/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_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:14:58,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:14:58,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:14:58,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:14:58,839 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 22:14:58,860 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:14:58,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:14:58,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:14:58,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:14:58,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:14:58,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:14:58,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:14:58,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:14:58,861 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:14:58,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:14:58,861 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:14:58,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:14:58,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:14:58,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:14:58,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:14:58,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:14:58,863 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:14:58,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:14:59,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:14:59,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:14:59,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:14:59,077 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:14:59,077 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:14:59,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2023-04-01 22:15:00,136 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:15:00,329 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:15:00,329 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2023-04-01 22:15:00,341 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e778990e0/929742b2d391427f8ab9a72cf7964ba7/FLAG5f35b9647 [2023-04-01 22:15:00,351 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e778990e0/929742b2d391427f8ab9a72cf7964ba7 [2023-04-01 22:15:00,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:15:00,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:15:00,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:15:00,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:15:00,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:15:00,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3d16ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00, skipping insertion in model container [2023-04-01 22:15:00,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:15:00,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:15:00,552 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_label56.c[2832,2845] [2023-04-01 22:15:00,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:15:00,707 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:15:00,726 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_label56.c[2832,2845] [2023-04-01 22:15:00,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:15:00,795 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:15:00,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00 WrapperNode [2023-04-01 22:15:00,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:15:00,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:15:00,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:15:00,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:15:00,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:15:00,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:15:00,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:15:00,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:15:00,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (1/1) ... [2023-04-01 22:15:00,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:15:00,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:00,936 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 22:15:00,944 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 22:15:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:15:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:15:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:15:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:15:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:15:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:15:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:15:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:15:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:15:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:15:01,038 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:15:01,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:15:01,795 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:15:01,805 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:15:01,805 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:15:01,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:15:01 BoogieIcfgContainer [2023-04-01 22:15:01,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:15:01,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:15:01,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:15:01,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:15:01,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:15:00" (1/3) ... [2023-04-01 22:15:01,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ca562d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:15:01, skipping insertion in model container [2023-04-01 22:15:01,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:00" (2/3) ... [2023-04-01 22:15:01,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ca562d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:15:01, skipping insertion in model container [2023-04-01 22:15:01,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:15:01" (3/3) ... [2023-04-01 22:15:01,814 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label56.c [2023-04-01 22:15:01,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:15:01,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:15:01,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:15:01,882 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;@4f513065, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:15:01,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:15:01,887 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 22:15:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-04-01 22:15:01,893 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:01,893 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] [2023-04-01 22:15:01,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:01,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:01,898 INFO L85 PathProgramCache]: Analyzing trace with hash -218471446, now seen corresponding path program 1 times [2023-04-01 22:15:01,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:01,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744298555] [2023-04-01 22:15:01,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:01,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:02,276 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 22:15:02,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:02,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744298555] [2023-04-01 22:15:02,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744298555] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:02,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:15:02,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 22:15:02,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735801342] [2023-04-01 22:15:02,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:02,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:15:02,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:02,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:15:02,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:15:02,302 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 5 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 22:15:03,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:03,456 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2023-04-01 22:15:03,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:15:03,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 29 [2023-04-01 22:15:03,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:03,468 INFO L225 Difference]: With dead ends: 730 [2023-04-01 22:15:03,468 INFO L226 Difference]: Without dead ends: 447 [2023-04-01 22:15:03,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:15:03,476 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 677 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:03,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 38 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:15:03,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-04-01 22:15:03,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2023-04-01 22:15:03,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 429 states have (on average 1.5268065268065267) internal successors, (655), 431 states have internal predecessors, (655), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-01 22:15:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2023-04-01 22:15:03,550 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 29 [2023-04-01 22:15:03,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:03,550 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2023-04-01 22:15:03,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 22:15:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2023-04-01 22:15:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-01 22:15:03,553 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:03,553 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:03,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:15:03,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:03,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:03,554 INFO L85 PathProgramCache]: Analyzing trace with hash 827021663, now seen corresponding path program 1 times [2023-04-01 22:15:03,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:03,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680163475] [2023-04-01 22:15:03,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:03,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680163475] [2023-04-01 22:15:03,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680163475] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:03,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:15:03,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:15:03,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442686948] [2023-04-01 22:15:03,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:03,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:15:03,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:03,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:15:03,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:15:03,943 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 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 22:15:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:04,647 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2023-04-01 22:15:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:15:04,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 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 102 [2023-04-01 22:15:04,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:04,651 INFO L225 Difference]: With dead ends: 1041 [2023-04-01 22:15:04,651 INFO L226 Difference]: Without dead ends: 606 [2023-04-01 22:15:04,653 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 22:15:04,653 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 732 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:04,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 42 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:15:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2023-04-01 22:15:04,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2023-04-01 22:15:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 574 states have (on average 1.3937282229965158) internal successors, (800), 580 states have internal predecessors, (800), 6 states have call successors, (6), 6 states have call predecessors, (6), 11 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-01 22:15:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2023-04-01 22:15:04,699 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 102 [2023-04-01 22:15:04,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:04,699 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2023-04-01 22:15:04,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 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 22:15:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2023-04-01 22:15:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-01 22:15:04,701 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:04,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:04,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:15:04,701 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:04,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:04,702 INFO L85 PathProgramCache]: Analyzing trace with hash 688846859, now seen corresponding path program 1 times [2023-04-01 22:15:04,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:04,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914593583] [2023-04-01 22:15:04,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:04,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:04,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914593583] [2023-04-01 22:15:04,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914593583] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:04,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409081541] [2023-04-01 22:15:04,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:04,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:04,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:04,828 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 22:15:04,845 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 22:15:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:04,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:04,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:05,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:15:05,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409081541] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:05,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:15:05,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:15:05,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794327560] [2023-04-01 22:15:05,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:05,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:15:05,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:05,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:15:05,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:15:05,028 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:15:05,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:05,376 INFO L93 Difference]: Finished difference Result 1615 states and 2274 transitions. [2023-04-01 22:15:05,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:15:05,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2023-04-01 22:15:05,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:05,380 INFO L225 Difference]: With dead ends: 1615 [2023-04-01 22:15:05,380 INFO L226 Difference]: Without dead ends: 1029 [2023-04-01 22:15:05,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 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 22:15:05,382 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 140 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:05,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 57 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:15:05,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2023-04-01 22:15:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 886. [2023-04-01 22:15:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 860 states have (on average 1.2744186046511627) internal successors, (1096), 870 states have internal predecessors, (1096), 8 states have call successors, (8), 8 states have call predecessors, (8), 17 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) [2023-04-01 22:15:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1150 transitions. [2023-04-01 22:15:05,404 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1150 transitions. Word has length 108 [2023-04-01 22:15:05,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:05,405 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1150 transitions. [2023-04-01 22:15:05,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:15:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1150 transitions. [2023-04-01 22:15:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-01 22:15:05,407 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:05,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:15:05,416 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 22:15:05,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:05,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:05,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash 924286730, now seen corresponding path program 1 times [2023-04-01 22:15:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:05,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098138130] [2023-04-01 22:15:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:05,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:05,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:06,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:06,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098138130] [2023-04-01 22:15:06,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098138130] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:06,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:15:06,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:15:06,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128990477] [2023-04-01 22:15:06,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:06,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:15:06,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:06,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:15:06,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:15:06,009 INFO L87 Difference]: Start difference. First operand 886 states and 1150 transitions. Second operand has 7 states, 6 states have (on average 26.5) internal successors, (159), 4 states have internal predecessors, (159), 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 22:15:06,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:06,754 INFO L93 Difference]: Finished difference Result 2245 states and 2959 transitions. [2023-04-01 22:15:06,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:15:06,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.5) internal successors, (159), 4 states have internal predecessors, (159), 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 165 [2023-04-01 22:15:06,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:06,761 INFO L225 Difference]: With dead ends: 2245 [2023-04-01 22:15:06,762 INFO L226 Difference]: Without dead ends: 1365 [2023-04-01 22:15:06,763 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 22:15:06,764 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 460 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:06,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 53 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:15:06,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2023-04-01 22:15:06,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1057. [2023-04-01 22:15:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 1015 states have (on average 1.2423645320197045) internal successors, (1261), 1039 states have internal predecessors, (1261), 9 states have call successors, (9), 9 states have call predecessors, (9), 32 states have return successors, (89), 8 states have call predecessors, (89), 8 states have call successors, (89) [2023-04-01 22:15:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1359 transitions. [2023-04-01 22:15:06,799 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1359 transitions. Word has length 165 [2023-04-01 22:15:06,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:06,800 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1359 transitions. [2023-04-01 22:15:06,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.5) internal successors, (159), 4 states have internal predecessors, (159), 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 22:15:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1359 transitions. [2023-04-01 22:15:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-01 22:15:06,805 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:06,805 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:06,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 22:15:06,805 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:06,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:06,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1965835082, now seen corresponding path program 1 times [2023-04-01 22:15:06,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:06,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163323340] [2023-04-01 22:15:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:06,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:06,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:15:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:15:07,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:07,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163323340] [2023-04-01 22:15:07,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163323340] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:07,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001270977] [2023-04-01 22:15:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:07,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:07,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:07,083 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 22:15:07,112 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 22:15:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:07,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:07,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:07,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001270977] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:07,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:07,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-04-01 22:15:07,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555755679] [2023-04-01 22:15:07,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:07,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:15:07,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:07,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:15:07,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:15:07,672 INFO L87 Difference]: Start difference. First operand 1057 states and 1359 transitions. Second operand has 13 states, 13 states have (on average 27.923076923076923) internal successors, (363), 11 states have internal predecessors, (363), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:09,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:09,266 INFO L93 Difference]: Finished difference Result 2877 states and 3891 transitions. [2023-04-01 22:15:09,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:15:09,267 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 27.923076923076923) internal successors, (363), 11 states have internal predecessors, (363), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 189 [2023-04-01 22:15:09,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:09,273 INFO L225 Difference]: With dead ends: 2877 [2023-04-01 22:15:09,273 INFO L226 Difference]: Without dead ends: 1826 [2023-04-01 22:15:09,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2023-04-01 22:15:09,276 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1681 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:09,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 107 Invalid, 2404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:15:09,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2023-04-01 22:15:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1218. [2023-04-01 22:15:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1165 states have (on average 1.211158798283262) internal successors, (1411), 1198 states have internal predecessors, (1411), 10 states have call successors, (10), 10 states have call predecessors, (10), 42 states have return successors, (123), 9 states have call predecessors, (123), 9 states have call successors, (123) [2023-04-01 22:15:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1544 transitions. [2023-04-01 22:15:09,305 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1544 transitions. Word has length 189 [2023-04-01 22:15:09,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:09,305 INFO L495 AbstractCegarLoop]: Abstraction has 1218 states and 1544 transitions. [2023-04-01 22:15:09,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 27.923076923076923) internal successors, (363), 11 states have internal predecessors, (363), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1544 transitions. [2023-04-01 22:15:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-01 22:15:09,307 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:09,308 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:09,313 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 22:15:09,513 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 22:15:09,513 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:09,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:09,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1528530497, now seen corresponding path program 1 times [2023-04-01 22:15:09,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:09,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302072016] [2023-04-01 22:15:09,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:09,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-01 22:15:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 44 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 22:15:10,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:10,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302072016] [2023-04-01 22:15:10,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302072016] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:10,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517626780] [2023-04-01 22:15:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:10,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:10,034 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 22:15:10,036 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 22:15:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:10,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:10,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-01 22:15:10,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:15:10,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517626780] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:10,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:15:10,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 22:15:10,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135367449] [2023-04-01 22:15:10,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:10,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:15:10,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:10,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:15:10,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:15:10,163 INFO L87 Difference]: Start difference. First operand 1218 states and 1544 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 22:15:10,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:10,551 INFO L93 Difference]: Finished difference Result 3449 states and 4485 transitions. [2023-04-01 22:15:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:15:10,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 206 [2023-04-01 22:15:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:10,558 INFO L225 Difference]: With dead ends: 3449 [2023-04-01 22:15:10,558 INFO L226 Difference]: Without dead ends: 2237 [2023-04-01 22:15:10,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:15:10,560 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 120 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:10,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 238 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:15:10,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2023-04-01 22:15:10,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2092. [2023-04-01 22:15:10,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2092 states, 2019 states have (on average 1.1639425458147599) internal successors, (2350), 2060 states have internal predecessors, (2350), 16 states have call successors, (16), 16 states have call predecessors, (16), 56 states have return successors, (206), 15 states have call predecessors, (206), 15 states have call successors, (206) [2023-04-01 22:15:10,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2572 transitions. [2023-04-01 22:15:10,625 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2572 transitions. Word has length 206 [2023-04-01 22:15:10,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:10,626 INFO L495 AbstractCegarLoop]: Abstraction has 2092 states and 2572 transitions. [2023-04-01 22:15:10,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 22:15:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2572 transitions. [2023-04-01 22:15:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-01 22:15:10,629 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:10,630 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:10,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:10,835 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 22:15:10,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:10,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:10,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1095089034, now seen corresponding path program 1 times [2023-04-01 22:15:10,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:10,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848800480] [2023-04-01 22:15:10,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:10,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-04-01 22:15:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:11,352 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 44 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 22:15:11,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:11,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848800480] [2023-04-01 22:15:11,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848800480] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:11,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260793519] [2023-04-01 22:15:11,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:11,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:11,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:11,353 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 22:15:11,356 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 22:15:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:11,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:11,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:11,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:11,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260793519] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:11,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:11,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2023-04-01 22:15:11,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560876999] [2023-04-01 22:15:11,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:11,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:15:11,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:12,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:15:12,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:15:12,000 INFO L87 Difference]: Start difference. First operand 2092 states and 2572 transitions. Second operand has 13 states, 13 states have (on average 40.23076923076923) internal successors, (523), 11 states have internal predecessors, (523), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:15:14,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:14,052 INFO L93 Difference]: Finished difference Result 4576 states and 5705 transitions. [2023-04-01 22:15:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-04-01 22:15:14,053 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 40.23076923076923) internal successors, (523), 11 states have internal predecessors, (523), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 247 [2023-04-01 22:15:14,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:14,061 INFO L225 Difference]: With dead ends: 4576 [2023-04-01 22:15:14,061 INFO L226 Difference]: Without dead ends: 2490 [2023-04-01 22:15:14,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 514 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2023-04-01 22:15:14,066 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 1546 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1550 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 2873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:14,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1550 Valid, 117 Invalid, 2873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 2647 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:15:14,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2023-04-01 22:15:14,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2388. [2023-04-01 22:15:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2388 states, 2306 states have (on average 1.108846487424111) internal successors, (2557), 2352 states have internal predecessors, (2557), 18 states have call successors, (18), 18 states have call predecessors, (18), 63 states have return successors, (168), 17 states have call predecessors, (168), 17 states have call successors, (168) [2023-04-01 22:15:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 2743 transitions. [2023-04-01 22:15:14,119 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 2743 transitions. Word has length 247 [2023-04-01 22:15:14,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:14,119 INFO L495 AbstractCegarLoop]: Abstraction has 2388 states and 2743 transitions. [2023-04-01 22:15:14,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 40.23076923076923) internal successors, (523), 11 states have internal predecessors, (523), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:15:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2743 transitions. [2023-04-01 22:15:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-04-01 22:15:14,122 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:14,122 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, 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, 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 22:15:14,130 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 22:15:14,327 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 22:15:14,328 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:14,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:14,328 INFO L85 PathProgramCache]: Analyzing trace with hash -638009050, now seen corresponding path program 1 times [2023-04-01 22:15:14,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:14,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040692322] [2023-04-01 22:15:14,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:14,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-01 22:15:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:15:14,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:14,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040692322] [2023-04-01 22:15:14,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040692322] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:14,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701908895] [2023-04-01 22:15:14,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:14,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:14,758 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 22:15:14,800 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 22:15:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:14,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:14,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:15,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:15,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701908895] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:15,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:15,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-04-01 22:15:15,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620277481] [2023-04-01 22:15:15,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:15,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:15:15,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:15,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:15:15,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:15:15,341 INFO L87 Difference]: Start difference. First operand 2388 states and 2743 transitions. Second operand has 12 states, 12 states have (on average 43.583333333333336) internal successors, (523), 10 states have internal predecessors, (523), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-04-01 22:15:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:16,684 INFO L93 Difference]: Finished difference Result 6788 states and 7774 transitions. [2023-04-01 22:15:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 22:15:16,685 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 43.583333333333336) internal successors, (523), 10 states have internal predecessors, (523), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 249 [2023-04-01 22:15:16,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:16,693 INFO L225 Difference]: With dead ends: 6788 [2023-04-01 22:15:16,693 INFO L226 Difference]: Without dead ends: 2801 [2023-04-01 22:15:16,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 504 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-04-01 22:15:16,700 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1490 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:16,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 56 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 22:15:16,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2023-04-01 22:15:16,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2366. [2023-04-01 22:15:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 2295 states have (on average 1.0827886710239651) internal successors, (2485), 2330 states have internal predecessors, (2485), 18 states have call successors, (18), 18 states have call predecessors, (18), 52 states have return successors, (133), 17 states have call predecessors, (133), 17 states have call successors, (133) [2023-04-01 22:15:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 2636 transitions. [2023-04-01 22:15:16,751 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 2636 transitions. Word has length 249 [2023-04-01 22:15:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:16,752 INFO L495 AbstractCegarLoop]: Abstraction has 2366 states and 2636 transitions. [2023-04-01 22:15:16,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 43.583333333333336) internal successors, (523), 10 states have internal predecessors, (523), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-04-01 22:15:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2636 transitions. [2023-04-01 22:15:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-04-01 22:15:16,755 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:16,755 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:16,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-04-01 22:15:16,960 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 22:15:16,961 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:16,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:16,961 INFO L85 PathProgramCache]: Analyzing trace with hash -339272162, now seen corresponding path program 1 times [2023-04-01 22:15:16,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:16,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190341128] [2023-04-01 22:15:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:16,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:15:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 17 proven. 33 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-01 22:15:17,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:17,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190341128] [2023-04-01 22:15:17,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190341128] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:17,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540103890] [2023-04-01 22:15:17,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:17,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:17,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:17,925 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 22:15:17,967 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 22:15:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:18,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 18 conjunts are in the unsatisfiable core [2023-04-01 22:15:18,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 4 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:18,545 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:20,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540103890] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:20,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:15:20,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-04-01 22:15:20,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079427505] [2023-04-01 22:15:20,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:20,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:15:20,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:20,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:15:20,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=248, Unknown=1, NotChecked=0, Total=306 [2023-04-01 22:15:20,733 INFO L87 Difference]: Start difference. First operand 2366 states and 2636 transitions. Second operand has 16 states, 16 states have (on average 21.125) internal successors, (338), 13 states have internal predecessors, (338), 7 states have call successors, (10), 9 states have call predecessors, (10), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-04-01 22:15:29,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:15:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:30,399 INFO L93 Difference]: Finished difference Result 7575 states and 8816 transitions. [2023-04-01 22:15:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-04-01 22:15:30,400 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 21.125) internal successors, (338), 13 states have internal predecessors, (338), 7 states have call successors, (10), 9 states have call predecessors, (10), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 285 [2023-04-01 22:15:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:30,414 INFO L225 Difference]: With dead ends: 7575 [2023-04-01 22:15:30,414 INFO L226 Difference]: Without dead ends: 5334 [2023-04-01 22:15:30,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=374, Invalid=1107, Unknown=1, NotChecked=0, Total=1482 [2023-04-01 22:15:30,420 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 3403 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 3380 mSolverCounterSat, 575 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3403 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 3956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 3380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:30,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3403 Valid, 171 Invalid, 3956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 3380 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-04-01 22:15:30,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2023-04-01 22:15:30,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 4565. [2023-04-01 22:15:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4565 states, 4437 states have (on average 1.090601757944557) internal successors, (4839), 4499 states have internal predecessors, (4839), 33 states have call successors, (33), 33 states have call predecessors, (33), 94 states have return successors, (338), 32 states have call predecessors, (338), 32 states have call successors, (338) [2023-04-01 22:15:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 5210 transitions. [2023-04-01 22:15:30,514 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 5210 transitions. Word has length 285 [2023-04-01 22:15:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:30,514 INFO L495 AbstractCegarLoop]: Abstraction has 4565 states and 5210 transitions. [2023-04-01 22:15:30,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 21.125) internal successors, (338), 13 states have internal predecessors, (338), 7 states have call successors, (10), 9 states have call predecessors, (10), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-04-01 22:15:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 5210 transitions. [2023-04-01 22:15:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-04-01 22:15:30,520 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:30,520 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, 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, 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] [2023-04-01 22:15:30,532 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 22:15:30,720 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 22:15:30,721 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:30,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:30,721 INFO L85 PathProgramCache]: Analyzing trace with hash 387323522, now seen corresponding path program 1 times [2023-04-01 22:15:30,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:30,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935257681] [2023-04-01 22:15:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:30,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:15:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-01 22:15:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-04-01 22:15:31,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:31,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935257681] [2023-04-01 22:15:31,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935257681] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:31,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123551296] [2023-04-01 22:15:31,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:31,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:31,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:31,205 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 22:15:31,207 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 22:15:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:31,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-01 22:15:31,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-04-01 22:15:31,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:15:31,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123551296] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:31,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:15:31,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-04-01 22:15:31,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605667203] [2023-04-01 22:15:31,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:31,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:15:31,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:15:31,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:15:31,354 INFO L87 Difference]: Start difference. First operand 4565 states and 5210 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 22:15:31,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:31,749 INFO L93 Difference]: Finished difference Result 9702 states and 11119 transitions. [2023-04-01 22:15:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:15:31,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 343 [2023-04-01 22:15:31,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:31,762 INFO L225 Difference]: With dead ends: 9702 [2023-04-01 22:15:31,762 INFO L226 Difference]: Without dead ends: 5141 [2023-04-01 22:15:31,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:15:31,769 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 123 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:31,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 209 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:15:31,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2023-04-01 22:15:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 4998. [2023-04-01 22:15:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4998 states, 4862 states have (on average 1.0941999177293296) internal successors, (5320), 4926 states have internal predecessors, (5320), 36 states have call successors, (36), 36 states have call predecessors, (36), 99 states have return successors, (381), 35 states have call predecessors, (381), 35 states have call successors, (381) [2023-04-01 22:15:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 5737 transitions. [2023-04-01 22:15:31,898 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 5737 transitions. Word has length 343 [2023-04-01 22:15:31,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:31,899 INFO L495 AbstractCegarLoop]: Abstraction has 4998 states and 5737 transitions. [2023-04-01 22:15:31,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 22:15:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 5737 transitions. [2023-04-01 22:15:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2023-04-01 22:15:31,910 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:31,910 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:31,915 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 22:15:32,115 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 22:15:32,115 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:32,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:32,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1230082067, now seen corresponding path program 1 times [2023-04-01 22:15:32,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:32,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588255257] [2023-04-01 22:15:32,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:32,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-01 22:15:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-04-01 22:15:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 182 proven. 114 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-04-01 22:15:32,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:32,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588255257] [2023-04-01 22:15:32,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588255257] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:32,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115814457] [2023-04-01 22:15:32,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:32,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:32,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:32,491 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:15:32,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 22:15:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:32,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-04-01 22:15:32,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:33,079 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 183 proven. 115 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-04-01 22:15:33,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115814457] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:33,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:33,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:15:33,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598309867] [2023-04-01 22:15:33,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:33,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:15:33,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:33,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:15:33,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:15:33,082 INFO L87 Difference]: Start difference. First operand 4998 states and 5737 transitions. Second operand has 11 states, 11 states have (on average 56.63636363636363) internal successors, (623), 9 states have internal predecessors, (623), 4 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:34,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:34,431 INFO L93 Difference]: Finished difference Result 10294 states and 11788 transitions. [2023-04-01 22:15:34,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-01 22:15:34,431 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 56.63636363636363) internal successors, (623), 9 states have internal predecessors, (623), 4 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 422 [2023-04-01 22:15:34,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:34,445 INFO L225 Difference]: With dead ends: 10294 [2023-04-01 22:15:34,445 INFO L226 Difference]: Without dead ends: 5445 [2023-04-01 22:15:34,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 854 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2023-04-01 22:15:34,453 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 891 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2202 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:34,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 75 Invalid, 2325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2202 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:15:34,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2023-04-01 22:15:34,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5155. [2023-04-01 22:15:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5155 states, 5010 states have (on average 1.0842315369261477) internal successors, (5432), 5081 states have internal predecessors, (5432), 37 states have call successors, (37), 37 states have call predecessors, (37), 107 states have return successors, (345), 36 states have call predecessors, (345), 36 states have call successors, (345) [2023-04-01 22:15:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 5814 transitions. [2023-04-01 22:15:34,564 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 5814 transitions. Word has length 422 [2023-04-01 22:15:34,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:34,564 INFO L495 AbstractCegarLoop]: Abstraction has 5155 states and 5814 transitions. [2023-04-01 22:15:34,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 56.63636363636363) internal successors, (623), 9 states have internal predecessors, (623), 4 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 5814 transitions. [2023-04-01 22:15:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2023-04-01 22:15:34,574 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:34,574 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:34,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:34,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-01 22:15:34,780 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:34,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1944291382, now seen corresponding path program 1 times [2023-04-01 22:15:34,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550192445] [2023-04-01 22:15:34,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:15:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-01 22:15:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-04-01 22:15:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 107 proven. 263 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-04-01 22:15:35,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:35,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550192445] [2023-04-01 22:15:35,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550192445] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:35,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542698137] [2023-04-01 22:15:35,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:35,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:35,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:35,797 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:15:35,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-01 22:15:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:35,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 19 conjunts are in the unsatisfiable core [2023-04-01 22:15:35,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 8 proven. 357 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-04-01 22:15:37,396 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:37,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542698137] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:37,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:15:37,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2023-04-01 22:15:37,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378894500] [2023-04-01 22:15:37,489 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:37,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-01 22:15:37,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:37,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-01 22:15:37,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-04-01 22:15:37,490 INFO L87 Difference]: Start difference. First operand 5155 states and 5814 transitions. Second operand has 19 states, 19 states have (on average 29.68421052631579) internal successors, (564), 17 states have internal predecessors, (564), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-04-01 22:15:40,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:15:43,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:15:46,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:15:51,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:15:53,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:15:55,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:15:58,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:00,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:03,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:07,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:10,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:13,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:15,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:19,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:24,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:25,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:16:25,624 INFO L93 Difference]: Finished difference Result 13153 states and 14800 transitions. [2023-04-01 22:16:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-04-01 22:16:25,625 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 29.68421052631579) internal successors, (564), 17 states have internal predecessors, (564), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 441 [2023-04-01 22:16:25,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:16:25,641 INFO L225 Difference]: With dead ends: 13153 [2023-04-01 22:16:25,641 INFO L226 Difference]: Without dead ends: 8002 [2023-04-01 22:16:25,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 521 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2886 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=1239, Invalid=7130, Unknown=3, NotChecked=0, Total=8372 [2023-04-01 22:16:25,651 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 6882 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 6335 mSolverCounterSat, 1163 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6882 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 7512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1163 IncrementalHoareTripleChecker+Valid, 6335 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:16:25,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6882 Valid, 249 Invalid, 7512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1163 Valid, 6335 Invalid, 14 Unknown, 0 Unchecked, 39.2s Time] [2023-04-01 22:16:25,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2023-04-01 22:16:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 6824. [2023-04-01 22:16:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6824 states, 6609 states have (on average 1.0780753517930095) internal successors, (7125), 6728 states have internal predecessors, (7125), 48 states have call successors, (48), 48 states have call predecessors, (48), 166 states have return successors, (445), 47 states have call predecessors, (445), 47 states have call successors, (445) [2023-04-01 22:16:25,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6824 states to 6824 states and 7618 transitions. [2023-04-01 22:16:25,782 INFO L78 Accepts]: Start accepts. Automaton has 6824 states and 7618 transitions. Word has length 441 [2023-04-01 22:16:25,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:16:25,782 INFO L495 AbstractCegarLoop]: Abstraction has 6824 states and 7618 transitions. [2023-04-01 22:16:25,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 29.68421052631579) internal successors, (564), 17 states have internal predecessors, (564), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-04-01 22:16:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6824 states and 7618 transitions. [2023-04-01 22:16:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2023-04-01 22:16:25,793 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:16:25,794 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:16:25,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-04-01 22:16:25,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:16:26,000 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:16:26,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:16:26,000 INFO L85 PathProgramCache]: Analyzing trace with hash -263154434, now seen corresponding path program 1 times [2023-04-01 22:16:26,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:16:26,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446169986] [2023-04-01 22:16:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:16:26,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:16:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:16:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:26,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:16:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-01 22:16:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-04-01 22:16:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2023-04-01 22:16:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 547 proven. 44 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-04-01 22:16:27,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:16:27,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446169986] [2023-04-01 22:16:27,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446169986] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:16:27,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600165580] [2023-04-01 22:16:27,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:16:27,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:16:27,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:16:27,068 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:16:27,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-04-01 22:16:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:27,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:16:27,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:16:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 549 proven. 46 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-04-01 22:16:27,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:16:27,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600165580] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:16:27,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:16:27,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2023-04-01 22:16:27,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072354371] [2023-04-01 22:16:27,897 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-04-01 22:16:27,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-01 22:16:27,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:16:27,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-01 22:16:27,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2023-04-01 22:16:27,898 INFO L87 Difference]: Start difference. First operand 6824 states and 7618 transitions. Second operand has 17 states, 17 states have (on average 28.470588235294116) internal successors, (484), 15 states have internal predecessors, (484), 8 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 22:16:30,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:33,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:37,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-04-01 22:16:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:16:39,203 INFO L93 Difference]: Finished difference Result 14141 states and 15884 transitions. [2023-04-01 22:16:39,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-01 22:16:39,204 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 28.470588235294116) internal successors, (484), 15 states have internal predecessors, (484), 8 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 6 states have call successors, (10) Word has length 555 [2023-04-01 22:16:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:16:39,204 INFO L225 Difference]: With dead ends: 14141 [2023-04-01 22:16:39,204 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:16:39,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 596 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=366, Invalid=966, Unknown=0, NotChecked=0, Total=1332 [2023-04-01 22:16:39,219 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 1324 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 3479 mSolverCounterSat, 278 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 3479 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:16:39,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 132 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 3479 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2023-04-01 22:16:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:16:39,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:16:39,220 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 22:16:39,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:16:39,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 555 [2023-04-01 22:16:39,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:16:39,220 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:16:39,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 28.470588235294116) internal successors, (484), 15 states have internal predecessors, (484), 8 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 22:16:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:16:39,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:16:39,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:16:39,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-04-01 22:16:39,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 22:16:39,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:16:51,414 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:16:51,414 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:16:51,414 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:16:51,414 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:16:51,415 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse8 (= ~a10~0 0)) (.cse6 (<= ~a1~0 505232)) (.cse2 (= ~a10~0 2)) (.cse4 (<= 56 ~a1~0)) (.cse9 (< 218 ~a1~0)) (.cse5 (= ~a19~0 9)) (.cse11 (<= ~a1~0 589865)) (.cse7 (<= 3 ~a10~0)) (.cse1 (= ~a19~0 8)) (.cse10 (= ~a10~0 1)) (.cse3 (<= ~a1~0 12))) (or (and .cse0 (not .cse1)) (and (<= ~a19~0 9) .cse2 .cse3) (and .cse0 .cse4) (and .cse0 (exists ((v_~a1~0_410 Int)) (and (<= (+ 545163 ~a1~0) (div (* v_~a1~0_410 9) 10)) (< 218 v_~a1~0_410) (<= v_~a1~0_410 505271)))) (and .cse0 .cse2) (and .cse5 .cse6 .cse7) (not (= 14 ~a4~0)) (and (<= ~a10~0 1) .cse0) (and .cse8 .cse5) (and .cse8 .cse6) (and .cse5 .cse9 .cse2) (< 23 |old(~a1~0)|) (and .cse10 (<= ~a1~0 (+ 505228 (div |old(~a1~0)| 5))) .cse4) (and .cse10 .cse9 .cse11) (and .cse5 .cse11 (< ~a10~0 4) .cse7) (and (= ~a10~0 4) .cse1 (<= (+ 14285 ~a1~0) 0)) (not (= 0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (< |old(~a1~0)| 23) (not (= ~a12~0 0)) (and .cse10 .cse3))) [2023-04-01 22:16:51,415 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-04-01 22:16:51,415 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-04-01 22:16:51,415 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse8 (= ~a10~0 0)) (.cse6 (<= ~a1~0 505232)) (.cse2 (= ~a10~0 2)) (.cse4 (<= 56 ~a1~0)) (.cse9 (< 218 ~a1~0)) (.cse5 (= ~a19~0 9)) (.cse11 (<= ~a1~0 589865)) (.cse7 (<= 3 ~a10~0)) (.cse1 (= ~a19~0 8)) (.cse10 (= ~a10~0 1)) (.cse3 (<= ~a1~0 12))) (or (and .cse0 (not .cse1)) (and (<= ~a19~0 9) .cse2 .cse3) (and .cse0 .cse4) (and .cse0 (exists ((v_~a1~0_410 Int)) (and (<= (+ 545163 ~a1~0) (div (* v_~a1~0_410 9) 10)) (< 218 v_~a1~0_410) (<= v_~a1~0_410 505271)))) (and .cse0 .cse2) (and .cse5 .cse6 .cse7) (not (= 14 ~a4~0)) (and (<= ~a10~0 1) .cse0) (and .cse8 .cse5) (and .cse8 .cse6) (and .cse5 .cse9 .cse2) (< 23 |old(~a1~0)|) (and .cse10 (<= ~a1~0 (+ 505228 (div |old(~a1~0)| 5))) .cse4) (and .cse10 .cse9 .cse11) (and .cse5 .cse11 (< ~a10~0 4) .cse7) (and (= ~a10~0 4) .cse1 (<= (+ 14285 ~a1~0) 0)) (not (= 0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (< |old(~a1~0)| 23) (not (= ~a12~0 0)) (and .cse10 .cse3))) [2023-04-01 22:16:51,415 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:16:51,415 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (not (= 14 ~a4~0)) (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (< |old(~a1~0)| 23) (not (= ~a12~0 0))) [2023-04-01 22:16:51,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:16:51,415 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 22:16:51,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:16:51,415 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-04-01 22:16:51,415 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,416 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,417 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:16:51,418 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,419 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,420 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:16:51,421 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:16:51,422 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse19 (= ~a19~0 |old(~a19~0)|)) (.cse18 (= ~a19~0 9)) (.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse20 (= ~a10~0 |old(~a10~0)|))) (let ((.cse10 (and .cse18 .cse6 .cse20)) (.cse14 (not (= |old(~a10~0)| 1))) (.cse15 (and .cse19 (= ~a10~0 1) .cse6)) (.cse3 (< 12 |old(~a1~0)|)) (.cse16 (< 589865 |old(~a1~0)|)) (.cse12 (not (= 9 |old(~a19~0)|))) (.cse13 (< 505232 |old(~a1~0)|)) (.cse11 (not (= 0 |old(~a10~0)|))) (.cse7 (< |old(~a10~0)| 3)) (.cse17 (< |old(~a1~0)| 56)) (.cse8 (= 8 |old(~a19~0)|)) (.cse2 (not (= 2 |old(~a10~0)|))) (.cse4 (< 9 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse9 (< 8 |old(~a19~0)|)) (.cse1 (and .cse19 .cse6 .cse20)) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 4 |old(~a10~0)|)) (and (= ~a10~0 4) .cse6 (= ~a19~0 8)) .cse0 .cse7 (not .cse8) .cse9 (< 0 (+ 14285 |old(~a1~0)|)) .cse5) (or .cse0 .cse10 .cse11 .cse12 .cse5) (or .cse0 .cse7 .cse13 .cse10 .cse12 .cse5) (or .cse14 .cse0 .cse15 .cse16 .cse17 .cse5) (or .cse14 .cse0 .cse15 .cse3 .cse5) (or .cse0 (and .cse18 .cse6 (= ~a10~0 2)) (<= |old(~a1~0)| 218) .cse2 .cse4 .cse12 .cse5) (or .cse0 .cse7 (and .cse18 .cse6 (< ~a10~0 4) (<= 3 ~a10~0)) .cse16 .cse12 .cse5 (<= 4 |old(~a10~0)|)) (or .cse0 .cse7 .cse9 .cse1 .cse5 (forall ((v_~a1~0_410 Int)) (or (< (div (* v_~a1~0_410 9) 10) (+ 545163 |old(~a1~0)|)) (< 505271 v_~a1~0_410) (<= v_~a1~0_410 218)))) (or (and (= ~a10~0 0) .cse19 .cse6) .cse0 .cse13 .cse11 .cse5) (or .cse0 .cse7 .cse9 .cse1 .cse17 .cse5) (or .cse8 .cse0 .cse9 .cse1 .cse5) (or .cse0 .cse9 .cse1 .cse2 .cse4 .cse5) (or .cse0 (< 1 |old(~a10~0)|) .cse9 .cse1 .cse5)))) [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:16:51,423 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0)) [2023-04-01 22:16:51,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:16:51,424 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:16:51,427 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:16:51,428 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:16:51,433 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:16:51 BoogieIcfgContainer [2023-04-01 22:16:51,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:16:51,441 INFO L158 Benchmark]: Toolchain (without parser) took 111087.24ms. Allocated memory was 310.4MB in the beginning and 720.4MB in the end (delta: 410.0MB). Free memory was 249.9MB in the beginning and 363.7MB in the end (delta: -113.8MB). Peak memory consumption was 424.6MB. Max. memory is 8.0GB. [2023-04-01 22:16:51,441 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 191.9MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:16:51,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.40ms. Allocated memory is still 310.4MB. Free memory was 249.9MB in the beginning and 222.1MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-04-01 22:16:51,442 INFO L158 Benchmark]: Boogie Preprocessor took 87.64ms. Allocated memory is still 310.4MB. Free memory was 222.1MB in the beginning and 217.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 22:16:51,442 INFO L158 Benchmark]: RCFGBuilder took 921.85ms. Allocated memory is still 310.4MB. Free memory was 217.9MB in the beginning and 134.5MB in the end (delta: 83.4MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2023-04-01 22:16:51,442 INFO L158 Benchmark]: TraceAbstraction took 109631.15ms. Allocated memory was 310.4MB in the beginning and 720.4MB in the end (delta: 410.0MB). Free memory was 134.0MB in the beginning and 363.7MB in the end (delta: -229.7MB). Peak memory consumption was 308.2MB. Max. memory is 8.0GB. [2023-04-01 22:16:51,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 191.9MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 441.40ms. Allocated memory is still 310.4MB. Free memory was 249.9MB in the beginning and 222.1MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.64ms. Allocated memory is still 310.4MB. Free memory was 222.1MB in the beginning and 217.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 921.85ms. Allocated memory is still 310.4MB. Free memory was 217.9MB in the beginning and 134.5MB in the end (delta: 83.4MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. * TraceAbstraction took 109631.15ms. Allocated memory was 310.4MB in the beginning and 720.4MB in the end (delta: 410.0MB). Free memory was 134.0MB in the beginning and 363.7MB in the end (delta: -229.7MB). Peak memory consumption was 308.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] * 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: 83]: 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: 109.6s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 79.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 19478 SdHoareTripleChecker+Valid, 62.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19469 mSDsluCounter, 1544 SdHoareTripleChecker+Invalid, 59.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 887 mSDsCounter, 3660 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25288 IncrementalHoareTripleChecker+Invalid, 28966 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3660 mSolverCounterUnsat, 657 mSDtfsCounter, 25288 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4667 GetRequests, 4357 SyntacticMatches, 9 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3991 ImplicationChecksByTransitivity, 18.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6824occurred in iteration=12, InterpolantAutomatonStates: 243, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 4141 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 299 PreInvPairs, 455 NumberOfFragments, 855 HoareAnnotationTreeSize, 299 FomulaSimplifications, 555116 FormulaSimplificationTreeSizeReduction, 8.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24501 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 6386 NumberOfCodeBlocks, 6386 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 7466 ConstructedInterpolants, 75 QuantifiedInterpolants, 23173 SizeOfPredicates, 14 NumberOfNonLiveVariables, 5217 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 27 InterpolantComputations, 6 PerfectInterpolantSequences, 5226/6529 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 [2023-04-01 22:16:51,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] [2023-04-01 22:16:51,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_410,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((a19 <= 8 && !(a19 == 8)) || ((a19 <= 9 && a10 == 2) && a1 <= 12)) || (a19 <= 8 && 56 <= a1)) || (a19 <= 8 && (\exists v_~a1~0_410 : int :: (545163 + a1 <= v_~a1~0_410 * 9 / 10 && 218 < v_~a1~0_410) && v_~a1~0_410 <= 505271))) || (a19 <= 8 && a10 == 2)) || ((a19 == 9 && a1 <= 505232) && 3 <= a10)) || !(14 == a4)) || (a10 <= 1 && a19 <= 8)) || (a10 == 0 && a19 == 9)) || (a10 == 0 && a1 <= 505232)) || ((a19 == 9 && 218 < a1) && a10 == 2)) || 23 < \old(a1)) || ((a10 == 1 && a1 <= 505228 + \old(a1) / 5) && 56 <= a1)) || ((a10 == 1 && 218 < a1) && a1 <= 589865)) || (((a19 == 9 && a1 <= 589865) && a10 < 4) && 3 <= a10)) || ((a10 == 4 && a19 == 8) && 14285 + a1 <= 0)) || !(0 == \old(a10))) || !(9 == \old(a19))) || \old(a1) < 23) || !(a12 == 0)) || (a10 == 1 && a1 <= 12) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:16:51,478 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...