/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/Problem10_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:13:24,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:13:24,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:13:24,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:13:24,257 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 22:13:24,286 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:13:24,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:13:24,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:13:24,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:13:24,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:13:24,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:13:24,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:13:24,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:13:24,289 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:13:24,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:13:24,290 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:13:24,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:13:24,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:13:24,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:13:24,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:13:24,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:13:24,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:13:24,291 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:13:24,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:13:24,291 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:13:24,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:13:24,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:13:24,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:13:24,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:13:24,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:24,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:13:24,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:13:24,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:13:24,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:13:24,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:13:24,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:13:24,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:13:24,293 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:13:24,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:13:24,293 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:13:24,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:13:24,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:13:24,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:13:24,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:13:24,544 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:13:24,545 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:13:24,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2023-04-01 22:13:25,642 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:13:25,872 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:13:25,872 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2023-04-01 22:13:25,898 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63d793a1/8bdf10f310fc46e493873bf3b848ce5a/FLAG2dfa604c8 [2023-04-01 22:13:25,914 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63d793a1/8bdf10f310fc46e493873bf3b848ce5a [2023-04-01 22:13:25,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:13:25,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:13:25,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:25,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:13:25,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:13:25,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:25" (1/1) ... [2023-04-01 22:13:25,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d054c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:25, skipping insertion in model container [2023-04-01 22:13:25,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:25" (1/1) ... [2023-04-01 22:13:25,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:13:25,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:13:26,154 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/Problem10_label19.c[3486,3499] [2023-04-01 22:13:26,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:26,297 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:13:26,318 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/Problem10_label19.c[3486,3499] [2023-04-01 22:13:26,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:26,424 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:13:26,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26 WrapperNode [2023-04-01 22:13:26,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:26,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:13:26,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:13:26,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:13:26,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:13:26,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:13:26,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:13:26,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:13:26,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (1/1) ... [2023-04-01 22:13:26,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:26,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:26,560 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 22:13:26,562 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 22:13:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:13:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:13:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:13:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:13:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:13:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:13:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:13:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:13:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:13:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:13:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:13:26,695 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:13:26,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:13:27,770 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:13:27,783 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:13:27,783 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:13:27,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:27 BoogieIcfgContainer [2023-04-01 22:13:27,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:13:27,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:13:27,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:13:27,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:13:27,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:13:25" (1/3) ... [2023-04-01 22:13:27,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e72405a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:27, skipping insertion in model container [2023-04-01 22:13:27,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:26" (2/3) ... [2023-04-01 22:13:27,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e72405a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:27, skipping insertion in model container [2023-04-01 22:13:27,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:27" (3/3) ... [2023-04-01 22:13:27,795 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2023-04-01 22:13:27,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:13:27,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:13:27,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:13:27,879 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;@6e2f475b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:13:27,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:13:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 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 22:13:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-04-01 22:13:27,891 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:27,891 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] [2023-04-01 22:13:27,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:27,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:27,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1501475678, now seen corresponding path program 1 times [2023-04-01 22:13:27,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:27,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167614089] [2023-04-01 22:13:27,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:27,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:28,354 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 22:13:28,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:28,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167614089] [2023-04-01 22:13:28,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167614089] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:28,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:28,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:13:28,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877714547] [2023-04-01 22:13:28,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:28,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:13:28,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:28,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:13:28,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:13:28,395 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 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 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 22:13:29,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:29,488 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2023-04-01 22:13:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:13:29,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 35 [2023-04-01 22:13:29,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:29,511 INFO L225 Difference]: With dead ends: 596 [2023-04-01 22:13:29,511 INFO L226 Difference]: Without dead ends: 302 [2023-04-01 22:13:29,519 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 22:13:29,523 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 574 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:29,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 21 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:13:29,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-01 22:13:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2023-04-01 22:13:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 287 states have (on average 1.5261324041811846) internal successors, (438), 288 states have internal predecessors, (438), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:13:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2023-04-01 22:13:29,603 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 35 [2023-04-01 22:13:29,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:29,603 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2023-04-01 22:13:29,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 22:13:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2023-04-01 22:13:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-04-01 22:13:29,609 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:29,610 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, 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] [2023-04-01 22:13:29,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:13:29,610 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:29,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1816741950, now seen corresponding path program 1 times [2023-04-01 22:13:29,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:29,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167762281] [2023-04-01 22:13:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:29,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:29,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167762281] [2023-04-01 22:13:29,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167762281] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:29,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910487195] [2023-04-01 22:13:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:29,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:29,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:29,939 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 22:13:29,944 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 22:13:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:30,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:30,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:30,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:30,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910487195] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:30,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:30,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:13:30,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529299592] [2023-04-01 22:13:30,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:30,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:30,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:30,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:30,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:13:30,238 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 22:13:30,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:30,696 INFO L93 Difference]: Finished difference Result 874 states and 1344 transitions. [2023-04-01 22:13:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:30,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 105 [2023-04-01 22:13:30,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:30,706 INFO L225 Difference]: With dead ends: 874 [2023-04-01 22:13:30,707 INFO L226 Difference]: Without dead ends: 584 [2023-04-01 22:13:30,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:13:30,709 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 113 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:30,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 248 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 22:13:30,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-04-01 22:13:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2023-04-01 22:13:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 570 states have (on average 1.3701754385964913) internal successors, (781), 572 states have internal predecessors, (781), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-04-01 22:13:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 806 transitions. [2023-04-01 22:13:30,740 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 806 transitions. Word has length 105 [2023-04-01 22:13:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:30,742 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 806 transitions. [2023-04-01 22:13:30,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 22:13:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 806 transitions. [2023-04-01 22:13:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-04-01 22:13:30,750 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:30,750 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, 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] [2023-04-01 22:13:30,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:30,958 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 22:13:30,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:30,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:30,960 INFO L85 PathProgramCache]: Analyzing trace with hash 732607047, now seen corresponding path program 1 times [2023-04-01 22:13:30,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:30,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141894476] [2023-04-01 22:13:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:30,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:31,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:31,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141894476] [2023-04-01 22:13:31,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141894476] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:31,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:31,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:13:31,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782738915] [2023-04-01 22:13:31,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:31,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:13:31,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:31,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:13:31,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:31,298 INFO L87 Difference]: Start difference. First operand 584 states and 806 transitions. Second operand has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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 22:13:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:32,242 INFO L93 Difference]: Finished difference Result 1490 states and 2156 transitions. [2023-04-01 22:13:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:13:32,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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 116 [2023-04-01 22:13:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:32,247 INFO L225 Difference]: With dead ends: 1490 [2023-04-01 22:13:32,247 INFO L226 Difference]: Without dead ends: 912 [2023-04-01 22:13:32,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:13:32,249 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 756 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:32,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 53 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:13:32,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2023-04-01 22:13:32,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 894. [2023-04-01 22:13:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 864 states have (on average 1.2916666666666667) internal successors, (1116), 878 states have internal predecessors, (1116), 8 states have call successors, (8), 8 states have call predecessors, (8), 21 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) [2023-04-01 22:13:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1184 transitions. [2023-04-01 22:13:32,291 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1184 transitions. Word has length 116 [2023-04-01 22:13:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:32,291 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1184 transitions. [2023-04-01 22:13:32,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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 22:13:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1184 transitions. [2023-04-01 22:13:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-01 22:13:32,293 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:32,293 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, 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] [2023-04-01 22:13:32,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 22:13:32,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:32,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:32,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1108014011, now seen corresponding path program 1 times [2023-04-01 22:13:32,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:32,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183463855] [2023-04-01 22:13:32,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:32,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:32,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183463855] [2023-04-01 22:13:32,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183463855] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:32,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:32,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:13:32,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123165088] [2023-04-01 22:13:32,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:32,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:13:32,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:32,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:13:32,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:32,648 INFO L87 Difference]: Start difference. First operand 894 states and 1184 transitions. Second operand has 8 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 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 22:13:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:33,555 INFO L93 Difference]: Finished difference Result 2279 states and 3260 transitions. [2023-04-01 22:13:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:13:33,558 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 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 126 [2023-04-01 22:13:33,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:33,569 INFO L225 Difference]: With dead ends: 2279 [2023-04-01 22:13:33,569 INFO L226 Difference]: Without dead ends: 1391 [2023-04-01 22:13:33,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:13:33,578 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 677 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:33,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 48 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:13:33,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2023-04-01 22:13:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1345. [2023-04-01 22:13:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1298 states have (on average 1.2727272727272727) internal successors, (1652), 1323 states have internal predecessors, (1652), 11 states have call successors, (11), 11 states have call predecessors, (11), 35 states have return successors, (119), 10 states have call predecessors, (119), 10 states have call successors, (119) [2023-04-01 22:13:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1782 transitions. [2023-04-01 22:13:33,637 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1782 transitions. Word has length 126 [2023-04-01 22:13:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:33,638 INFO L495 AbstractCegarLoop]: Abstraction has 1345 states and 1782 transitions. [2023-04-01 22:13:33,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 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 22:13:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1782 transitions. [2023-04-01 22:13:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-04-01 22:13:33,644 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:33,644 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:13:33,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 22:13:33,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:33,645 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:33,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1254892366, now seen corresponding path program 1 times [2023-04-01 22:13:33,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:33,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055301632] [2023-04-01 22:13:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:33,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:13:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:13:33,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:33,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055301632] [2023-04-01 22:13:33,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055301632] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:33,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046825182] [2023-04-01 22:13:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:33,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:33,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:33,997 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 22:13:34,026 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 22:13:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:34,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:34,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:34,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046825182] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:34,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:34,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:13:34,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495299976] [2023-04-01 22:13:34,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:34,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:13:34,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:34,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:13:34,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:13:34,569 INFO L87 Difference]: Start difference. First operand 1345 states and 1782 transitions. Second operand has 12 states, 12 states have (on average 28.666666666666668) internal successors, (344), 10 states have internal predecessors, (344), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:13:36,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:36,299 INFO L93 Difference]: Finished difference Result 3300 states and 4399 transitions. [2023-04-01 22:13:36,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:13:36,300 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 28.666666666666668) internal successors, (344), 10 states have internal predecessors, (344), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 187 [2023-04-01 22:13:36,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:36,308 INFO L225 Difference]: With dead ends: 3300 [2023-04-01 22:13:36,308 INFO L226 Difference]: Without dead ends: 1961 [2023-04-01 22:13:36,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 378 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2023-04-01 22:13:36,312 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1338 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:36,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 113 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:13:36,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2023-04-01 22:13:36,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1943. [2023-04-01 22:13:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1943 states, 1875 states have (on average 1.1781333333333333) internal successors, (2209), 1913 states have internal predecessors, (2209), 15 states have call successors, (15), 15 states have call predecessors, (15), 52 states have return successors, (167), 14 states have call predecessors, (167), 14 states have call successors, (167) [2023-04-01 22:13:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2391 transitions. [2023-04-01 22:13:36,373 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2391 transitions. Word has length 187 [2023-04-01 22:13:36,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:36,374 INFO L495 AbstractCegarLoop]: Abstraction has 1943 states and 2391 transitions. [2023-04-01 22:13:36,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 28.666666666666668) internal successors, (344), 10 states have internal predecessors, (344), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:13:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2391 transitions. [2023-04-01 22:13:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-04-01 22:13:36,377 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:36,377 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:13:36,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-01 22:13:36,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:36,584 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:36,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1737032710, now seen corresponding path program 1 times [2023-04-01 22:13:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:36,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867081450] [2023-04-01 22:13:36,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:36,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:13:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-04-01 22:13:36,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:36,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867081450] [2023-04-01 22:13:36,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867081450] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:36,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058840799] [2023-04-01 22:13:36,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:36,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:36,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:36,922 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 22:13:36,945 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 22:13:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:37,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 22:13:37,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:37,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058840799] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:37,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:37,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-04-01 22:13:37,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755891586] [2023-04-01 22:13:37,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:37,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:37,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:37,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:37,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:37,071 INFO L87 Difference]: Start difference. First operand 1943 states and 2391 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 22:13:37,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:37,505 INFO L93 Difference]: Finished difference Result 3248 states and 4001 transitions. [2023-04-01 22:13:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:37,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 191 [2023-04-01 22:13:37,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:37,520 INFO L225 Difference]: With dead ends: 3248 [2023-04-01 22:13:37,520 INFO L226 Difference]: Without dead ends: 3246 [2023-04-01 22:13:37,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:37,522 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 154 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:37,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 34 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 22:13:37,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2023-04-01 22:13:37,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 1355. [2023-04-01 22:13:37,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1303 states have (on average 1.1665387567152725) internal successors, (1520), 1333 states have internal predecessors, (1520), 11 states have call successors, (11), 11 states have call predecessors, (11), 40 states have return successors, (99), 10 states have call predecessors, (99), 10 states have call successors, (99) [2023-04-01 22:13:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1630 transitions. [2023-04-01 22:13:37,575 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1630 transitions. Word has length 191 [2023-04-01 22:13:37,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:37,576 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1630 transitions. [2023-04-01 22:13:37,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 22:13:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1630 transitions. [2023-04-01 22:13:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-01 22:13:37,579 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:37,579 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:13:37,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-01 22:13:37,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:37,786 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:37,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:37,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1079623975, now seen corresponding path program 1 times [2023-04-01 22:13:37,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:37,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831578693] [2023-04-01 22:13:37,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:37,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-01 22:13:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 56 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 22:13:38,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831578693] [2023-04-01 22:13:38,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831578693] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263989500] [2023-04-01 22:13:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:38,428 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 22:13:38,451 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 22:13:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:38,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:38,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-01 22:13:38,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:38,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263989500] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:38,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:38,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 22:13:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103006111] [2023-04-01 22:13:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:38,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:38,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:38,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:38,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:13:38,587 INFO L87 Difference]: Start difference. First operand 1355 states and 1630 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 22:13:38,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:38,960 INFO L93 Difference]: Finished difference Result 2704 states and 3254 transitions. [2023-04-01 22:13:38,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:38,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 204 [2023-04-01 22:13:38,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:38,965 INFO L225 Difference]: With dead ends: 2704 [2023-04-01 22:13:38,966 INFO L226 Difference]: Without dead ends: 1355 [2023-04-01 22:13:38,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:13:38,969 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 135 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:38,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 185 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:13:38,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2023-04-01 22:13:38,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1206. [2023-04-01 22:13:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1159 states have (on average 1.1475409836065573) internal successors, (1330), 1186 states have internal predecessors, (1330), 10 states have call successors, (10), 10 states have call predecessors, (10), 36 states have return successors, (71), 9 states have call predecessors, (71), 9 states have call successors, (71) [2023-04-01 22:13:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1411 transitions. [2023-04-01 22:13:39,001 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1411 transitions. Word has length 204 [2023-04-01 22:13:39,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:39,001 INFO L495 AbstractCegarLoop]: Abstraction has 1206 states and 1411 transitions. [2023-04-01 22:13:39,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 22:13:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1411 transitions. [2023-04-01 22:13:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-04-01 22:13:39,006 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:39,006 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-04-01 22:13:39,014 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 22:13:39,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:39,212 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:39,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash -580102289, now seen corresponding path program 1 times [2023-04-01 22:13:39,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:39,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513316997] [2023-04-01 22:13:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:39,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-01 22:13:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-01 22:13:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 157 proven. 71 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-01 22:13:39,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:39,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513316997] [2023-04-01 22:13:39,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513316997] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:39,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276668501] [2023-04-01 22:13:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:39,780 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 22:13:39,804 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 22:13:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:39,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:39,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 276 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-01 22:13:40,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 158 proven. 72 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-04-01 22:13:40,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276668501] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:40,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:40,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-04-01 22:13:40,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841857149] [2023-04-01 22:13:40,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:40,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:13:40,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:40,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:13:40,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:13:40,276 INFO L87 Difference]: Start difference. First operand 1206 states and 1411 transitions. Second operand has 12 states, 12 states have (on average 39.0) internal successors, (468), 10 states have internal predecessors, (468), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:13:42,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:42,120 INFO L93 Difference]: Finished difference Result 3870 states and 4568 transitions. [2023-04-01 22:13:42,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 22:13:42,120 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 39.0) internal successors, (468), 10 states have internal predecessors, (468), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 312 [2023-04-01 22:13:42,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:42,127 INFO L225 Difference]: With dead ends: 3870 [2023-04-01 22:13:42,127 INFO L226 Difference]: Without dead ends: 1782 [2023-04-01 22:13:42,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 636 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-04-01 22:13:42,132 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1333 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 2111 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 2111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:42,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 59 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 2111 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:13:42,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2023-04-01 22:13:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1200. [2023-04-01 22:13:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 1156 states have (on average 1.1150519031141868) internal successors, (1289), 1180 states have internal predecessors, (1289), 10 states have call successors, (10), 10 states have call predecessors, (10), 33 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2023-04-01 22:13:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1361 transitions. [2023-04-01 22:13:42,170 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1361 transitions. Word has length 312 [2023-04-01 22:13:42,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:42,170 INFO L495 AbstractCegarLoop]: Abstraction has 1200 states and 1361 transitions. [2023-04-01 22:13:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 39.0) internal successors, (468), 10 states have internal predecessors, (468), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:13:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1361 transitions. [2023-04-01 22:13:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-04-01 22:13:42,175 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:42,176 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:13:42,187 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 22:13:42,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:42,383 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:42,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1940681865, now seen corresponding path program 1 times [2023-04-01 22:13:42,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:42,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297822100] [2023-04-01 22:13:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:42,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:13:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-01 22:13:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 270 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-01 22:13:42,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:42,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297822100] [2023-04-01 22:13:42,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297822100] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:42,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257217130] [2023-04-01 22:13:42,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:42,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:42,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:42,829 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 22:13:42,852 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 22:13:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:42,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:42,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-01 22:13:43,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-01 22:13:43,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257217130] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:43,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:43,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2023-04-01 22:13:43,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157877648] [2023-04-01 22:13:43,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:43,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 22:13:43,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:43,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 22:13:43,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:13:43,467 INFO L87 Difference]: Start difference. First operand 1200 states and 1361 transitions. Second operand has 10 states, 10 states have (on average 51.8) internal successors, (518), 8 states have internal predecessors, (518), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:13:44,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:44,830 INFO L93 Difference]: Finished difference Result 3868 states and 4575 transitions. [2023-04-01 22:13:44,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-01 22:13:44,831 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 51.8) internal successors, (518), 8 states have internal predecessors, (518), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 348 [2023-04-01 22:13:44,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:44,841 INFO L225 Difference]: With dead ends: 3868 [2023-04-01 22:13:44,841 INFO L226 Difference]: Without dead ends: 2674 [2023-04-01 22:13:44,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 703 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:13:44,845 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 454 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:44,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 88 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:13:44,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2023-04-01 22:13:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2654. [2023-04-01 22:13:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2654 states, 2578 states have (on average 1.1066718386346004) internal successors, (2853), 2614 states have internal predecessors, (2853), 20 states have call successors, (20), 20 states have call predecessors, (20), 55 states have return successors, (172), 19 states have call predecessors, (172), 19 states have call successors, (172) [2023-04-01 22:13:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2654 states and 3045 transitions. [2023-04-01 22:13:44,937 INFO L78 Accepts]: Start accepts. Automaton has 2654 states and 3045 transitions. Word has length 348 [2023-04-01 22:13:44,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:44,938 INFO L495 AbstractCegarLoop]: Abstraction has 2654 states and 3045 transitions. [2023-04-01 22:13:44,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 51.8) internal successors, (518), 8 states have internal predecessors, (518), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:13:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3045 transitions. [2023-04-01 22:13:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-04-01 22:13:44,957 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:44,957 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 22:13:44,964 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 22:13:45,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:45,164 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:45,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:45,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1778246881, now seen corresponding path program 1 times [2023-04-01 22:13:45,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:45,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005837953] [2023-04-01 22:13:45,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-01 22:13:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-04-01 22:13:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-01 22:13:45,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:45,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005837953] [2023-04-01 22:13:45,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005837953] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:45,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451719782] [2023-04-01 22:13:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:45,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:45,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:45,785 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 22:13:45,812 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 22:13:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:45,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:45,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-01 22:13:45,991 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:45,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451719782] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:45,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:45,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 22:13:45,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470814789] [2023-04-01 22:13:45,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:45,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:45,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:45,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:45,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:45,995 INFO L87 Difference]: Start difference. First operand 2654 states and 3045 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 22:13:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:46,327 INFO L93 Difference]: Finished difference Result 2654 states and 3045 transitions. [2023-04-01 22:13:46,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:46,329 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 400 [2023-04-01 22:13:46,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:46,330 INFO L225 Difference]: With dead ends: 2654 [2023-04-01 22:13:46,330 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:13:46,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:46,335 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 113 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:46,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 229 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:13:46,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:13:46,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:13:46,336 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 22:13:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:13:46,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2023-04-01 22:13:46,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:46,336 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:13:46,337 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 22:13:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:13:46,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:13:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:13:46,348 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 22:13:46,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:46,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:13:53,473 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:13:53,473 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:13:53,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:13:53,473 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:13:53,474 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse1 (<= 2 ~a10~0))) (or (< |old(~a19~0)| 9) (and .cse0 (<= 23 ~a1~0)) (not (= 14 ~a4~0)) (and (= ~a19~0 9) .cse1) (and (<= 1 ~a10~0) (<= ~a10~0 2)) (and .cse0 (<= 9 ~a19~0)) (and .cse0 (<= ~a19~0 6)) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (< |old(~a1~0)| 23) (not (= ~a12~0 0)) (and (<= ~a19~0 8) .cse1))) [2023-04-01 22:13:53,474 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-04-01 22:13:53,474 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-04-01 22:13:53,474 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse1 (<= 2 ~a10~0))) (or (< |old(~a19~0)| 9) (and .cse0 (<= 23 ~a1~0)) (not (= 14 ~a4~0)) (and (= ~a19~0 9) .cse1) (and (<= 1 ~a10~0) (<= ~a10~0 2)) (and .cse0 (<= 9 ~a19~0)) (and .cse0 (<= ~a19~0 6)) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (< |old(~a1~0)| 23) (not (= ~a12~0 0)) (and (<= ~a19~0 8) .cse1))) [2023-04-01 22:13:53,474 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:13:53,474 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (and (= ~a10~0 0) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (< |old(~a1~0)| 23) (not (= ~a12~0 0))) [2023-04-01 22:13:53,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,475 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-04-01 22:13:53,476 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:13:53,477 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 101) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,478 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-04-01 22:13:53,479 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:13:53,480 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-04-01 22:13:53,481 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,482 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,483 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-04-01 22:13:53,484 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-04-01 22:13:53,485 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:13:53,486 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse6 (= ~a1~0 |old(~a1~0)|))) (let ((.cse0 (and (= ~a10~0 0) .cse5 .cse6)) (.cse2 (not (= 0 |old(~a10~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse4 (and .cse5 .cse6 (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (< 6 |old(~a19~0)|) .cse2 .cse3) (or (< |old(~a19~0)| 9) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 (< |old(~a1~0)| 23) .cse3) (or .cse1 (< 2 |old(~a10~0)|) (< |old(~a10~0)| 1) .cse4 .cse3) (or (< |old(~a10~0)| 2) .cse1 .cse4 (< 9 |old(~a19~0)|) .cse3)))) [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,487 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-04-01 22:13:53,488 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:13:53,489 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:13:53,490 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:13:53,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:13:53,490 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (= ~a10~0 0) (= 14 ~a4~0) (= ~a12~0 0) (<= 23 ~a1~0) (<= 9 ~a19~0)) [2023-04-01 22:13:53,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:13:53,490 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:13:53,493 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:53,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:13:53,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:13:53 BoogieIcfgContainer [2023-04-01 22:13:53,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:13:53,520 INFO L158 Benchmark]: Toolchain (without parser) took 27603.07ms. Allocated memory was 238.0MB in the beginning and 496.0MB in the end (delta: 257.9MB). Free memory was 188.2MB in the beginning and 440.9MB in the end (delta: -252.6MB). Peak memory consumption was 291.6MB. Max. memory is 8.0GB. [2023-04-01 22:13:53,521 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 173.0MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:13:53,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.68ms. Allocated memory is still 238.0MB. Free memory was 187.7MB in the beginning and 160.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-01 22:13:53,521 INFO L158 Benchmark]: Boogie Preprocessor took 106.03ms. Allocated memory is still 238.0MB. Free memory was 160.5MB in the beginning and 155.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 22:13:53,521 INFO L158 Benchmark]: RCFGBuilder took 1253.48ms. Allocated memory is still 238.0MB. Free memory was 155.8MB in the beginning and 160.5MB in the end (delta: -4.8MB). Peak memory consumption was 47.6MB. Max. memory is 8.0GB. [2023-04-01 22:13:53,522 INFO L158 Benchmark]: TraceAbstraction took 25731.17ms. Allocated memory was 238.0MB in the beginning and 496.0MB in the end (delta: 257.9MB). Free memory was 160.0MB in the beginning and 440.9MB in the end (delta: -280.9MB). Peak memory consumption was 261.8MB. Max. memory is 8.0GB. [2023-04-01 22:13:53,523 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 173.0MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 506.68ms. Allocated memory is still 238.0MB. Free memory was 187.7MB in the beginning and 160.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 106.03ms. Allocated memory is still 238.0MB. Free memory was 160.5MB in the beginning and 155.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1253.48ms. Allocated memory is still 238.0MB. Free memory was 155.8MB in the beginning and 160.5MB in the end (delta: -4.8MB). Peak memory consumption was 47.6MB. Max. memory is 8.0GB. * TraceAbstraction took 25731.17ms. Allocated memory was 238.0MB in the beginning and 496.0MB in the end (delta: 257.9MB). Free memory was 160.0MB in the beginning and 440.9MB in the end (delta: -280.9MB). Peak memory consumption was 261.8MB. 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: 101]: 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, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5647 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5647 mSDsluCounter, 1078 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 1143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9002 IncrementalHoareTripleChecker+Invalid, 10145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1143 mSolverCounterUnsat, 742 mSDtfsCounter, 9002 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2762 GetRequests, 2650 SyntacticMatches, 6 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2654occurred in iteration=9, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 2730 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 77 PreInvPairs, 125 NumberOfFragments, 346 HoareAnnotationTreeSize, 77 FomulaSimplifications, 107040 FormulaSimplificationTreeSizeReduction, 5.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5837 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 3771 NumberOfCodeBlocks, 3771 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4598 ConstructedInterpolants, 0 QuantifiedInterpolants, 10113 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3210 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 3556/3796 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: 592]: Loop Invariant Derived loop invariant: ((((((((((\old(a19) < 9 || (a10 == 0 && 23 <= a1)) || !(14 == a4)) || (a19 == 9 && 2 <= a10)) || (1 <= a10 && a10 <= 2)) || (a10 == 0 && 9 <= a19)) || (a10 == 0 && a19 <= 6)) || !(0 == \old(a10))) || 9 < \old(a19)) || \old(a1) < 23) || !(a12 == 0)) || (a19 <= 8 && 2 <= a10) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:13:53,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...