 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 [2021-08-07 23:11:40,612 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:11:40,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:11:40,612 INFO L82 PathProgramCache]: Analyzing trace with hash -591947326, now seen corresponding path program 2 times [2021-08-07 23:11:40,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:11:40,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70159834] [2021-08-07 23:11:40,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:11:40,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:11:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:11:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:40,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:11:40,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70159834] [2021-08-07 23:11:40,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70159834] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:40,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328863221] [2021-08-07 23:11:40,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 23:11:40,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:11:40,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:11:40,706 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) [2021-08-07 23:11:40,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 23:11:40,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 23:11:40,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:11:40,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-07 23:11:40,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:11:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:40,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328863221] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:40,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:11:40,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-07 23:11:40,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045147592] [2021-08-07 23:11:40,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 23:11:40,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:11:40,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 23:11:40,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-07 23:11:40,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:40,969 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:11:40,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-08-07 23:11:40,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:40,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:11:41,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 23:11:41,377 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 [2021-08-07 23:11:41,377 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:11:41,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:11:41,378 INFO L82 PathProgramCache]: Analyzing trace with hash 934176685, now seen corresponding path program 1 times [2021-08-07 23:11:41,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:11:41,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662220168] [2021-08-07 23:11:41,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:11:41,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:11:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:11:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:42,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:11:42,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662220168] [2021-08-07 23:11:42,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662220168] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:42,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130873357] [2021-08-07 23:11:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:11:42,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:11:42,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:11:42,150 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) [2021-08-07 23:11:42,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 23:11:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:11:42,217 WARN L261 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-07 23:11:42,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:11:42,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-08-07 23:11:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:43,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130873357] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:43,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:11:43,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-08-07 23:11:43,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228447789] [2021-08-07 23:11:43,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-07 23:11:43,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:11:43,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-07 23:11:43,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-08-07 23:11:43,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:43,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:11:43,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.96) internal successors, (49), 24 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 23:11:43,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:43,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:11:43,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:11:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:11:43,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 23:11:43,903 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 [2021-08-07 23:11:43,903 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:11:43,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:11:43,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1743190031, now seen corresponding path program 2 times [2021-08-07 23:11:43,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:11:43,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869161874] [2021-08-07 23:11:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:11:43,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:11:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:11:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:44,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:11:44,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869161874] [2021-08-07 23:11:44,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869161874] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:44,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022069119] [2021-08-07 23:11:44,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 23:11:44,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:11:44,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:11:44,929 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) [2021-08-07 23:11:44,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 23:11:45,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 23:11:45,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:11:45,042 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 49 conjunts are in the unsatisfiable core [2021-08-07 23:11:45,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:11:46,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-08-07 23:11:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:46,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022069119] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:46,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:11:46,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20] total 41 [2021-08-07 23:11:46,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639820213] [2021-08-07 23:11:46,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-08-07 23:11:46,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:11:46,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-08-07 23:11:46,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1475, Unknown=0, NotChecked=0, Total=1722 [2021-08-07 23:11:46,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:46,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:11:46,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 41 states have internal predecessors, (87), 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) [2021-08-07 23:11:46,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:46,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:11:46,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:11:46,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:11:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:11:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:11:48,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 23:11:49,160 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 [2021-08-07 23:11:49,160 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:11:49,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:11:49,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1096458057, now seen corresponding path program 3 times [2021-08-07 23:11:49,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:11:49,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369985733] [2021-08-07 23:11:49,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:11:49,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:11:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:11:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-08-07 23:11:50,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:11:50,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369985733] [2021-08-07 23:11:50,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369985733] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:50,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615546439] [2021-08-07 23:11:50,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 23:11:50,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:11:50,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:11:50,587 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) [2021-08-07 23:11:50,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 23:11:50,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-08-07 23:11:50,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:11:50,816 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-08-07 23:11:50,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:11:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:11:54,115 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-07 23:11:54,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 51 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 27 case distinctions, treesize of input 64 treesize of output 282 [2021-08-07 23:11:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:11:55,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615546439] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:11:55,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:11:55,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 37] total 59 [2021-08-07 23:11:55,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922015537] [2021-08-07 23:11:55,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2021-08-07 23:11:55,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:11:55,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-08-07 23:11:55,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=3288, Unknown=0, NotChecked=0, Total=3540 [2021-08-07 23:11:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:11:55,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:11:55,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.9166666666666667) internal successors, (115), 59 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) [2021-08-07 23:11:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:11:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:11:55,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:11:55,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:11:55,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:12:01,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:12:01,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:12:01,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:12:01,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:12:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-07 23:12:01,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 23:12:02,107 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 [2021-08-07 23:12:02,107 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:12:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:12:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1401241392, now seen corresponding path program 4 times [2021-08-07 23:12:02,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:12:02,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451550525] [2021-08-07 23:12:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:12:02,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:12:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:12:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 19 proven. 193 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-07 23:12:03,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:12:03,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451550525] [2021-08-07 23:12:03,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451550525] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:12:03,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977232886] [2021-08-07 23:12:03,759 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 23:12:03,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:12:03,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:12:03,760 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) [2021-08-07 23:12:03,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 23:12:04,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 23:12:04,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:12:04,128 WARN L261 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 99 conjunts are in the unsatisfiable core [2021-08-07 23:12:04,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:12:08,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2021-08-07 23:12:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:12:08,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977232886] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:12:08,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:12:08,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 45] total 68 [2021-08-07 23:12:08,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997343467] [2021-08-07 23:12:08,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-08-07 23:12:08,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:12:08,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-08-07 23:12:08,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=4209, Unknown=0, NotChecked=0, Total=4692 [2021-08-07 23:12:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:12:08,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:12:08,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.072463768115942) internal successors, (143), 68 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 23:12:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:12:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:12:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:12:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:12:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-07 23:12:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:12:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:12:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:12:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:12:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:12:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-08-07 23:12:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-08-07 23:12:13,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 23:12:13,558 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 [2021-08-07 23:12:13,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:12:13,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:12:13,559 INFO L82 PathProgramCache]: Analyzing trace with hash -179416242, now seen corresponding path program 5 times [2021-08-07 23:12:13,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:12:13,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376051625] [2021-08-07 23:12:13,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:12:13,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:12:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:12:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-08-07 23:12:14,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:12:14,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376051625] [2021-08-07 23:12:14,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376051625] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:12:14,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593179234] [2021-08-07 23:12:14,924 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 23:12:14,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:12:14,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:12:14,925 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) [2021-08-07 23:12:14,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 23:12:15,497 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-07 23:12:15,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:12:15,499 WARN L261 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 99 conjunts are in the unsatisfiable core [2021-08-07 23:12:15,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:12:19,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2021-08-07 23:12:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:12:19,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593179234] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:12:19,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:12:19,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 45] total 64 [2021-08-07 23:12:19,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417797839] [2021-08-07 23:12:19,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-07 23:12:19,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:12:19,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-07 23:12:19,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=3761, Unknown=0, NotChecked=0, Total=4160 [2021-08-07 23:12:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:12:19,728 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:12:19,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.046153846153846) internal successors, (133), 64 states have internal predecessors, (133), 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) [2021-08-07 23:12:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:12:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:12:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:12:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:12:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-08-07 23:12:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-08-07 23:12:19,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:12:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 23:12:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:12:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:12:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:12:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-08-07 23:12:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-08-07 23:12:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-08-07 23:12:26,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-07 23:12:26,269 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 [2021-08-07 23:12:26,269 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 23:12:26,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:12:26,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1397276664, now seen corresponding path program 6 times [2021-08-07 23:12:26,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:12:26,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338533301] [2021-08-07 23:12:26,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:12:26,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:12:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:12:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 302 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-08-07 23:12:27,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:12:27,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338533301] [2021-08-07 23:12:27,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338533301] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:12:27,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086559043] [2021-08-07 23:12:27,878 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 23:12:27,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:12:27,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:12:27,880 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) [2021-08-07 23:12:27,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 23:12:28,689 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-08-07 23:12:28,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:12:28,691 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 125 conjunts are in the unsatisfiable core [2021-08-07 23:12:28,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:12:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:12:38,252 INFO L354 Elim1Store]: treesize reduction 520, result has 62.6 percent of original size [2021-08-07 23:12:38,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 36 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 135 case distinctions, treesize of input 118 treesize of output 916 [2021-08-07 23:20:48,860 WARN L207 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 1091 DAG size of output: 1083 [2021-08-07 23:24:20,312 WARN L207 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 1091 DAG size of output: 1083 [2021-08-07 23:24:32,956 WARN L207 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 1346 DAG size of output: 1344 Received shutdown request... [2021-08-07 23:25:46,544 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 [2021-08-07 23:25:46,544 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 [2021-08-07 23:25:46,547 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 23:25:46,550 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 23:25:46,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-07 23:25:46,768 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 [2021-08-07 23:25:46,769 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 121 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-44-15-6-22-12-15-11-13-6-14-3-10-4-14-3-11-4-8-3-7-2-8-2-5-2-6-2-5-2-4-2-2-1 context. [2021-08-07 23:25:46,771 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 23:25:46,771 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 23:25:46,778 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 23:25:46,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 23:25:46,780 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 11:25:46 BasicIcfg [2021-08-07 23:25:46,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 23:25:46,789 INFO L168 Benchmark]: Toolchain (without parser) took 847856.60 ms. Allocated memory was 223.3 MB in the beginning and 966.8 MB in the end (delta: 743.4 MB). Free memory was 203.2 MB in the beginning and 645.3 MB in the end (delta: -442.2 MB). Peak memory consumption was 640.6 MB. Max. memory is 8.0 GB. [2021-08-07 23:25:46,791 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 223.3 MB. Free memory was 204.4 MB in the beginning and 204.3 MB in the end (delta: 83.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 23:25:46,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.48 ms. Allocated memory is still 223.3 MB. Free memory was 203.1 MB in the beginning and 201.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 23:25:46,791 INFO L168 Benchmark]: Boogie Preprocessor took 13.64 ms. Allocated memory is still 223.3 MB. Free memory was 201.6 MB in the beginning and 200.7 MB in the end (delta: 914.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 23:25:46,791 INFO L168 Benchmark]: RCFGBuilder took 282.90 ms. Allocated memory is still 223.3 MB. Free memory was 200.6 MB in the beginning and 188.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-07 23:25:46,791 INFO L168 Benchmark]: TraceAbstraction took 847531.12 ms. Allocated memory was 223.3 MB in the beginning and 966.8 MB in the end (delta: 743.4 MB). Free memory was 188.1 MB in the beginning and 645.3 MB in the end (delta: -457.3 MB). Peak memory consumption was 625.9 MB. Max. memory is 8.0 GB. [2021-08-07 23:25:46,792 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 0.16 ms. Allocated memory is still 223.3 MB. Free memory was 204.4 MB in the beginning and 204.3 MB in the end (delta: 83.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.48 ms. Allocated memory is still 223.3 MB. Free memory was 203.1 MB in the beginning and 201.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.64 ms. Allocated memory is still 223.3 MB. Free memory was 201.6 MB in the beginning and 200.7 MB in the end (delta: 914.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 282.90 ms. Allocated memory is still 223.3 MB. Free memory was 200.6 MB in the beginning and 188.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 847531.12 ms. Allocated memory was 223.3 MB in the beginning and 966.8 MB in the end (delta: 743.4 MB). Free memory was 188.1 MB in the beginning and 645.3 MB in the end (delta: -457.3 MB). Peak memory consumption was 625.9 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: 1886, positive: 1446, positive conditional: 968, positive unconditional: 478, negative: 440, negative conditional: 440, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 968, positive unconditional: 478, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 968, positive unconditional: 478, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 937, positive unconditional: 509, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 789, positive unconditional: 657, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 789, positive unconditional: 657, 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: 317, positive: 317, positive conditional: 0, positive unconditional: 317, 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: 317, positive: 317, positive conditional: 0, positive unconditional: 317, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1446, positive: 1129, positive conditional: 789, positive unconditional: 340, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 317, unknown conditional: 0, unknown unconditional: 317] , Statistics on independence cache: Total cache size (in pairs): 317, Positive cache size: 317, Positive conditional cache size: 0, Positive unconditional cache size: 317, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 148, Maximal queried relation: 0, Independence queries for same thread: 440 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 72, Number of persistent set computation: 55, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 478, positive: 478, positive conditional: 0, positive unconditional: 478, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1886, positive: 1446, positive conditional: 968, positive unconditional: 478, negative: 440, negative conditional: 440, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 968, positive unconditional: 478, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 968, positive unconditional: 478, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 937, positive unconditional: 509, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 789, positive unconditional: 657, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1446, positive: 1446, positive conditional: 789, positive unconditional: 657, 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: 317, positive: 317, positive conditional: 0, positive unconditional: 317, 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: 317, positive: 317, positive conditional: 0, positive unconditional: 317, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1446, positive: 1129, positive conditional: 789, positive unconditional: 340, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 317, unknown conditional: 0, unknown unconditional: 317] , Statistics on independence cache: Total cache size (in pairs): 317, Positive cache size: 317, Positive conditional cache size: 0, Positive unconditional cache size: 317, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 148, Maximal queried relation: 0, Independence queries for same thread: 440 - 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 121 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-44-15-6-22-12-15-11-13-6-14-3-10-4-14-3-11-4-8-3-7-2-8-2-5-2-6-2-5-2-4-2-2-1 context. - TimeoutResultAtElement [Line: 60]: 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 121 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-44-15-6-22-12-15-11-13-6-14-3-10-4-14-3-11-4-8-3-7-2-8-2-5-2-6-2-5-2-4-2-2-1 context. - TimeoutResultAtElement [Line: 60]: 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 121 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-44-15-6-22-12-15-11-13-6-14-3-10-4-14-3-11-4-8-3-7-2-8-2-5-2-6-2-5-2-4-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 847373.6ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.9ms, PartialOrderReductionTime: 21042.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 312, 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: 66.8ms SsaConstructionTime, 359.3ms SatisfiabilityAnalysisTime, 22381.7ms InterpolantComputationTime, 782 NumberOfCodeBlocks, 782 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 768 ConstructedInterpolants, 0 QuantifiedInterpolants, 23938 SizeOfPredicates, 46 NumberOfNonLiveVariables, 708 ConjunctsInSsa, 369 ConjunctsInUnsatCore, 14 InterpolantComputations, 0 PerfectInterpolantSequences, 389/1912 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