/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:41:26,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:41:26,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:41:26,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 20:41:26,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:41:26,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:41:26,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:41:26,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:41:26,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:41:26,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:41:26,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:41:26,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:41:26,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:41:26,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:41:26,729 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:41:26,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:41:26,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:41:26,731 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:41:26,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:41:26,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:41:26,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:41:26,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:41:26,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:41:26,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:41:26,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:41:26,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:41:26,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:41:26,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:41:26,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:41:26,732 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:41:26,732 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:41:26,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:41:26,733 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 20:41:26,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:41:27,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:41:27,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:41:27,012 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-15 20:41:27,013 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-15 20:41:27,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl [2022-03-15 20:41:27,014 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl' [2022-03-15 20:41:27,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:41:27,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-15 20:41:27,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:41:27,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:41:27,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:41:27,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,053 INFO L137 Inliner]: procedures = 8, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-15 20:41:27,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:41:27,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:41:27,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:41:27,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:41:27,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:41:27,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:41:27,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:41:27,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:41:27,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/1) ... [2022-03-15 20:41:27,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:41:27,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:41:27,105 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) [2022-03-15 20:41:27,131 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 [2022-03-15 20:41:27,148 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-03-15 20:41:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-03-15 20:41:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-03-15 20:41:27,148 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-03-15 20:41:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-03-15 20:41:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-03-15 20:41:27,148 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-03-15 20:41:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-03-15 20:41:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-03-15 20:41:27,149 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-03-15 20:41:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-03-15 20:41:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-03-15 20:41:27,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-03-15 20:41:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-03-15 20:41:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-03-15 20:41:27,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-15 20:41:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:41:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:41:27,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-03-15 20:41:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-03-15 20:41:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-03-15 20:41:27,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-03-15 20:41:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-03-15 20:41:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-03-15 20:41:27,152 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:41:27,193 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:41:27,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:41:27,313 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:41:27,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:41:27,319 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:41:27,320 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:41:27 BoogieIcfgContainer [2022-03-15 20:41:27,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:41:27,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:41:27,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:41:27,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:41:27,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:41:27" (1/2) ... [2022-03-15 20:41:27,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70486cfd and model type example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:41:27, skipping insertion in model container [2022-03-15 20:41:27,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:41:27" (2/2) ... [2022-03-15 20:41:27,335 INFO L111 eAbstractionObserver]: Analyzing ICFG example_7.bpl [2022-03-15 20:41:27,339 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:41:27,339 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:41:27,340 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 20:41:27,340 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:41:27,422 INFO L148 ThreadInstanceAdder]: Constructed 49 joinOtherThreadTransitions. [2022-03-15 20:41:27,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:41:27,485 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:41:27,486 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-15 20:41:27,500 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:41:27,512 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 80 transitions, 342 flow [2022-03-15 20:41:27,514 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 80 transitions, 342 flow [2022-03-15 20:41:27,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 80 transitions, 342 flow [2022-03-15 20:41:27,687 INFO L129 PetriNetUnfolder]: 321/472 cut-off events. [2022-03-15 20:41:27,687 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2022-03-15 20:41:27,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 472 events. 321/472 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1660 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2022-03-15 20:41:27,711 INFO L116 LiptonReduction]: Number of co-enabled transitions 1260 [2022-03-15 20:41:27,832 INFO L131 LiptonReduction]: Checked pairs total: 3619 [2022-03-15 20:41:27,833 INFO L133 LiptonReduction]: Total number of compositions: 8 [2022-03-15 20:41:27,839 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 72 transitions, 326 flow [2022-03-15 20:41:28,090 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2315 states, 2314 states have (on average 4.604580812445981) internal successors, (10655), 2314 states have internal predecessors, (10655), 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) [2022-03-15 20:41:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 2315 states, 2314 states have (on average 4.604580812445981) internal successors, (10655), 2314 states have internal predecessors, (10655), 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) [2022-03-15 20:41:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 20:41:28,147 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:41:28,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:41:28,148 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:41:28,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:41:28,153 INFO L85 PathProgramCache]: Analyzing trace with hash -683260420, now seen corresponding path program 1 times [2022-03-15 20:41:28,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:41:28,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322241691] [2022-03-15 20:41:28,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:41:28,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:41:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:41:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:41:28,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:41:28,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322241691] [2022-03-15 20:41:28,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322241691] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:41:28,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:41:28,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:41:28,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1492470822] [2022-03-15 20:41:28,335 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:41:28,340 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:41:28,467 INFO L252 McrAutomatonBuilder]: Finished intersection with 383 states and 1345 transitions. [2022-03-15 20:41:28,467 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:41:30,500 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4696#(not (= set_3Thread1of1ForFork4_thidvar0 1))] [2022-03-15 20:41:30,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:41:30,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:41:30,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:41:30,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:30,528 INFO L87 Difference]: Start difference. First operand has 2315 states, 2314 states have (on average 4.604580812445981) internal successors, (10655), 2314 states have internal predecessors, (10655), 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) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:30,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:41:30,621 INFO L93 Difference]: Finished difference Result 1819 states and 7855 transitions. [2022-03-15 20:41:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:41:30,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) Word has length 22 [2022-03-15 20:41:30,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:41:30,648 INFO L225 Difference]: With dead ends: 1819 [2022-03-15 20:41:30,648 INFO L226 Difference]: Without dead ends: 1819 [2022-03-15 20:41:30,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:30,652 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 95 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:41:30,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 1 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:41:30,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2022-03-15 20:41:30,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1819. [2022-03-15 20:41:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1818 states have (on average 4.32068206820682) internal successors, (7855), 1818 states have internal predecessors, (7855), 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) [2022-03-15 20:41:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 7855 transitions. [2022-03-15 20:41:30,818 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 7855 transitions. Word has length 22 [2022-03-15 20:41:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:41:30,818 INFO L470 AbstractCegarLoop]: Abstraction has 1819 states and 7855 transitions. [2022-03-15 20:41:30,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 7855 transitions. [2022-03-15 20:41:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 20:41:30,826 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:41:30,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:41:30,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:41:30,827 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:41:30,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:41:30,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1133179264, now seen corresponding path program 1 times [2022-03-15 20:41:30,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:41:30,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683574378] [2022-03-15 20:41:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:41:30,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:41:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:41:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:41:30,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:41:30,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683574378] [2022-03-15 20:41:30,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683574378] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:41:30,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:41:30,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:41:30,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [453738659] [2022-03-15 20:41:30,853 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:41:30,854 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:41:30,908 INFO L252 McrAutomatonBuilder]: Finished intersection with 383 states and 1345 transitions. [2022-03-15 20:41:30,908 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:41:32,560 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [10157#(not (= set_2Thread1of1ForFork3_thidvar0 1))] [2022-03-15 20:41:32,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:41:32,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:41:32,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:41:32,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:32,562 INFO L87 Difference]: Start difference. First operand 1819 states and 7855 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:32,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:41:32,659 INFO L93 Difference]: Finished difference Result 1595 states and 6559 transitions. [2022-03-15 20:41:32,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:41:32,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) Word has length 22 [2022-03-15 20:41:32,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:41:32,672 INFO L225 Difference]: With dead ends: 1595 [2022-03-15 20:41:32,672 INFO L226 Difference]: Without dead ends: 1595 [2022-03-15 20:41:32,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:32,673 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 91 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:41:32,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 1 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:41:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2022-03-15 20:41:32,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1595. [2022-03-15 20:41:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1594 states have (on average 4.114805520702635) internal successors, (6559), 1594 states have internal predecessors, (6559), 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) [2022-03-15 20:41:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 6559 transitions. [2022-03-15 20:41:32,730 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 6559 transitions. Word has length 22 [2022-03-15 20:41:32,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:41:32,731 INFO L470 AbstractCegarLoop]: Abstraction has 1595 states and 6559 transitions. [2022-03-15 20:41:32,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 6559 transitions. [2022-03-15 20:41:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 20:41:32,737 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:41:32,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:41:32,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:41:32,738 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:41:32,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:41:32,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2088702652, now seen corresponding path program 1 times [2022-03-15 20:41:32,739 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:41:32,739 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361957012] [2022-03-15 20:41:32,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:41:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:41:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:41:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:41:32,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:41:32,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361957012] [2022-03-15 20:41:32,759 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361957012] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:41:32,759 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:41:32,759 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:41:32,759 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1849720330] [2022-03-15 20:41:32,759 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:41:32,761 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:41:32,786 INFO L252 McrAutomatonBuilder]: Finished intersection with 383 states and 1345 transitions. [2022-03-15 20:41:32,786 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:41:34,239 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [14946#(not (= set_5Thread1of1ForFork6_thidvar0 1))] [2022-03-15 20:41:34,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:41:34,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:41:34,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:41:34,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:34,241 INFO L87 Difference]: Start difference. First operand 1595 states and 6559 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:34,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:41:34,305 INFO L93 Difference]: Finished difference Result 1023 states and 3995 transitions. [2022-03-15 20:41:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:41:34,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) Word has length 22 [2022-03-15 20:41:34,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:41:34,313 INFO L225 Difference]: With dead ends: 1023 [2022-03-15 20:41:34,313 INFO L226 Difference]: Without dead ends: 1023 [2022-03-15 20:41:34,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:34,316 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 42 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:41:34,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 1 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:41:34,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2022-03-15 20:41:34,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1023. [2022-03-15 20:41:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1022 states have (on average 3.9090019569471623) internal successors, (3995), 1022 states have internal predecessors, (3995), 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) [2022-03-15 20:41:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 3995 transitions. [2022-03-15 20:41:34,365 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 3995 transitions. Word has length 22 [2022-03-15 20:41:34,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:41:34,366 INFO L470 AbstractCegarLoop]: Abstraction has 1023 states and 3995 transitions. [2022-03-15 20:41:34,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 3995 transitions. [2022-03-15 20:41:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 20:41:34,370 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:41:34,370 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:41:34,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:41:34,370 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:41:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:41:34,372 INFO L85 PathProgramCache]: Analyzing trace with hash 150520822, now seen corresponding path program 1 times [2022-03-15 20:41:34,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:41:34,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421425402] [2022-03-15 20:41:34,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:41:34,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:41:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:41:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:41:34,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:41:34,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421425402] [2022-03-15 20:41:34,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421425402] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:41:34,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:41:34,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:41:34,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [710681102] [2022-03-15 20:41:34,404 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:41:34,405 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:41:34,441 INFO L252 McrAutomatonBuilder]: Finished intersection with 383 states and 1345 transitions. [2022-03-15 20:41:34,442 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:41:35,584 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [18019#(not (= set_6Thread1of1ForFork0_thidvar0 1))] [2022-03-15 20:41:35,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:41:35,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:41:35,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:41:35,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:35,588 INFO L87 Difference]: Start difference. First operand 1023 states and 3995 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:35,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:41:35,638 INFO L93 Difference]: Finished difference Result 655 states and 2473 transitions. [2022-03-15 20:41:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:41:35,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) Word has length 22 [2022-03-15 20:41:35,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:41:35,643 INFO L225 Difference]: With dead ends: 655 [2022-03-15 20:41:35,643 INFO L226 Difference]: Without dead ends: 655 [2022-03-15 20:41:35,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:35,647 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 46 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:41:35,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 1 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:41:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2022-03-15 20:41:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2022-03-15 20:41:35,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 654 states have (on average 3.7813455657492354) internal successors, (2473), 654 states have internal predecessors, (2473), 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) [2022-03-15 20:41:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 2473 transitions. [2022-03-15 20:41:35,667 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 2473 transitions. Word has length 22 [2022-03-15 20:41:35,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:41:35,668 INFO L470 AbstractCegarLoop]: Abstraction has 655 states and 2473 transitions. [2022-03-15 20:41:35,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2022-03-15 20:41:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 2473 transitions. [2022-03-15 20:41:35,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 20:41:35,673 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:41:35,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:41:35,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:41:35,673 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:41:35,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:41:35,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1938311516, now seen corresponding path program 1 times [2022-03-15 20:41:35,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:41:35,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751597330] [2022-03-15 20:41:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:41:35,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:41:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:41:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:41:35,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:41:35,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751597330] [2022-03-15 20:41:35,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751597330] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:41:35,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:41:35,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:41:35,714 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [155779293] [2022-03-15 20:41:35,714 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:41:35,715 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:41:35,739 INFO L252 McrAutomatonBuilder]: Finished intersection with 383 states and 1345 transitions. [2022-03-15 20:41:35,740 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:41:37,328 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [19988#(not (= 1 set_4Thread1of1ForFork5_thidvar0))] [2022-03-15 20:41:37,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:41:37,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:41:37,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:41:37,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:37,334 INFO L87 Difference]: Start difference. First operand 655 states and 2473 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-03-15 20:41:37,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:41:37,367 INFO L93 Difference]: Finished difference Result 447 states and 1633 transitions. [2022-03-15 20:41:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:41:37,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) Word has length 22 [2022-03-15 20:41:37,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:41:37,370 INFO L225 Difference]: With dead ends: 447 [2022-03-15 20:41:37,371 INFO L226 Difference]: Without dead ends: 447 [2022-03-15 20:41:37,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:41:37,372 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 19 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:41:37,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 1 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:41:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-03-15 20:41:37,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2022-03-15 20:41:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 446 states have (on average 3.6614349775784754) internal successors, (1633), 446 states have internal predecessors, (1633), 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) [2022-03-15 20:41:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 1633 transitions. [2022-03-15 20:41:37,387 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 1633 transitions. Word has length 22 [2022-03-15 20:41:37,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:41:37,387 INFO L470 AbstractCegarLoop]: Abstraction has 447 states and 1633 transitions. [2022-03-15 20:41:37,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-03-15 20:41:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1633 transitions. [2022-03-15 20:41:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 20:41:37,389 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:41:37,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:41:37,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 20:41:37,389 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:41:37,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:41:37,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2119222970, now seen corresponding path program 1 times [2022-03-15 20:41:37,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:41:37,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814383524] [2022-03-15 20:41:37,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:41:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:41:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:41:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:41:37,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:41:37,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814383524] [2022-03-15 20:41:37,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814383524] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:41:37,690 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:41:37,690 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 20:41:37,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [805684507] [2022-03-15 20:41:37,691 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:41:37,692 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:41:37,715 INFO L252 McrAutomatonBuilder]: Finished intersection with 383 states and 1345 transitions. [2022-03-15 20:41:37,715 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:41:52,658 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 120 new interpolants: [21354#(and (< x4 (+ x5 1)) (< x3 1) (<= x5 x4) (<= x3 x4) (<= 0 x1) (< x1 1) (<= x0 x1) (< x4 (+ x3 1)) (<= x5 x6) (< x1 (+ x0 1)) (<= 0 x3) (< x6 (+ x5 1))), 21453#(and (<= x3 0) (<= x0 0) (<= 0 x0) (<= 0 x3)), 21458#(and (< x6 1) (<= 0 x6)), 21443#(and (<= x5 0) (<= 0 x5)), 21387#(and (<= x2 x1) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (< x1 (+ x0 1)) (< x1 (+ x2 1))), 21376#(and (< x3 1) (< x6 1) (<= 0 x1) (< x1 1) (<= x0 x1) (< x4 (+ x3 1)) (<= 0 x6) (< x1 (+ x0 1)) (<= 0 x4)), 21375#(and (<= x3 0) (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= x0 x1) (< x1 (+ x0 1)) (<= 0 x3)), 21383#(and (< x4 1) (< x6 1) (<= 0 x1) (< x1 1) (<= x0 x1) (<= 0 x6) (< x1 (+ x0 1)) (<= 0 x4)), 21413#(and (< x4 1) (<= 0 x1) (< x1 1) (<= 0 x4)), 21444#(and (< x3 1) (< x6 1) (<= x0 0) (<= 0 x0) (< x4 (+ x3 1)) (<= 0 x6) (<= 0 x4)), 21442#(and (<= x5 0) (<= 0 x5) (<= x5 x6) (< x6 (+ x5 1))), 21401#(and (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (<= 0 x1) (<= x5 x6) (< x1 (+ x2 1)) (< x6 (+ x5 1))), 21381#(and (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= x0 x1) (<= x5 x6) (< x1 (+ x0 1)) (< x6 (+ x5 1))), 21353#(and (< x6 1) (<= x3 0) (< x3 (+ x2 1)) (<= x2 x1) (<= x2 x3) (<= x0 x1) (< 0 (+ x3 1)) (<= 0 x6) (< x1 (+ x0 1)) (< x1 (+ x2 1))), 21415#(and (< x6 1) (< x3 (+ x2 1)) (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x6) (<= 0 x3)), 21388#(and (<= 0 x1) (< x1 1) (<= x0 x1) (< x1 (+ x0 1))), 21379#(and (<= x3 0) (< x3 (+ x2 1)) (<= x2 x1) (<= x2 x3) (<= x0 x1) (< 0 (+ x3 1)) (< x1 (+ x0 1)) (< x1 (+ x2 1))), 21385#(and (< x6 1) (<= x2 x1) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (<= 0 x6) (< x1 (+ x0 1)) (< x1 (+ x2 1))), 21431#(and (< x4 1) (<= x2 0) (<= 0 x4) (<= 0 x2)), 21361#(and (< x4 1) (< 0 (+ x5 1)) (<= x5 0) (<= x0 0) (<= 0 x0) (<= 0 x4)), 21394#(and (< x3 (+ x2 1)) (<= x2 x1) (< x1 1) (< 0 (+ x3 1))), 21436#(and (<= x3 0) (<= x5 0) (<= 0 x5) (<= x5 x6) (<= 0 x3) (< x6 (+ x5 1))), 21456#(and (< x6 1) (<= x3 0) (<= 0 x6) (<= 0 x3)), 21339#(and (<= x3 0) (< x3 (+ x2 1)) (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 x3) (<= x0 x1) (< 0 (+ x3 1)) (<= x5 x6) (< x1 (+ x0 1)) (< x1 (+ x2 1)) (< x6 (+ x5 1))), 21454#(and (< x6 1) (<= x0 0) (<= 0 x0) (<= 0 x6)), 21455#(and (<= x0 0) (<= 0 x0)), 21391#(and (< x3 1) (< x6 1) (<= 0 x1) (< x1 1) (< x4 (+ x3 1)) (<= 0 x6) (<= 0 x4)), 21407#(and (< x4 1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (<= 0 x1) (<= 0 x4) (< x1 (+ x2 1))), 21364#(and (< x3 (+ x2 1)) (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (< x1 1) (< 0 (+ x3 1))), 21402#(and (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= x5 x6) (< x6 (+ x5 1))), 21441#(and (<= x5 0) (<= x0 0) (<= 0 x0) (<= 0 x5)), 21437#(and (<= x3 0) (<= x5 0) (<= 0 x5) (<= 0 x3)), 21416#(and (< x6 1) (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x6) (<= 0 x2)), 21392#(and (< x6 1) (<= x3 0) (<= 0 x1) (< x1 1) (<= 0 x6) (<= 0 x3)), 21423#(and (< x4 1) (< x6 1) (<= x2 0) (<= 0 x6) (<= 0 x4) (<= 0 x2)), 21406#(and (< x6 1) (<= 0 x1) (< x1 1) (<= 0 x6)), 21359#(and (< x3 1) (< 0 (+ x5 1)) (<= x5 0) (<= x3 x4) (<= x0 0) (<= 0 x0) (< x4 (+ x3 1)) (<= 0 x3)), 21366#(and (< x6 1) (< x3 (+ x2 1)) (<= x2 x1) (< x1 1) (< 0 (+ x3 1)) (<= 0 x6)), 21399#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= x2 0) (<= 0 x1) (<= x5 x6) (<= 0 x4) (< x1 (+ x2 1)) (< x6 (+ x5 1))), 21373#(and (< x4 1) (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x4) (<= 0 x2)), 21447#(and (< x4 1) (<= x0 0) (<= 0 x0) (<= 0 x4)), 21408#(and (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (<= 0 x1) (< x1 (+ x2 1))), 21340#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= x2 x1) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (<= x5 x6) (< x1 (+ x0 1)) (<= 0 x4) (< x1 (+ x2 1)) (< x6 (+ x5 1))), 21417#(and (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x2)), 21422#(and (< x6 1) (< x3 (+ x2 1)) (<= x2 0) (< x4 (+ x3 1)) (<= 0 x6) (<= 0 x4)), 21352#(and (< x4 1) (< x6 1) (< x3 (+ x2 1)) (<= x2 x1) (<= x2 x3) (<= x3 x4) (<= x0 x1) (< x4 (+ x3 1)) (<= 0 x6) (< x1 (+ x0 1)) (<= 0 x4) (< x1 (+ x2 1))), 21362#(and (< x3 (+ x2 1)) (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 x3) (<= x3 x4) (<= 0 x1) (< x1 1) (< x4 (+ x3 1)) (< x1 (+ x2 1))), 21420#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= x2 0) (<= x5 x6) (<= 0 x4) (< x6 (+ x5 1)) (<= 0 x2)), 21344#(and (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (<= x5 x6) (< x1 (+ x0 1)) (< x1 (+ x2 1)) (< x6 (+ x5 1))), 21411#(and (< x4 1) (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= 0 x4)), 21351#(and (< x4 (+ x5 1)) (<= x5 x4) (< x3 (+ x2 1)) (<= x2 x1) (<= x2 x3) (<= x3 x4) (<= 0 x1) (< x1 1) (< x4 (+ x3 1)) (<= x5 x6) (< x1 (+ x2 1)) (< x6 (+ x5 1))), 21343#(and (<= x3 0) (< x3 (+ x2 1)) (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 x3) (<= x0 x1) (< 0 (+ x3 1)) (< x1 (+ x0 1)) (< x1 (+ x2 1))), 21363#(and (< x3 (+ x2 1)) (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (< x1 1) (< 0 (+ x3 1)) (<= x5 x6) (< x6 (+ x5 1))), 21377#(and (< x3 1) (<= 0 x1) (< x1 1) (<= x0 x1) (< x4 (+ x3 1)) (< x1 (+ x0 1)) (<= 0 x4)), 21405#(and (< x6 1) (<= x2 0) (<= 0 x1) (<= 0 x6) (< x1 (+ x2 1))), 21349#(and (<= x5 0) (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x5) (<= x5 x6) (< x6 (+ x5 1)) (<= 0 x2)), 21398#(and (<= x3 0) (<= 0 x1) (< x1 1) (<= 0 x3)), 21424#(and (< x6 1) (< x3 (+ x2 1)) (<= x2 0) (<= 0 x6) (<= 0 x3)), 21389#(and (< x4 (+ x5 1)) (< x3 1) (<= x5 x4) (<= x3 x4) (<= 0 x1) (< x1 1) (< x4 (+ x3 1)) (<= x5 x6) (<= 0 x3) (< x6 (+ x5 1))), 21435#(and (<= x3 0) (<= x5 0) (<= x0 0) (<= 0 x0) (<= 0 x5) (<= 0 x3)), 21368#(and (< x4 1) (< x6 1) (<= x2 x1) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (<= 0 x6) (< x1 (+ x0 1)) (<= 0 x4) (< x1 (+ x2 1))), 21346#(and (< x3 (+ x2 1)) (< 0 (+ x5 1)) (<= x5 0) (<= x2 x3) (<= x2 0) (<= x3 x4) (<= x0 0) (<= 0 x0) (< x4 (+ x3 1)) (<= 0 x2)), 21446#(and (< x4 1) (< x6 1) (<= x0 0) (<= 0 x0) (<= 0 x6) (<= 0 x4)), 21342#(and (< x4 1) (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (< x1 (+ x0 1)) (<= 0 x4) (< x1 (+ x2 1))), 21358#(and (< x3 1) (< 0 (+ x5 1)) (<= x5 0) (<= x3 x4) (<= 0 x1) (< x1 1) (<= x0 x1) (< x4 (+ x3 1)) (< x1 (+ x0 1)) (<= 0 x3)), 21397#(and (< x3 1) (<= 0 x1) (< x1 1) (< x4 (+ x3 1)) (<= 0 x4)), 21439#(and (< x4 1) (< 0 (+ x5 1)) (<= x5 0) (<= 0 x4)), 21341#(and (< x4 (+ x5 1)) (<= x5 x4) (< x3 (+ x2 1)) (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 x3) (<= x3 x4) (<= x0 x1) (< x4 (+ x3 1)) (< x1 (+ x0 1)) (< x1 (+ x2 1))), 21378#(and (< x6 1) (<= x3 0) (<= 0 x1) (< x1 1) (<= x0 x1) (<= 0 x6) (< x1 (+ x0 1)) (<= 0 x3)), 21396#(and (<= x3 0) (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= 0 x3)), 21370#(and (< x6 1) (< x3 (+ x2 1)) (<= x2 0) (<= x0 0) (<= 0 x0) (< x4 (+ x3 1)) (<= 0 x6) (<= 0 x4)), 21386#(and (< x6 1) (<= 0 x1) (< x1 1) (<= x0 x1) (<= 0 x6) (< x1 (+ x0 1))), 21449#(and (< x3 1) (< x4 (+ x3 1)) (<= 0 x4)), 21367#(and (< x4 1) (< x3 (+ x2 1)) (<= x2 x1) (<= x2 x3) (<= x3 x4) (<= x0 x1) (< x4 (+ x3 1)) (< x1 (+ x0 1)) (<= 0 x4) (< x1 (+ x2 1))), 21419#(and (< x3 (+ x2 1)) (<= x5 0) (<= x2 0) (<= 0 x5) (<= x5 x6) (<= 0 x3) (< x6 (+ x5 1))), 21410#(and (<= x2 0) (<= 0 x1) (< x1 (+ x2 1))), 21434#(and (<= x3 0) (<= x5 0) (<= x0 0) (<= 0 x0) (<= 0 x5) (<= x5 x6) (<= 0 x3) (< x6 (+ x5 1))), 21440#(and (<= x5 0) (<= x0 0) (<= 0 x0) (<= 0 x5) (<= x5 x6) (< x6 (+ x5 1))), 21345#(and (<= x2 x1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (< x1 (+ x0 1)) (< x1 (+ x2 1))), 21427#(and (< x3 (+ x2 1)) (<= x5 0) (<= x2 0) (<= 0 x5) (<= 0 x3)), 21350#(and (<= x5 0) (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x5) (<= 0 x2)), 21347#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= x2 0) (<= x0 0) (<= 0 x0) (<= x5 x6) (<= 0 x4) (< x6 (+ x5 1)) (<= 0 x2)), 21393#(and (< x3 (+ x2 1)) (<= x2 x1) (< x1 1) (< x4 (+ x3 1)) (<= 0 x4)), 21421#(and (<= x5 0) (<= x2 0) (<= 0 x5) (<= x5 x6) (< x6 (+ x5 1)) (<= 0 x2)), 21382#(and (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= x0 x1) (< x1 (+ x0 1))), 21429#(and (< x4 1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (<= 0 x4) (<= 0 x2)), 21450#(and (< x4 1) (< x6 1) (<= 0 x6) (<= 0 x4)), 21390#(and (<= x3 0) (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= x5 x6) (<= 0 x3) (< x6 (+ x5 1))), 21445#(and (< x3 1) (<= x0 0) (<= 0 x0) (< x4 (+ x3 1)) (<= 0 x4)), 21355#(and (< x4 (+ x5 1)) (< x3 1) (<= x5 x4) (<= x3 x4) (<= x0 0) (<= 0 x0) (< x4 (+ x3 1)) (<= x5 x6) (<= 0 x3) (< x6 (+ x5 1))), 21371#(and (< x3 (+ x2 1)) (<= x2 0) (<= x0 0) (<= 0 x0) (< x4 (+ x3 1)) (<= 0 x4)), 21448#(and (< x3 1) (< x6 1) (< x4 (+ x3 1)) (<= 0 x6) (<= 0 x4)), 21357#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= x0 0) (<= 0 x0) (<= x5 x6) (<= 0 x4) (< x6 (+ x5 1))), 21348#(and (< x4 1) (< 0 (+ x5 1)) (<= x5 0) (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x4) (<= 0 x2)), 21360#(and (< x4 1) (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= x0 x1) (< x1 (+ x0 1)) (<= 0 x4)), 21400#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= 0 x1) (< x1 1) (<= x5 x6) (<= 0 x4) (< x6 (+ x5 1))), 21412#(and (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1)), 21372#(and (< x4 1) (< x6 1) (<= x2 0) (<= x0 0) (<= 0 x0) (<= 0 x6) (<= 0 x4) (<= 0 x2)), 21404#(and (< x4 1) (< x6 1) (<= 0 x1) (< x1 1) (<= 0 x6) (<= 0 x4)), 21380#(and (<= x3 0) (<= 0 x1) (< x1 1) (<= x0 x1) (< x1 (+ x0 1)) (<= 0 x3)), 21426#(and (< x3 (+ x2 1)) (< 0 (+ x5 1)) (<= x5 0) (<= x2 x3) (<= x2 0) (<= x3 x4) (< x4 (+ x3 1)) (<= 0 x2)), 21418#(and (< x4 (+ x5 1)) (<= x5 x4) (< x3 (+ x2 1)) (<= x2 x3) (<= x2 0) (<= x3 x4) (< x4 (+ x3 1)) (<= x5 x6) (< x6 (+ x5 1)) (<= 0 x2)), 21432#(and (< x4 (+ x5 1)) (< x3 1) (<= x5 x4) (<= x3 x4) (< x4 (+ x3 1)) (<= x5 x6) (<= 0 x3) (< x6 (+ x5 1))), 21414#(and (<= 0 x1) (< x1 1)), 21395#(and (< x3 1) (< 0 (+ x5 1)) (<= x5 0) (<= x3 x4) (<= 0 x1) (< x1 1) (< x4 (+ x3 1)) (<= 0 x3)), 21384#(and (< x4 1) (<= 0 x1) (< x1 1) (<= x0 x1) (< x1 (+ x0 1)) (<= 0 x4)), 21365#(and (< x6 1) (< x3 (+ x2 1)) (<= x2 x1) (< x1 1) (< x4 (+ x3 1)) (<= 0 x6) (<= 0 x4)), 21409#(and (< x4 1) (<= x2 0) (<= 0 x1) (<= 0 x4) (< x1 (+ x2 1))), 21374#(and (<= x3 0) (< 0 (+ x5 1)) (<= x5 0) (<= 0 x1) (< x1 1) (<= x0 x1) (<= x5 x6) (< x1 (+ x0 1)) (<= 0 x3) (< x6 (+ x5 1))), 21433#(and (< x3 1) (< 0 (+ x5 1)) (<= x5 0) (<= x3 x4) (< x4 (+ x3 1)) (<= 0 x3)), 21428#(and (< x3 (+ x2 1)) (<= x2 0) (< x4 (+ x3 1)) (<= 0 x4)), 21403#(and (< x4 1) (< x6 1) (<= x2 0) (<= 0 x1) (<= 0 x6) (<= 0 x4) (< x1 (+ x2 1))), 21430#(and (<= x5 0) (<= x2 0) (<= 0 x5) (<= 0 x2)), 21451#(and (< x4 1) (<= 0 x4)), 21452#(and (< x6 1) (<= x3 0) (<= x0 0) (<= 0 x0) (<= 0 x6) (<= 0 x3)), 21369#(and (< x4 1) (<= x2 x1) (<= x2 0) (< 0 (+ x2 1)) (<= x0 x1) (< x1 (+ x0 1)) (<= 0 x4) (< x1 (+ x2 1))), 21438#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= x5 x6) (<= 0 x4) (< x6 (+ x5 1))), 21356#(and (< x4 (+ x5 1)) (< x4 1) (<= x5 x4) (<= 0 x1) (< x1 1) (<= x0 x1) (<= x5 x6) (< x1 (+ x0 1)) (<= 0 x4) (< x6 (+ x5 1))), 21425#(and (< x6 1) (<= x2 0) (<= 0 x6) (<= 0 x2)), 21457#(and (<= x3 0) (<= 0 x3))] [2022-03-15 20:41:52,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2022-03-15 20:41:52,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:41:52,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2022-03-15 20:41:52,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2061, Invalid=14451, Unknown=0, NotChecked=0, Total=16512 [2022-03-15 20:41:52,666 INFO L87 Difference]: Start difference. First operand 447 states and 1633 transitions. Second operand has 129 states, 128 states have (on average 5.4921875) internal successors, (703), 129 states have internal predecessors, (703), 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) [2022-03-15 20:41:58,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:41:58,213 INFO L93 Difference]: Finished difference Result 446 states and 1632 transitions. [2022-03-15 20:41:58,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-03-15 20:41:58,213 INFO L78 Accepts]: Start accepts. Automaton has has 129 states, 128 states have (on average 5.4921875) internal successors, (703), 129 states have internal predecessors, (703), 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) Word has length 22 [2022-03-15 20:41:58,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:41:58,214 INFO L225 Difference]: With dead ends: 446 [2022-03-15 20:41:58,214 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:41:58,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 239 SyntacticMatches, 2 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9046 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2190, Invalid=14580, Unknown=0, NotChecked=0, Total=16770 [2022-03-15 20:41:58,218 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 926 mSDsluCounter, 9925 mSDsCounter, 0 mSdLazyCounter, 13284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 13284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:41:58,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [926 Valid, 0 Invalid, 13284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13284 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-03-15 20:41:58,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:41:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:41:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-03-15 20:41:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:41:58,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-03-15 20:41:58,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:41:58,219 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:41:58,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 128 states have (on average 5.4921875) internal successors, (703), 129 states have internal predecessors, (703), 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) [2022-03-15 20:41:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:41:58,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:41:58,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (7 of 8 remaining) [2022-03-15 20:41:58,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 8 remaining) [2022-03-15 20:41:58,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (5 of 8 remaining) [2022-03-15 20:41:58,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (4 of 8 remaining) [2022-03-15 20:41:58,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (3 of 8 remaining) [2022-03-15 20:41:58,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION (2 of 8 remaining) [2022-03-15 20:41:58,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION (1 of 8 remaining) [2022-03-15 20:41:58,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION (0 of 8 remaining) [2022-03-15 20:41:58,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:41:58,225 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-03-15 20:41:58,227 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:41:58,227 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:41:58,229 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:41:58 BasicIcfg [2022-03-15 20:41:58,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:41:58,229 INFO L158 Benchmark]: Toolchain (without parser) took 31198.33ms. Allocated memory was 179.3MB in the beginning and 392.2MB in the end (delta: 212.9MB). Free memory was 143.5MB in the beginning and 331.9MB in the end (delta: -188.4MB). Peak memory consumption was 25.4MB. Max. memory is 8.0GB. [2022-03-15 20:41:58,230 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:41:58,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.86ms. Allocated memory is still 179.3MB. Free memory was 143.4MB in the beginning and 141.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:41:58,230 INFO L158 Benchmark]: Boogie Preprocessor took 15.84ms. Allocated memory is still 179.3MB. Free memory was 141.9MB in the beginning and 141.0MB in the end (delta: 891.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:41:58,230 INFO L158 Benchmark]: RCFGBuilder took 248.83ms. Allocated memory is still 179.3MB. Free memory was 140.9MB in the beginning and 131.5MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-15 20:41:58,231 INFO L158 Benchmark]: TraceAbstraction took 30907.33ms. Allocated memory was 179.3MB in the beginning and 392.2MB in the end (delta: 212.9MB). Free memory was 131.0MB in the beginning and 331.9MB in the end (delta: -201.0MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-03-15 20:41:58,232 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 0.13ms. Allocated memory is still 179.3MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.86ms. Allocated memory is still 179.3MB. Free memory was 143.4MB in the beginning and 141.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.84ms. Allocated memory is still 179.3MB. Free memory was 141.9MB in the beginning and 141.0MB in the end (delta: 891.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 248.83ms. Allocated memory is still 179.3MB. Free memory was 140.9MB in the beginning and 131.5MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 30907.33ms. Allocated memory was 179.3MB in the beginning and 392.2MB in the end (delta: 212.9MB). Free memory was 131.0MB in the beginning and 331.9MB in the end (delta: -201.0MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 60 PlacesBefore, 52 PlacesAfterwards, 80 TransitionsBefore, 72 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 3619 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3619, positive: 3619, positive conditional: 0, positive unconditional: 3619, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 642, positive: 642, positive conditional: 0, positive unconditional: 642, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3619, positive: 2977, positive conditional: 0, positive unconditional: 2977, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 294, Positive cache size: 294, Positive conditional cache size: 0, Positive unconditional cache size: 294, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 15 procedures, 67 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 30.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1219 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1219 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9975 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13584 IncrementalHoareTripleChecker+Invalid, 13599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 5 mSDtfsCounter, 13584 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2184 GetRequests, 2044 SyntacticMatches, 2 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9046 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2315occurred in iteration=0, InterpolantAutomatonStates: 144, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:41:58,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...