/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/Problem01_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:41:18,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:41:18,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:41:18,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:41:18,891 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 [2023-03-30 22:41:18,916 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:41:18,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:41:18,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:41:18,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:41:18,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:41:18,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:41:18,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:41:18,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:41:18,918 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:41:18,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:41:18,918 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:41:18,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:41:18,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:41:18,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:41:18,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:41:18,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:41:18,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:41:18,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:41:18,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:41:18,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:41:18,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:41:18,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:41:18,920 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:41:18,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:41:18,921 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:41:18,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:41:19,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:41:19,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:41:19,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:41:19,119 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:41:19,120 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:41:19,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2023-03-30 22:41:20,366 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:41:20,558 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:41:20,558 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2023-03-30 22:41:20,566 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5728fe1/b59eb1991af244a6be654cbbb05920d6/FLAG9d1a798b1 [2023-03-30 22:41:20,581 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5728fe1/b59eb1991af244a6be654cbbb05920d6 [2023-03-30 22:41:20,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:41:20,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:41:20,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:41:20,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:41:20,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:41:20,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:20,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20, skipping insertion in model container [2023-03-30 22:41:20,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:20,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:41:20,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:41:20,815 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/Problem01_label24.c[17735,17748] [2023-03-30 22:41:20,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:41:20,870 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:41:20,950 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/Problem01_label24.c[17735,17748] [2023-03-30 22:41:20,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:41:20,970 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:41:20,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20 WrapperNode [2023-03-30 22:41:20,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:41:20,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:41:20,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:41:20,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:41:20,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:20,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:20,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:20,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:21,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:21,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:21,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:21,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:21,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:41:21,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:41:21,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:41:21,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:41:21,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (1/1) ... [2023-03-30 22:41:21,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:41:21,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:41:21,100 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) [2023-03-30 22:41:21,136 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 [2023-03-30 22:41:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:41:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:41:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:41:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:41:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:41:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:41:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:41:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:41:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:41:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:41:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:41:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:41:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:41:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:41:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:41:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:41:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:41:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:41:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:41:21,225 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:41:21,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:41:22,001 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:41:22,010 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:41:22,010 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:41:22,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:41:22 BoogieIcfgContainer [2023-03-30 22:41:22,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:41:22,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:41:22,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:41:22,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:41:22,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:41:20" (1/3) ... [2023-03-30 22:41:22,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be6880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:41:22, skipping insertion in model container [2023-03-30 22:41:22,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:41:20" (2/3) ... [2023-03-30 22:41:22,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be6880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:41:22, skipping insertion in model container [2023-03-30 22:41:22,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:41:22" (3/3) ... [2023-03-30 22:41:22,019 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label24.c [2023-03-30 22:41:22,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:41:22,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:41:22,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:41:22,079 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;@4a1c939d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:41:22,079 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:41:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 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) [2023-03-30 22:41:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-03-30 22:41:22,092 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:41:22,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:41:22,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:41:22,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:41:22,097 INFO L85 PathProgramCache]: Analyzing trace with hash -802131189, now seen corresponding path program 1 times [2023-03-30 22:41:22,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:41:22,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568152837] [2023-03-30 22:41:22,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:22,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:41:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:41:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:41:22,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:41:22,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568152837] [2023-03-30 22:41:22,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568152837] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:41:22,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:41:22,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 22:41:22,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630803770] [2023-03-30 22:41:22,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:41:22,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-30 22:41:22,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:41:22,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-30 22:41:22,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-30 22:41:22,820 INFO L87 Difference]: Start difference. First operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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) [2023-03-30 22:41:23,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:41:23,693 INFO L93 Difference]: Finished difference Result 582 states and 980 transitions. [2023-03-30 22:41:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:41:23,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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 104 [2023-03-30 22:41:23,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:41:23,703 INFO L225 Difference]: With dead ends: 582 [2023-03-30 22:41:23,703 INFO L226 Difference]: Without dead ends: 286 [2023-03-30 22:41:23,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-30 22:41:23,709 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 454 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:41:23,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 21 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:41:23,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-03-30 22:41:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2023-03-30 22:41:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 272 states have (on average 1.4227941176470589) internal successors, (387), 274 states have internal predecessors, (387), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-03-30 22:41:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 398 transitions. [2023-03-30 22:41:23,752 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 398 transitions. Word has length 104 [2023-03-30 22:41:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:41:23,753 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 398 transitions. [2023-03-30 22:41:23,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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) [2023-03-30 22:41:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 398 transitions. [2023-03-30 22:41:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-03-30 22:41:23,756 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:41:23,756 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-30 22:41:23,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:41:23,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:41:23,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:41:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash -228120603, now seen corresponding path program 1 times [2023-03-30 22:41:23,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:41:23,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907738396] [2023-03-30 22:41:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:41:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:23,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:41:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:23,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:41:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:41:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:41:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907738396] [2023-03-30 22:41:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907738396] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:41:23,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:41:23,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 22:41:23,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887422933] [2023-03-30 22:41:23,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:41:23,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 22:41:23,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:41:23,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 22:41:23,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:41:23,981 INFO L87 Difference]: Start difference. First operand 282 states and 398 transitions. Second operand has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 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) [2023-03-30 22:41:24,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:41:24,734 INFO L93 Difference]: Finished difference Result 854 states and 1245 transitions. [2023-03-30 22:41:24,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-30 22:41:24,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 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 114 [2023-03-30 22:41:24,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:41:24,738 INFO L225 Difference]: With dead ends: 854 [2023-03-30 22:41:24,738 INFO L226 Difference]: Without dead ends: 578 [2023-03-30 22:41:24,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:41:24,740 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 895 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:41:24,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 39 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:41:24,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-03-30 22:41:24,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 558. [2023-03-30 22:41:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 541 states have (on average 1.4029574861367837) internal successors, (759), 546 states have internal predecessors, (759), 6 states have call successors, (6), 6 states have call predecessors, (6), 10 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-03-30 22:41:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2023-03-30 22:41:24,777 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 114 [2023-03-30 22:41:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:41:24,777 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2023-03-30 22:41:24,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 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) [2023-03-30 22:41:24,777 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2023-03-30 22:41:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-03-30 22:41:24,780 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:41:24,781 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-30 22:41:24,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 22:41:24,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:41:24,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:41:24,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1068252829, now seen corresponding path program 1 times [2023-03-30 22:41:24,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:41:24,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476085617] [2023-03-30 22:41:24,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:24,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:41:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:41:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:25,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:41:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:41:25,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:41:25,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476085617] [2023-03-30 22:41:25,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476085617] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:41:25,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717123296] [2023-03-30 22:41:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:25,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:41:25,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:41:25,461 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) [2023-03-30 22:41:25,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 22:41:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:25,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:41:25,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:41:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:41:25,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:41:25,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717123296] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:41:25,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:41:25,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:41:25,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217128515] [2023-03-30 22:41:25,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:41:25,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:41:25,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:41:25,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:41:25,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:41:25,769 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2023-03-30 22:41:26,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:41:26,087 INFO L93 Difference]: Finished difference Result 1384 states and 1972 transitions. [2023-03-30 22:41:26,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:41:26,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 115 [2023-03-30 22:41:26,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:41:26,091 INFO L225 Difference]: With dead ends: 1384 [2023-03-30 22:41:26,091 INFO L226 Difference]: Without dead ends: 832 [2023-03-30 22:41:26,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:41:26,093 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 36 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:41:26,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 222 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:41:26,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2023-03-30 22:41:26,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2023-03-30 22:41:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 809 states have (on average 1.3436341161928307) internal successors, (1087), 816 states have internal predecessors, (1087), 8 states have call successors, (8), 8 states have call predecessors, (8), 14 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2023-03-30 22:41:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1138 transitions. [2023-03-30 22:41:26,140 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1138 transitions. Word has length 115 [2023-03-30 22:41:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:41:26,141 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1138 transitions. [2023-03-30 22:41:26,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2023-03-30 22:41:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1138 transitions. [2023-03-30 22:41:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-03-30 22:41:26,144 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:41:26,144 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:41:26,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-30 22:41:26,352 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 [2023-03-30 22:41:26,352 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:41:26,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:41:26,352 INFO L85 PathProgramCache]: Analyzing trace with hash -932047397, now seen corresponding path program 1 times [2023-03-30 22:41:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:41:26,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564442193] [2023-03-30 22:41:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:41:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:41:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:41:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:41:26,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:41:26,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564442193] [2023-03-30 22:41:26,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564442193] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:41:26,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:41:26,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 22:41:26,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912706086] [2023-03-30 22:41:26,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:41:26,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 22:41:26,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:41:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 22:41:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:41:26,770 INFO L87 Difference]: Start difference. First operand 832 states and 1138 transitions. Second operand has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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) [2023-03-30 22:41:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:41:27,459 INFO L93 Difference]: Finished difference Result 2556 states and 3661 transitions. [2023-03-30 22:41:27,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:41:27,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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 119 [2023-03-30 22:41:27,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:41:27,468 INFO L225 Difference]: With dead ends: 2556 [2023-03-30 22:41:27,468 INFO L226 Difference]: Without dead ends: 1730 [2023-03-30 22:41:27,471 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 [2023-03-30 22:41:27,477 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 704 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-30 22:41:27,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 47 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-30 22:41:27,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2023-03-30 22:41:27,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1420. [2023-03-30 22:41:27,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1365 states have (on average 1.2483516483516484) internal successors, (1704), 1396 states have internal predecessors, (1704), 12 states have call successors, (12), 12 states have call predecessors, (12), 42 states have return successors, (126), 11 states have call predecessors, (126), 11 states have call successors, (126) [2023-03-30 22:41:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1842 transitions. [2023-03-30 22:41:27,550 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1842 transitions. Word has length 119 [2023-03-30 22:41:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:41:27,550 INFO L495 AbstractCegarLoop]: Abstraction has 1420 states and 1842 transitions. [2023-03-30 22:41:27,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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) [2023-03-30 22:41:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1842 transitions. [2023-03-30 22:41:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-03-30 22:41:27,554 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:41:27,554 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:41:27,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 22:41:27,555 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:41:27,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:41:27,555 INFO L85 PathProgramCache]: Analyzing trace with hash 682546045, now seen corresponding path program 1 times [2023-03-30 22:41:27,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:41:27,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337763537] [2023-03-30 22:41:27,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:27,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:41:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:41:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:41:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:41:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:41:28,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:41:28,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337763537] [2023-03-30 22:41:28,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337763537] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:41:28,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777776206] [2023-03-30 22:41:28,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:28,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:41:28,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:41:28,046 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) [2023-03-30 22:41:28,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 22:41:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:28,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:41:28,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:41:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 22:41:28,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:41:28,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777776206] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:41:28,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:41:28,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-03-30 22:41:28,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558578720] [2023-03-30 22:41:28,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:41:28,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:41:28,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:41:28,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:41:28,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:41:28,336 INFO L87 Difference]: Start difference. First operand 1420 states and 1842 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) [2023-03-30 22:41:28,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:41:28,629 INFO L93 Difference]: Finished difference Result 3247 states and 4317 transitions. [2023-03-30 22:41:28,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:41:28,629 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 127 [2023-03-30 22:41:28,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:41:28,637 INFO L225 Difference]: With dead ends: 3247 [2023-03-30 22:41:28,637 INFO L226 Difference]: Without dead ends: 1833 [2023-03-30 22:41:28,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:41:28,640 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 42 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:41:28,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 216 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-30 22:41:28,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2023-03-30 22:41:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1698. [2023-03-30 22:41:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1635 states have (on average 1.2330275229357799) internal successors, (2016), 1670 states have internal predecessors, (2016), 14 states have call successors, (14), 14 states have call predecessors, (14), 48 states have return successors, (154), 13 states have call predecessors, (154), 13 states have call successors, (154) [2023-03-30 22:41:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2184 transitions. [2023-03-30 22:41:28,686 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2184 transitions. Word has length 127 [2023-03-30 22:41:28,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:41:28,687 INFO L495 AbstractCegarLoop]: Abstraction has 1698 states and 2184 transitions. [2023-03-30 22:41:28,687 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) [2023-03-30 22:41:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2184 transitions. [2023-03-30 22:41:28,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-03-30 22:41:28,691 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:41:28,692 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-03-30 22:41:28,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 22:41:28,901 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 [2023-03-30 22:41:28,902 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:41:28,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:41:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash 286002427, now seen corresponding path program 1 times [2023-03-30 22:41:28,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:41:28,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399144062] [2023-03-30 22:41:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:41:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:41:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:41:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-30 22:41:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:41:29,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:41:29,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399144062] [2023-03-30 22:41:29,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399144062] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:41:29,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546855859] [2023-03-30 22:41:29,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:29,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:41:29,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:41:29,067 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) [2023-03-30 22:41:29,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 22:41:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:29,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:41:29,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:41:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:41:29,251 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:41:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:41:29,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546855859] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:41:29,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:41:29,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-03-30 22:41:29,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454562038] [2023-03-30 22:41:29,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:41:29,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-30 22:41:29,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:41:29,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-30 22:41:29,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-03-30 22:41:29,353 INFO L87 Difference]: Start difference. First operand 1698 states and 2184 transitions. Second operand has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 11 states have internal predecessors, (166), 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) [2023-03-30 22:41:32,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:41:32,047 INFO L93 Difference]: Finished difference Result 5433 states and 7052 transitions. [2023-03-30 22:41:32,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-03-30 22:41:32,048 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 11 states have internal predecessors, (166), 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 134 [2023-03-30 22:41:32,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:41:32,055 INFO L225 Difference]: With dead ends: 5433 [2023-03-30 22:41:32,055 INFO L226 Difference]: Without dead ends: 2909 [2023-03-30 22:41:32,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=926, Unknown=0, NotChecked=0, Total=1190 [2023-03-30 22:41:32,061 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1642 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:41:32,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 126 Invalid, 4054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-03-30 22:41:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2023-03-30 22:41:32,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2228. [2023-03-30 22:41:32,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 2163 states have (on average 1.1040221914008321) internal successors, (2388), 2191 states have internal predecessors, (2388), 19 states have call successors, (19), 18 states have call predecessors, (19), 45 states have return successors, (145), 18 states have call predecessors, (145), 18 states have call successors, (145) [2023-03-30 22:41:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2552 transitions. [2023-03-30 22:41:32,116 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2552 transitions. Word has length 134 [2023-03-30 22:41:32,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:41:32,116 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 2552 transitions. [2023-03-30 22:41:32,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 11 states have internal predecessors, (166), 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) [2023-03-30 22:41:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2552 transitions. [2023-03-30 22:41:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-03-30 22:41:32,120 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:41:32,120 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:41:32,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 22:41:32,326 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 [2023-03-30 22:41:32,326 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:41:32,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:41:32,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1496295043, now seen corresponding path program 1 times [2023-03-30 22:41:32,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:41:32,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785504416] [2023-03-30 22:41:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:32,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:41:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:32,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:41:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:32,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:41:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:41:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-03-30 22:41:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 40 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-30 22:41:32,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:41:32,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785504416] [2023-03-30 22:41:32,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785504416] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:41:32,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75761590] [2023-03-30 22:41:32,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:41:32,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:41:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:41:32,687 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) [2023-03-30 22:41:32,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 22:41:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:41:32,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:41:32,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:41:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-30 22:41:32,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:41:32,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75761590] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:41:32,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:41:32,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-03-30 22:41:32,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721065074] [2023-03-30 22:41:32,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:41:32,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:41:32,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:41:32,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:41:32,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:41:32,892 INFO L87 Difference]: Start difference. First operand 2228 states and 2552 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2023-03-30 22:41:33,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:41:33,164 INFO L93 Difference]: Finished difference Result 6074 states and 7034 transitions. [2023-03-30 22:41:33,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:41:33,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 147 [2023-03-30 22:41:33,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:41:33,165 INFO L225 Difference]: With dead ends: 6074 [2023-03-30 22:41:33,165 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:41:33,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:41:33,172 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 40 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:41:33,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 205 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-30 22:41:33,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:41:33,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:41:33,175 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) [2023-03-30 22:41:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:41:33,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2023-03-30 22:41:33,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:41:33,176 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:41:33,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2023-03-30 22:41:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:41:33,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:41:33,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:41:33,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 22:41:33,384 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 [2023-03-30 22:41:33,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:41:36,163 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:41:36,163 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:41:36,163 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:41:36,164 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse1 (= ~a7~0 0)) (.cse2 (<= ~a17~0 0)) (.cse4 (= ~a21~0 1)) (.cse5 (<= ~a8~0 13)) (.cse0 (< 14 |old(~a8~0)|)) (.cse3 (= ~a7~0 1))) (or (not (= |old(~a7~0)| 0)) (and .cse0 .cse1) (not (= |old(~a21~0)| 1)) (and .cse0 .cse2 .cse3 (<= ~a16~0 5)) (and (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a16~0 |old(~a16~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (and .cse0 .cse5 .cse2 .cse3) (< 5 |old(~a16~0)|) (and .cse0 .cse4 .cse3 (= ~a20~0 1) (< ~a8~0 15)) (not (= |old(~a20~0)| 1)) (and .cse0 .cse5 (<= ~a21~0 0) .cse3) (and .cse0 .cse3 (<= ~a16~0 4)))) [2023-03-30 22:41:36,164 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 587 604) no Hoare annotation was computed. [2023-03-30 22:41:36,164 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-03-30 22:41:36,164 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-03-30 22:41:36,164 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (= ~a7~0 0)) (.cse2 (<= ~a17~0 0)) (.cse4 (= ~a21~0 1)) (.cse5 (<= ~a8~0 13)) (.cse0 (< 14 |old(~a8~0)|)) (.cse3 (= ~a7~0 1))) (or (not (= |old(~a7~0)| 0)) (and .cse0 .cse1) (not (= |old(~a21~0)| 1)) (and .cse0 .cse2 .cse3 (<= ~a16~0 5)) (and (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a16~0 |old(~a16~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (and .cse0 .cse5 .cse2 .cse3) (< 5 |old(~a16~0)|) (and .cse0 .cse4 .cse3 (= ~a20~0 1) (< ~a8~0 15)) (not (= |old(~a20~0)| 1)) (and .cse0 .cse5 (<= ~a21~0 0) .cse3) (and .cse0 .cse3 (<= ~a16~0 4)))) [2023-03-30 22:41:36,164 INFO L899 garLoopResultBuilder]: For program point L593-3(lines 587 604) no Hoare annotation was computed. [2023-03-30 22:41:36,164 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 587 604) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 0) (= ~a20~0 1) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a7~0)| 0)) (not (= |old(~a21~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1))) [2023-03-30 22:41:36,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~b~0 |old(~b~0)|) (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~a7~0 |old(~a7~0)|) (= ~z~0 |old(~z~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a16~0 |old(~a16~0)|) (= ~x~0 |old(~x~0)|) (= ~a8~0 |old(~a8~0)|) (= ~d~0 |old(~d~0)|) (= ~a20~0 |old(~a20~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-03-30 22:41:36,165 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,166 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 480) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-03-30 22:41:36,167 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,168 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,169 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,170 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,171 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-03-30 22:41:36,172 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-03-30 22:41:36,173 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 40 585) the Hoare annotation is: (let ((.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a7~0 1)) (.cse7 (= ~a8~0 |old(~a8~0)|)) (.cse8 (= ~a20~0 |old(~a20~0)|))) (let ((.cse1 (< 13 |old(~a8~0)|)) (.cse0 (< 0 |old(~a17~0)|)) (.cse2 (and .cse4 .cse5 .cse6 .cse9 .cse7 .cse8)) (.cse3 (not (= |old(~a7~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 0 |old(~a21~0)|) .cse1 .cse2 .cse3) (or (< 4 |old(~a16~0)|) .cse2 .cse3) (or (and .cse4 .cse5 .cse6 (= ~a7~0 0) .cse7 .cse8) (not (= |old(~a7~0)| 0))) (or (and .cse5 (= ~a21~0 1) .cse6 .cse9 .cse7 .cse8) (<= 15 |old(~a8~0)|) (not (= |old(~a21~0)| 1)) (not (= |old(~a20~0)| 1)) .cse3) (or .cse0 .cse2 (< 5 |old(~a16~0)|) .cse3)))) [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-03-30 22:41:36,174 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:41:36,175 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a7~0 0) (<= ~a16~0 5) (= ~a20~0 1)) [2023-03-30 22:41:36,175 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:41:36,176 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:41:36,178 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:41:36,179 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:41:36,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:41:36 BoogieIcfgContainer [2023-03-30 22:41:36,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:41:36,191 INFO L158 Benchmark]: Toolchain (without parser) took 15607.73ms. Allocated memory was 353.4MB in the beginning and 720.4MB in the end (delta: 367.0MB). Free memory was 302.5MB in the beginning and 549.9MB in the end (delta: -247.4MB). Peak memory consumption was 414.3MB. Max. memory is 8.0GB. [2023-03-30 22:41:36,192 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory was 156.4MB in the beginning and 156.3MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:41:36,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.74ms. Allocated memory is still 353.4MB. Free memory was 302.0MB in the beginning and 274.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-30 22:41:36,192 INFO L158 Benchmark]: Boogie Preprocessor took 66.33ms. Allocated memory is still 353.4MB. Free memory was 274.8MB in the beginning and 270.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 22:41:36,192 INFO L158 Benchmark]: RCFGBuilder took 974.76ms. Allocated memory is still 353.4MB. Free memory was 269.5MB in the beginning and 279.9MB in the end (delta: -10.4MB). Peak memory consumption was 44.7MB. Max. memory is 8.0GB. [2023-03-30 22:41:36,192 INFO L158 Benchmark]: TraceAbstraction took 14176.65ms. Allocated memory was 353.4MB in the beginning and 720.4MB in the end (delta: 367.0MB). Free memory was 279.4MB in the beginning and 549.9MB in the end (delta: -270.5MB). Peak memory consumption was 389.5MB. Max. memory is 8.0GB. [2023-03-30 22:41:36,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory was 156.4MB in the beginning and 156.3MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 385.74ms. Allocated memory is still 353.4MB. Free memory was 302.0MB in the beginning and 274.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.33ms. Allocated memory is still 353.4MB. Free memory was 274.8MB in the beginning and 270.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 974.76ms. Allocated memory is still 353.4MB. Free memory was 269.5MB in the beginning and 279.9MB in the end (delta: -10.4MB). Peak memory consumption was 44.7MB. Max. memory is 8.0GB. * TraceAbstraction took 14176.65ms. Allocated memory was 353.4MB in the beginning and 720.4MB in the end (delta: 367.0MB). Free memory was 279.4MB in the beginning and 549.9MB in the end (delta: -270.5MB). Peak memory consumption was 389.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 480]: 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, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3813 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3813 mSDsluCounter, 876 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 1005 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6530 IncrementalHoareTripleChecker+Invalid, 7535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1005 mSolverCounterUnsat, 656 mSDtfsCounter, 6530 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 769 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred in iteration=6, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 1150 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 92 PreInvPairs, 162 NumberOfFragments, 504 HoareAnnotationTreeSize, 92 FomulaSimplifications, 24668 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6024 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1505 ConstructedInterpolants, 0 QuantifiedInterpolants, 5700 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1772 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 291/320 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: 593]: Loop Invariant Derived loop invariant: (((((((((!(\old(a7) == 0) || (14 < \old(a8) && a7 == 0)) || !(\old(a21) == 1)) || (((14 < \old(a8) && a17 <= 0) && a7 == 1) && a16 <= 5)) || (((((a17 == \old(a17) && a21 == 1) && a16 == \old(a16)) && a7 == 0) && a8 == \old(a8)) && a20 == \old(a20))) || (((14 < \old(a8) && a8 <= 13) && a17 <= 0) && a7 == 1)) || 5 < \old(a16)) || ((((14 < \old(a8) && a21 == 1) && a7 == 1) && a20 == 1) && a8 < 15)) || !(\old(a20) == 1)) || (((14 < \old(a8) && a8 <= 13) && a21 <= 0) && a7 == 1)) || ((14 < \old(a8) && a7 == 1) && a16 <= 4) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:41:36,223 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...