/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:22:21,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:22:21,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:22:22,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:22:22,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 20:22:22,097 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:22:22,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:22:22,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:22:22,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:22:22,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:22:22,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:22:22,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:22:22,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:22:22,099 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:22:22,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:22:22,099 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:22:22,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:22:22,104 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:22:22,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:22:22,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:22:22,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:22:22,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:22:22,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:22:22,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:22:22,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:22:22,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:22:22,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:22:22,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:22:22,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:22:22,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:22:22,107 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:22:22,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:22:22,107 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:22:22,107 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:22:22,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:22:22,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:22:22,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:22:22,338 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:22:22,338 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:22:22,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2023-04-01 20:22:23,850 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:22:24,115 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:22:24,116 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2023-04-01 20:22:24,130 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525a4b194/cea2c68238e34ffa9e8d245371c33d39/FLAGc9a27ed83 [2023-04-01 20:22:24,151 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525a4b194/cea2c68238e34ffa9e8d245371c33d39 [2023-04-01 20:22:24,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:22:24,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:22:24,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:22:24,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:22:24,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:22:24,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31018737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24, skipping insertion in model container [2023-04-01 20:22:24,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:22:24,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:22:24,475 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label35.c[16104,16117] [2023-04-01 20:22:24,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:22:24,538 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:22:24,603 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label35.c[16104,16117] [2023-04-01 20:22:24,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:22:24,630 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:22:24,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24 WrapperNode [2023-04-01 20:22:24,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:22:24,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:22:24,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:22:24,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:22:24,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:22:24,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:22:24,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:22:24,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:22:24,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (1/1) ... [2023-04-01 20:22:24,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:22:24,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:24,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 20:22:24,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 20:22:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:22:24,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:22:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:22:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:22:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:22:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:22:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:22:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:22:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:22:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:22:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:22:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:22:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:22:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:22:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:22:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:22:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:22:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:22:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:22:24,877 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:22:24,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:22:25,742 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:22:25,758 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:22:25,758 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:22:25,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:22:25 BoogieIcfgContainer [2023-04-01 20:22:25,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:22:25,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:22:25,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:22:25,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:22:25,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:22:24" (1/3) ... [2023-04-01 20:22:25,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d570da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:22:25, skipping insertion in model container [2023-04-01 20:22:25,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:24" (2/3) ... [2023-04-01 20:22:25,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d570da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:22:25, skipping insertion in model container [2023-04-01 20:22:25,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:22:25" (3/3) ... [2023-04-01 20:22:25,771 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label35.c [2023-04-01 20:22:25,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:22:25,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:22:25,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:22:25,841 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@154099ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:22:25,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:22:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 20:22:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-04-01 20:22:25,854 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:25,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:25,856 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:25,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:25,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1326428697, now seen corresponding path program 1 times [2023-04-01 20:22:25,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:25,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846646193] [2023-04-01 20:22:25,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:25,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:26,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:26,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846646193] [2023-04-01 20:22:26,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846646193] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:26,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:26,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 20:22:26,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107398950] [2023-04-01 20:22:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:26,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:22:26,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:26,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:22:26,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 20:22:26,721 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:22:27,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:27,916 INFO L93 Difference]: Finished difference Result 671 states and 1125 transitions. [2023-04-01 20:22:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:22:27,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2023-04-01 20:22:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:27,930 INFO L225 Difference]: With dead ends: 671 [2023-04-01 20:22:27,930 INFO L226 Difference]: Without dead ends: 341 [2023-04-01 20:22:27,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:22:27,939 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 537 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:27,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 41 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 20:22:27,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-04-01 20:22:28,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2023-04-01 20:22:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 322 states have (on average 1.4565217391304348) internal successors, (469), 324 states have internal predecessors, (469), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:22:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 480 transitions. [2023-04-01 20:22:28,015 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 480 transitions. Word has length 100 [2023-04-01 20:22:28,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:28,016 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 480 transitions. [2023-04-01 20:22:28,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:22:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 480 transitions. [2023-04-01 20:22:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-01 20:22:28,021 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:28,021 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:28,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:22:28,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:28,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:28,022 INFO L85 PathProgramCache]: Analyzing trace with hash -283828275, now seen corresponding path program 1 times [2023-04-01 20:22:28,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:28,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041508104] [2023-04-01 20:22:28,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:28,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:28,700 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:28,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:28,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041508104] [2023-04-01 20:22:28,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041508104] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:28,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586205714] [2023-04-01 20:22:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:28,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:28,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:28,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 20:22:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:28,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:28,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:29,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:29,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586205714] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:29,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:29,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:22:29,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84207399] [2023-04-01 20:22:29,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:29,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:29,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:29,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:29,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:29,019 INFO L87 Difference]: Start difference. First operand 332 states and 480 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:22:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:29,383 INFO L93 Difference]: Finished difference Result 951 states and 1399 transitions. [2023-04-01 20:22:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:29,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2023-04-01 20:22:29,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:29,394 INFO L225 Difference]: With dead ends: 951 [2023-04-01 20:22:29,394 INFO L226 Difference]: Without dead ends: 625 [2023-04-01 20:22:29,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:29,401 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 128 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:29,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 58 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:22:29,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-04-01 20:22:29,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 479. [2023-04-01 20:22:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 466 states have (on average 1.4742489270386265) internal successors, (687), 469 states have internal predecessors, (687), 5 states have call successors, (5), 5 states have call predecessors, (5), 7 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-01 20:22:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 706 transitions. [2023-04-01 20:22:29,430 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 706 transitions. Word has length 108 [2023-04-01 20:22:29,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:29,431 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 706 transitions. [2023-04-01 20:22:29,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:22:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 706 transitions. [2023-04-01 20:22:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 20:22:29,436 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:29,436 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:29,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 20:22:29,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:29,643 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:29,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:29,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1632239449, now seen corresponding path program 1 times [2023-04-01 20:22:29,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:29,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97131671] [2023-04-01 20:22:29,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:29,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:29,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:29,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:29,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97131671] [2023-04-01 20:22:29,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97131671] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:29,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:29,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:22:29,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871119433] [2023-04-01 20:22:29,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:29,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:22:29,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:29,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:22:29,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:29,918 INFO L87 Difference]: Start difference. First operand 479 states and 706 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:31,341 INFO L93 Difference]: Finished difference Result 1724 states and 2620 transitions. [2023-04-01 20:22:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 20:22:31,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 115 [2023-04-01 20:22:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:31,347 INFO L225 Difference]: With dead ends: 1724 [2023-04-01 20:22:31,348 INFO L226 Difference]: Without dead ends: 1251 [2023-04-01 20:22:31,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-04-01 20:22:31,350 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 969 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:31,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 85 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 20:22:31,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-04-01 20:22:31,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1232. [2023-04-01 20:22:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1199 states have (on average 1.4095079232693912) internal successors, (1690), 1212 states have internal predecessors, (1690), 10 states have call successors, (10), 10 states have call predecessors, (10), 22 states have return successors, (70), 9 states have call predecessors, (70), 9 states have call successors, (70) [2023-04-01 20:22:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2023-04-01 20:22:31,420 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 115 [2023-04-01 20:22:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:31,422 INFO L495 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2023-04-01 20:22:31,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2023-04-01 20:22:31,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-01 20:22:31,436 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:31,437 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:31,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 20:22:31,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:31,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:31,437 INFO L85 PathProgramCache]: Analyzing trace with hash 169407603, now seen corresponding path program 1 times [2023-04-01 20:22:31,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:31,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744770540] [2023-04-01 20:22:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:31,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:22:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:22:31,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:31,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744770540] [2023-04-01 20:22:31,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744770540] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:31,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184834292] [2023-04-01 20:22:31,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:31,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:31,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:31,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:31,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 20:22:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:31,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:31,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:31,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:32,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184834292] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:32,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:32,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-04-01 20:22:32,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386683859] [2023-04-01 20:22:32,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:32,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:22:32,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:32,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:22:32,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:32,026 INFO L87 Difference]: Start difference. First operand 1232 states and 1770 transitions. Second operand has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 10 states have internal predecessors, (143), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:33,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:33,015 INFO L93 Difference]: Finished difference Result 2459 states and 3602 transitions. [2023-04-01 20:22:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:22:33,017 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 10 states have internal predecessors, (143), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 123 [2023-04-01 20:22:33,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:33,025 INFO L225 Difference]: With dead ends: 2459 [2023-04-01 20:22:33,025 INFO L226 Difference]: Without dead ends: 1233 [2023-04-01 20:22:33,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 250 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-04-01 20:22:33,029 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1293 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:33,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 55 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 20:22:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2023-04-01 20:22:33,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 919. [2023-04-01 20:22:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 896 states have (on average 1.3761160714285714) internal successors, (1233), 903 states have internal predecessors, (1233), 8 states have call successors, (8), 8 states have call predecessors, (8), 14 states have return successors, (39), 7 states have call predecessors, (39), 7 states have call successors, (39) [2023-04-01 20:22:33,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1280 transitions. [2023-04-01 20:22:33,074 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1280 transitions. Word has length 123 [2023-04-01 20:22:33,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:33,075 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1280 transitions. [2023-04-01 20:22:33,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 10 states have internal predecessors, (143), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1280 transitions. [2023-04-01 20:22:33,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-01 20:22:33,082 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:33,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:33,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:33,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-01 20:22:33,289 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:33,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:33,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1913289790, now seen corresponding path program 1 times [2023-04-01 20:22:33,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:33,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688302536] [2023-04-01 20:22:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:33,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:33,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:33,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688302536] [2023-04-01 20:22:33,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688302536] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:33,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108581636] [2023-04-01 20:22:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:33,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:33,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:33,807 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:33,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 20:22:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:33,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:33,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:34,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:34,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108581636] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:34,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:34,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:22:34,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111681784] [2023-04-01 20:22:34,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:34,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:34,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:34,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:34,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:34,037 INFO L87 Difference]: Start difference. First operand 919 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:22:34,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:34,422 INFO L93 Difference]: Finished difference Result 2712 states and 3856 transitions. [2023-04-01 20:22:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:34,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 126 [2023-04-01 20:22:34,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:34,430 INFO L225 Difference]: With dead ends: 2712 [2023-04-01 20:22:34,430 INFO L226 Difference]: Without dead ends: 1799 [2023-04-01 20:22:34,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:34,433 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 56 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:34,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 101 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:22:34,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2023-04-01 20:22:34,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1511. [2023-04-01 20:22:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1473 states have (on average 1.2559402579769179) internal successors, (1850), 1487 states have internal predecessors, (1850), 12 states have call successors, (12), 12 states have call predecessors, (12), 25 states have return successors, (91), 11 states have call predecessors, (91), 11 states have call successors, (91) [2023-04-01 20:22:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 1953 transitions. [2023-04-01 20:22:34,479 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 1953 transitions. Word has length 126 [2023-04-01 20:22:34,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:34,480 INFO L495 AbstractCegarLoop]: Abstraction has 1511 states and 1953 transitions. [2023-04-01 20:22:34,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:22:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1953 transitions. [2023-04-01 20:22:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-01 20:22:34,483 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:34,483 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:34,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:34,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:34,690 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:34,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:34,690 INFO L85 PathProgramCache]: Analyzing trace with hash 626717076, now seen corresponding path program 1 times [2023-04-01 20:22:34,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:34,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218965368] [2023-04-01 20:22:34,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:34,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:22:34,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218965368] [2023-04-01 20:22:34,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218965368] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579877309] [2023-04-01 20:22:34,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:34,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:34,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:34,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:34,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 20:22:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:34,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:34,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:35,056 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:35,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579877309] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:35,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:35,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:22:35,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495483443] [2023-04-01 20:22:35,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:35,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:22:35,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:35,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:22:35,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:35,175 INFO L87 Difference]: Start difference. First operand 1511 states and 1953 transitions. Second operand has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 10 states have internal predecessors, (188), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:38,004 INFO L93 Difference]: Finished difference Result 6050 states and 8646 transitions. [2023-04-01 20:22:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 20:22:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 10 states have internal predecessors, (188), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 139 [2023-04-01 20:22:38,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:38,028 INFO L225 Difference]: With dead ends: 6050 [2023-04-01 20:22:38,028 INFO L226 Difference]: Without dead ends: 4545 [2023-04-01 20:22:38,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 289 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2023-04-01 20:22:38,033 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 1797 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 3136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:38,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 153 Invalid, 3136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 2603 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 20:22:38,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4545 states. [2023-04-01 20:22:38,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4545 to 4181. [2023-04-01 20:22:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4181 states, 4065 states have (on average 1.1544895448954489) internal successors, (4693), 4121 states have internal predecessors, (4693), 30 states have call successors, (30), 30 states have call predecessors, (30), 85 states have return successors, (382), 29 states have call predecessors, (382), 29 states have call successors, (382) [2023-04-01 20:22:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 4181 states and 5105 transitions. [2023-04-01 20:22:38,174 INFO L78 Accepts]: Start accepts. Automaton has 4181 states and 5105 transitions. Word has length 139 [2023-04-01 20:22:38,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:38,174 INFO L495 AbstractCegarLoop]: Abstraction has 4181 states and 5105 transitions. [2023-04-01 20:22:38,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 10 states have internal predecessors, (188), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4181 states and 5105 transitions. [2023-04-01 20:22:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-01 20:22:38,184 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:38,185 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:38,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:38,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:38,391 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:38,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash -146294241, now seen corresponding path program 1 times [2023-04-01 20:22:38,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:38,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611710370] [2023-04-01 20:22:38,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:38,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-01 20:22:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-01 20:22:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-01 20:22:38,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:38,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611710370] [2023-04-01 20:22:38,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611710370] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:38,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438500507] [2023-04-01 20:22:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:38,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:38,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:38,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:38,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 20:22:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:38,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:22:38,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 89 proven. 45 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-01 20:22:38,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438500507] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:38,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:38,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-04-01 20:22:38,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818305421] [2023-04-01 20:22:38,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:38,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:22:38,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:22:38,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:22:38,998 INFO L87 Difference]: Start difference. First operand 4181 states and 5105 transitions. Second operand has 11 states, 11 states have (on average 19.09090909090909) internal successors, (210), 9 states have internal predecessors, (210), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:22:39,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:39,959 INFO L93 Difference]: Finished difference Result 7806 states and 9563 transitions. [2023-04-01 20:22:39,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:22:39,960 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 19.09090909090909) internal successors, (210), 9 states have internal predecessors, (210), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 188 [2023-04-01 20:22:39,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:39,973 INFO L225 Difference]: With dead ends: 7806 [2023-04-01 20:22:39,974 INFO L226 Difference]: Without dead ends: 3723 [2023-04-01 20:22:39,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 384 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-01 20:22:39,983 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 796 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:39,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 90 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 20:22:39,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2023-04-01 20:22:40,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3715. [2023-04-01 20:22:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3715 states, 3619 states have (on average 1.0961591599889473) internal successors, (3967), 3661 states have internal predecessors, (3967), 27 states have call successors, (27), 27 states have call predecessors, (27), 68 states have return successors, (232), 26 states have call predecessors, (232), 26 states have call successors, (232) [2023-04-01 20:22:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3715 states to 3715 states and 4226 transitions. [2023-04-01 20:22:40,117 INFO L78 Accepts]: Start accepts. Automaton has 3715 states and 4226 transitions. Word has length 188 [2023-04-01 20:22:40,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:40,117 INFO L495 AbstractCegarLoop]: Abstraction has 3715 states and 4226 transitions. [2023-04-01 20:22:40,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.09090909090909) internal successors, (210), 9 states have internal predecessors, (210), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:22:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3715 states and 4226 transitions. [2023-04-01 20:22:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-01 20:22:40,123 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:40,124 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:40,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:40,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:40,341 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:40,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:40,341 INFO L85 PathProgramCache]: Analyzing trace with hash 984913063, now seen corresponding path program 1 times [2023-04-01 20:22:40,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:40,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683202894] [2023-04-01 20:22:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:22:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-01 20:22:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-01 20:22:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-04-01 20:22:40,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:40,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683202894] [2023-04-01 20:22:40,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683202894] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:40,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323294323] [2023-04-01 20:22:40,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:40,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:40,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:40,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:40,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 20:22:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:40,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-01 20:22:40,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-01 20:22:41,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323294323] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:41,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:41,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:22:41,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239306480] [2023-04-01 20:22:41,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:41,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:22:41,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:41,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:22:41,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:41,126 INFO L87 Difference]: Start difference. First operand 3715 states and 4226 transitions. Second operand has 12 states, 12 states have (on average 18.0) internal successors, (216), 10 states have internal predecessors, (216), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 20:22:43,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:43,852 INFO L93 Difference]: Finished difference Result 7763 states and 8858 transitions. [2023-04-01 20:22:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-04-01 20:22:43,853 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 18.0) internal successors, (216), 10 states have internal predecessors, (216), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 192 [2023-04-01 20:22:43,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:43,869 INFO L225 Difference]: With dead ends: 7763 [2023-04-01 20:22:43,869 INFO L226 Difference]: Without dead ends: 4023 [2023-04-01 20:22:43,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 411 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2023-04-01 20:22:43,877 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1778 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 3194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:43,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 178 Invalid, 3194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 2948 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 20:22:43,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2023-04-01 20:22:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 3718. [2023-04-01 20:22:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 3621 states have (on average 1.0510908588787629) internal successors, (3806), 3664 states have internal predecessors, (3806), 27 states have call successors, (27), 27 states have call predecessors, (27), 69 states have return successors, (171), 26 states have call predecessors, (171), 26 states have call successors, (171) [2023-04-01 20:22:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4004 transitions. [2023-04-01 20:22:43,970 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4004 transitions. Word has length 192 [2023-04-01 20:22:43,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:43,970 INFO L495 AbstractCegarLoop]: Abstraction has 3718 states and 4004 transitions. [2023-04-01 20:22:43,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.0) internal successors, (216), 10 states have internal predecessors, (216), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 20:22:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4004 transitions. [2023-04-01 20:22:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-04-01 20:22:43,978 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:43,978 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:43,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:44,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:44,185 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:44,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1503252962, now seen corresponding path program 1 times [2023-04-01 20:22:44,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:44,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916060988] [2023-04-01 20:22:44,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:22:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-01 20:22:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-01 20:22:44,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:44,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916060988] [2023-04-01 20:22:44,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916060988] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:44,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938957797] [2023-04-01 20:22:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:44,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:44,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:44,501 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:44,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 20:22:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:44,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-04-01 20:22:44,770 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:44,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938957797] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:44,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:44,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 20:22:44,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598891127] [2023-04-01 20:22:44,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:44,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:44,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:44,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:44,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:44,774 INFO L87 Difference]: Start difference. First operand 3718 states and 4004 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:22:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:45,106 INFO L93 Difference]: Finished difference Result 5228 states and 5614 transitions. [2023-04-01 20:22:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:45,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 254 [2023-04-01 20:22:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:45,107 INFO L225 Difference]: With dead ends: 5228 [2023-04-01 20:22:45,107 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:22:45,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:45,117 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 65 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:45,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 43 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:22:45,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:22:45,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:22:45,118 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) [2023-04-01 20:22:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:22:45,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2023-04-01 20:22:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:45,118 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:22:45,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:22:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:22:45,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:22:45,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:22:45,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:45,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:45,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:22:48,811 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:22:48,811 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:22:48,811 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:22:48,811 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:48,812 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 9)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (<= ~a17~0 8)) (.cse4 (= ~a25~0 0)) (.cse7 (= ~a25~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse10 (<= 8 |old(~a17~0)|)) (.cse5 (<= 10 ~a28~0)) (.cse8 (= ~a17~0 8)) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse4) (not (= |old(~a19~0)| 1)) (and .cse7 .cse1 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse8 .cse7 .cse6 .cse9 .cse10) (not (= 8 |old(~a17~0)|)) (and .cse0 (<= ~a28~0 8) .cse2 .cse4) (and .cse8 .cse7 .cse3 .cse9 .cse10) (and .cse5 .cse8 .cse6 .cse3))) [2023-04-01 20:22:48,812 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-04-01 20:22:48,812 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-04-01 20:22:48,812 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-04-01 20:22:48,812 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 9)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (<= ~a17~0 8)) (.cse4 (= ~a25~0 0)) (.cse7 (= ~a25~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse10 (<= 8 |old(~a17~0)|)) (.cse5 (<= 10 ~a28~0)) (.cse8 (= ~a17~0 8)) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse4) (not (= |old(~a19~0)| 1)) (and .cse7 .cse1 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse8 .cse7 .cse6 .cse9 .cse10) (not (= 8 |old(~a17~0)|)) (and .cse0 (<= ~a28~0 8) .cse2 .cse4) (and .cse8 .cse7 .cse3 .cse9 .cse10) (and .cse5 .cse8 .cse6 .cse3))) [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:48,813 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,813 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-01 20:22:48,814 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,815 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-04-01 20:22:48,816 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,817 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-01 20:22:48,818 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,819 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-04-01 20:22:48,820 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-04-01 20:22:48,821 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-04-01 20:22:48,822 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:48,823 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,824 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-04-01 20:22:48,825 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-04-01 20:22:48,826 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-04-01 20:22:48,827 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-04-01 20:22:48,828 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:48,829 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-04-01 20:22:48,830 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse16 (<= ~a17~0 8)) (.cse17 (= ~a25~0 0))) (let ((.cse3 (< |old(~a28~0)| 10)) (.cse1 (and .cse6 .cse14 .cse15 .cse7 .cse16 .cse17)) (.cse5 (= ~a17~0 8)) (.cse13 (= ~a25~0 1)) (.cse11 (not (= |old(~a25~0)| 1))) (.cse12 (= |old(~a11~0)| 1)) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse0 (< 8 |old(~a17~0)|)) (.cse9 (not (= |old(~a19~0)| 1))) (.cse2 (not (= 0 |old(~a25~0)|))) (.cse4 (< 10 |old(~a28~0)|)) (.cse8 (= ~a19~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7 .cse8 (= ~a25~0 |old(~a25~0)|)) .cse9 .cse10 .cse3 .cse4) (or .cse0 (< 8 |old(~a28~0)|) .cse1 .cse2) (or .cse11 .cse12 .cse9 (and .cse5 .cse6 .cse13 .cse7 .cse8) .cse10) (or .cse0 .cse11 (and .cse6 .cse13 .cse14 .cse15 .cse7) (< 9 |old(~a28~0)|)) (or (and .cse5 .cse6 .cse13 .cse14 .cse7) .cse11 .cse12 .cse10 .cse4) (or .cse0 .cse9 .cse2 .cse4 (and .cse6 .cse15 .cse7 .cse16 .cse8 .cse17))))) [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,831 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,832 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-04-01 20:22:48,832 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-04-01 20:22:48,832 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-04-01 20:22:48,832 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-04-01 20:22:48,832 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-01 20:22:48,833 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-04-01 20:22:48,833 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-04-01 20:22:48,833 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-04-01 20:22:48,833 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-04-01 20:22:48,833 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-04-01 20:22:48,833 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-04-01 20:22:48,833 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-04-01 20:22:48,834 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-01 20:22:48,835 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-04-01 20:22:48,835 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-04-01 20:22:48,835 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-04-01 20:22:48,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:48,835 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-04-01 20:22:48,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:48,835 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:22:48,839 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:48,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:22:48,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:22:48 BoogieIcfgContainer [2023-04-01 20:22:48,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:22:48,870 INFO L158 Benchmark]: Toolchain (without parser) took 24715.84ms. Allocated memory was 246.4MB in the beginning and 436.2MB in the end (delta: 189.8MB). Free memory was 196.7MB in the beginning and 145.8MB in the end (delta: 50.8MB). Peak memory consumption was 255.4MB. Max. memory is 8.0GB. [2023-04-01 20:22:48,870 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 123.5MB in the beginning and 123.4MB in the end (delta: 89.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:22:48,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.29ms. Allocated memory is still 246.4MB. Free memory was 196.7MB in the beginning and 170.0MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:48,871 INFO L158 Benchmark]: Boogie Preprocessor took 75.77ms. Allocated memory is still 246.4MB. Free memory was 170.0MB in the beginning and 165.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:48,871 INFO L158 Benchmark]: RCFGBuilder took 1053.17ms. Allocated memory is still 246.4MB. Free memory was 165.2MB in the beginning and 183.7MB in the end (delta: -18.5MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. [2023-04-01 20:22:48,871 INFO L158 Benchmark]: TraceAbstraction took 23104.18ms. Allocated memory was 246.4MB in the beginning and 436.2MB in the end (delta: 189.8MB). Free memory was 183.2MB in the beginning and 145.8MB in the end (delta: 37.4MB). Peak memory consumption was 241.4MB. Max. memory is 8.0GB. [2023-04-01 20:22:48,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 123.5MB in the beginning and 123.4MB in the end (delta: 89.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 475.29ms. Allocated memory is still 246.4MB. Free memory was 196.7MB in the beginning and 170.0MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.77ms. Allocated memory is still 246.4MB. Free memory was 170.0MB in the beginning and 165.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1053.17ms. Allocated memory is still 246.4MB. Free memory was 165.2MB in the beginning and 183.7MB in the end (delta: -18.5MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. * TraceAbstraction took 23104.18ms. Allocated memory was 246.4MB in the beginning and 436.2MB in the end (delta: 189.8MB). Free memory was 183.2MB in the beginning and 145.8MB in the end (delta: 37.4MB). Peak memory consumption was 241.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 464]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7432 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7419 mSDsluCounter, 804 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 492 mSDsCounter, 1433 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10374 IncrementalHoareTripleChecker+Invalid, 11807 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1433 mSolverCounterUnsat, 312 mSDtfsCounter, 10374 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1980 GetRequests, 1840 SyntacticMatches, 6 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4181occurred in iteration=6, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1453 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 187 NumberOfFragments, 571 HoareAnnotationTreeSize, 123 FomulaSimplifications, 30311 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7197 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2475 NumberOfCodeBlocks, 2475 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3097 ConstructedInterpolants, 0 QuantifiedInterpolants, 9000 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3195 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 1646/1799 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 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((0 < \old(a11) || 7 < \old(a28)) || ((((a17 <= \old(a17) && a28 <= 9) && a17 <= 8) && a19 == 1) && a25 == 0)) || ((((10 <= a28 && a17 <= \old(a17)) && a17 <= 8) && a28 <= 10) && a25 == 0)) || !(\old(a19) == 1)) || ((a25 == 1 && a28 <= 9) && a17 <= 8)) || !(0 == \old(a25))) || ((((a17 == 8 && a25 == 1) && a28 <= 10) && !(a11 == 1)) && 8 <= \old(a17))) || !(8 == \old(a17))) || (((a17 <= \old(a17) && a28 <= 8) && a17 <= 8) && a25 == 0)) || ((((a17 == 8 && a25 == 1) && a19 == 1) && !(a11 == 1)) && 8 <= \old(a17))) || (((10 <= a28 && a17 == 8) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:22:48,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...