/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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:40:17,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:40:17,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:40:17,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:40:17,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 22:40:17,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 22:40:17,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 22:40:17,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 22:40:17,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 22:40:17,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 22:40:17,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 22:40:17,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 22:40:17,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 22:40:17,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 22:40:17,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 22:40:17,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 22:40:17,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-30 22:40:17,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:40:17,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:40:17,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:40:17,079 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 22:40:17,092 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:40:17,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:40:17,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:40:17,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:40:17,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:40:17,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:40:17,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:40:17,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:40:17,094 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:40:17,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:40:17,094 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:40:17,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:40:17,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:40:17,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:40:17,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:40:17,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:40:17,096 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:40:17,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:40:17,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:40:17,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:40:17,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:40:17,261 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:40:17,262 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:40:17,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2023-03-30 22:40:18,306 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:40:18,492 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:40:18,493 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2023-03-30 22:40:18,501 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872e8fee2/673f45b684ab4955b864a098e83abb5e/FLAG08aa6755e [2023-03-30 22:40:18,523 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872e8fee2/673f45b684ab4955b864a098e83abb5e [2023-03-30 22:40:18,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:40:18,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:40:18,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:40:18,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:40:18,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:40:18,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:18,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b83464a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18, skipping insertion in model container [2023-03-30 22:40:18,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:18,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:40:18,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:40:18,853 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_label02.c[16747,16760] [2023-03-30 22:40:18,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:40:18,908 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:40:18,946 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_label02.c[16747,16760] [2023-03-30 22:40:18,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:40:18,967 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:40:18,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18 WrapperNode [2023-03-30 22:40:18,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:40:18,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:40:18,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:40:18,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:40:18,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:18,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:18,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:18,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:19,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:19,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:19,040 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:19,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:19,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:40:19,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:40:19,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:40:19,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:40:19,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (1/1) ... [2023-03-30 22:40:19,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:40:19,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:19,094 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 22:40:19,100 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 22:40:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:40:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:40:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:40:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:40:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:40:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:40:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:40:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:40:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:40:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:40:19,187 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:40:19,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:40:19,782 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:40:19,789 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:40:19,789 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:40:19,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:40:19 BoogieIcfgContainer [2023-03-30 22:40:19,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:40:19,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:40:19,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:40:19,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:40:19,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:40:18" (1/3) ... [2023-03-30 22:40:19,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718fb1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:40:19, skipping insertion in model container [2023-03-30 22:40:19,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:40:18" (2/3) ... [2023-03-30 22:40:19,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718fb1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:40:19, skipping insertion in model container [2023-03-30 22:40:19,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:40:19" (3/3) ... [2023-03-30 22:40:19,796 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2023-03-30 22:40:19,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:40:19,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:40:19,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:40:19,852 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;@791e2810, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:40:19,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:40:19,856 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 22:40:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-03-30 22:40:19,866 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:19,867 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] [2023-03-30 22:40:19,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:19,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1405788267, now seen corresponding path program 1 times [2023-03-30 22:40:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:19,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532195185] [2023-03-30 22:40:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:19,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:20,447 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 22:40:20,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:20,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532195185] [2023-03-30 22:40:20,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532195185] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:40:20,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:40:20,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 22:40:20,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680342648] [2023-03-30 22:40:20,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:40:20,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-30 22:40:20,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:20,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-30 22:40:20,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-30 22:40:20,483 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 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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 22:40:21,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:21,350 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2023-03-30 22:40:21,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:40:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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 96 [2023-03-30 22:40:21,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:21,374 INFO L225 Difference]: With dead ends: 557 [2023-03-30 22:40:21,374 INFO L226 Difference]: Without dead ends: 286 [2023-03-30 22:40:21,378 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 22:40:21,381 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 467 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:21,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 21 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:40:21,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-03-30 22:40:21,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2023-03-30 22:40:21,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 271 states have (on average 1.4243542435424354) internal successors, (386), 272 states have internal predecessors, (386), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:40:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2023-03-30 22:40:21,425 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 96 [2023-03-30 22:40:21,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:21,426 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2023-03-30 22:40:21,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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 22:40:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2023-03-30 22:40:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-03-30 22:40:21,429 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:21,429 INFO L195 NwaCegarLoop]: trace histogram [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 22:40:21,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:40:21,430 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:21,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:21,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1246289785, now seen corresponding path program 1 times [2023-03-30 22:40:21,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:21,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97505510] [2023-03-30 22:40:21,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:21,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:40:21,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:21,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97505510] [2023-03-30 22:40:21,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97505510] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:40:21,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:40:21,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 22:40:21,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377226740] [2023-03-30 22:40:21,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:40:21,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 22:40:21,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:21,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 22:40:21,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:40:21,664 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 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 22:40:22,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:22,336 INFO L93 Difference]: Finished difference Result 858 states and 1247 transitions. [2023-03-30 22:40:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:40:22,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 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 105 [2023-03-30 22:40:22,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:22,340 INFO L225 Difference]: With dead ends: 858 [2023-03-30 22:40:22,340 INFO L226 Difference]: Without dead ends: 584 [2023-03-30 22:40:22,341 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 22:40:22,342 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 483 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:22,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 41 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-30 22:40:22,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-03-30 22:40:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 560. [2023-03-30 22:40:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 542 states have (on average 1.3560885608856088) internal successors, (735), 548 states have internal predecessors, (735), 6 states have call successors, (6), 6 states have call predecessors, (6), 11 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-03-30 22:40:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 764 transitions. [2023-03-30 22:40:22,370 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 764 transitions. Word has length 105 [2023-03-30 22:40:22,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:22,370 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 764 transitions. [2023-03-30 22:40:22,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 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 22:40:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 764 transitions. [2023-03-30 22:40:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-03-30 22:40:22,374 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:22,374 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-30 22:40:22,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 22:40:22,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:22,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash -249450395, now seen corresponding path program 1 times [2023-03-30 22:40:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:22,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664192997] [2023-03-30 22:40:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:22,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-30 22:40:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 22:40:22,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:22,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664192997] [2023-03-30 22:40:22,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664192997] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:22,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859045085] [2023-03-30 22:40:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:22,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:22,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:22,592 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 22:40:22,596 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 22:40:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:22,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-30 22:40:22,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-03-30 22:40:22,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:40:22,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859045085] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:40:22,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:40:22,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-03-30 22:40:22,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781674249] [2023-03-30 22:40:22,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:40:22,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:40:22,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:22,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:40:22,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:40:22,781 INFO L87 Difference]: Start difference. First operand 560 states and 764 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:40:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:23,268 INFO L93 Difference]: Finished difference Result 1698 states and 2413 transitions. [2023-03-30 22:40:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-30 22:40:23,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 119 [2023-03-30 22:40:23,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:23,276 INFO L225 Difference]: With dead ends: 1698 [2023-03-30 22:40:23,277 INFO L226 Difference]: Without dead ends: 1144 [2023-03-30 22:40:23,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-03-30 22:40:23,281 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 447 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:23,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 43 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 22:40:23,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2023-03-30 22:40:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1122. [2023-03-30 22:40:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1085 states have (on average 1.3336405529953916) internal successors, (1447), 1102 states have internal predecessors, (1447), 10 states have call successors, (10), 10 states have call predecessors, (10), 26 states have return successors, (81), 9 states have call predecessors, (81), 9 states have call successors, (81) [2023-03-30 22:40:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1538 transitions. [2023-03-30 22:40:23,340 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1538 transitions. Word has length 119 [2023-03-30 22:40:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:23,341 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1538 transitions. [2023-03-30 22:40:23,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:40:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1538 transitions. [2023-03-30 22:40:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-03-30 22:40:23,346 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:23,347 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] [2023-03-30 22:40:23,355 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 22:40:23,551 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 22:40:23,554 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:23,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:23,554 INFO L85 PathProgramCache]: Analyzing trace with hash 18295387, now seen corresponding path program 1 times [2023-03-30 22:40:23,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:23,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400800327] [2023-03-30 22:40:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-30 22:40:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:23,721 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 22:40:23,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:23,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400800327] [2023-03-30 22:40:23,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400800327] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:23,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034112432] [2023-03-30 22:40:23,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:23,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:23,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:23,723 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 22:40:23,760 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 22:40:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:23,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:40:23,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:23,897 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 22:40:23,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:40:24,005 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 22:40:24,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034112432] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:40:24,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:40:24,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-03-30 22:40:24,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4610522] [2023-03-30 22:40:24,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:40:24,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-30 22:40:24,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:24,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-30 22:40:24,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-03-30 22:40:24,012 INFO L87 Difference]: Start difference. First operand 1122 states and 1538 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 11 states have internal predecessors, (158), 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 22:40:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:26,767 INFO L93 Difference]: Finished difference Result 3841 states and 5614 transitions. [2023-03-30 22:40:26,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-03-30 22:40:26,768 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 11 states have internal predecessors, (158), 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 126 [2023-03-30 22:40:26,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:26,778 INFO L225 Difference]: With dead ends: 3841 [2023-03-30 22:40:26,778 INFO L226 Difference]: Without dead ends: 2590 [2023-03-30 22:40:26,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2023-03-30 22:40:26,782 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1798 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 3431 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 3906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 3431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:26,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 162 Invalid, 3906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 3431 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-03-30 22:40:26,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2023-03-30 22:40:26,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 1537. [2023-03-30 22:40:26,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1490 states have (on average 1.2302013422818792) internal successors, (1833), 1510 states have internal predecessors, (1833), 14 states have call successors, (14), 13 states have call predecessors, (14), 32 states have return successors, (109), 13 states have call predecessors, (109), 13 states have call successors, (109) [2023-03-30 22:40:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 1956 transitions. [2023-03-30 22:40:26,867 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 1956 transitions. Word has length 126 [2023-03-30 22:40:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:26,869 INFO L495 AbstractCegarLoop]: Abstraction has 1537 states and 1956 transitions. [2023-03-30 22:40:26,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 11 states have internal predecessors, (158), 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 22:40:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1956 transitions. [2023-03-30 22:40:26,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-03-30 22:40:26,882 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:26,882 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:40:26,890 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 22:40:27,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-03-30 22:40:27,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:27,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1550979273, now seen corresponding path program 1 times [2023-03-30 22:40:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:27,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589447928] [2023-03-30 22:40:27,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-30 22:40:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:40:27,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:27,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589447928] [2023-03-30 22:40:27,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589447928] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:27,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530324475] [2023-03-30 22:40:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:27,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:27,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:27,269 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 22:40:27,272 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 22:40:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:27,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:40:27,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:40:27,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:40:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:40:27,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530324475] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:40:27,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:40:27,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-03-30 22:40:27,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230529263] [2023-03-30 22:40:27,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:40:27,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:40:27,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:27,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:40:27,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:40:27,471 INFO L87 Difference]: Start difference. First operand 1537 states and 1956 transitions. Second operand has 12 states, 12 states have (on average 13.0) internal successors, (156), 10 states have internal predecessors, (156), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:40:29,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:29,347 INFO L93 Difference]: Finished difference Result 6161 states and 8529 transitions. [2023-03-30 22:40:29,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-30 22:40:29,348 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.0) internal successors, (156), 10 states have internal predecessors, (156), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 127 [2023-03-30 22:40:29,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:29,368 INFO L225 Difference]: With dead ends: 6161 [2023-03-30 22:40:29,368 INFO L226 Difference]: Without dead ends: 4499 [2023-03-30 22:40:29,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2023-03-30 22:40:29,373 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 756 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 2878 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 3123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 2878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:29,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 141 Invalid, 3123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 2878 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-03-30 22:40:29,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4499 states. [2023-03-30 22:40:29,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4499 to 4332. [2023-03-30 22:40:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4332 states, 4168 states have (on average 1.1746641074856046) internal successors, (4896), 4231 states have internal predecessors, (4896), 69 states have call successors, (69), 32 states have call predecessors, (69), 94 states have return successors, (920), 68 states have call predecessors, (920), 68 states have call successors, (920) [2023-03-30 22:40:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 4332 states and 5885 transitions. [2023-03-30 22:40:29,513 INFO L78 Accepts]: Start accepts. Automaton has 4332 states and 5885 transitions. Word has length 127 [2023-03-30 22:40:29,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:29,513 INFO L495 AbstractCegarLoop]: Abstraction has 4332 states and 5885 transitions. [2023-03-30 22:40:29,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.0) internal successors, (156), 10 states have internal predecessors, (156), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:40:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4332 states and 5885 transitions. [2023-03-30 22:40:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-03-30 22:40:29,554 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:29,554 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:40:29,561 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 22:40:29,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:29,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:29,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:29,759 INFO L85 PathProgramCache]: Analyzing trace with hash -183508269, now seen corresponding path program 1 times [2023-03-30 22:40:29,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:29,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482727404] [2023-03-30 22:40:29,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:29,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-30 22:40:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:40:30,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:30,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482727404] [2023-03-30 22:40:30,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482727404] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:30,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394834442] [2023-03-30 22:40:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:30,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:30,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:30,061 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 22:40:30,104 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 22:40:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:30,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:40:30,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-30 22:40:30,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:40:30,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394834442] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:40:30,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:40:30,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-03-30 22:40:30,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680493178] [2023-03-30 22:40:30,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:40:30,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:40:30,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:30,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:40:30,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:40:30,273 INFO L87 Difference]: Start difference. First operand 4332 states and 5885 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 22:40:30,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:30,657 INFO L93 Difference]: Finished difference Result 9067 states and 12278 transitions. [2023-03-30 22:40:30,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:40:30,658 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 130 [2023-03-30 22:40:30,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:30,675 INFO L225 Difference]: With dead ends: 9067 [2023-03-30 22:40:30,676 INFO L226 Difference]: Without dead ends: 4745 [2023-03-30 22:40:30,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:40:30,689 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 45 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:30,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 228 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:40:30,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4745 states. [2023-03-30 22:40:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 4453. [2023-03-30 22:40:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4453 states, 4292 states have (on average 1.151444547996272) internal successors, (4942), 4352 states have internal predecessors, (4942), 68 states have call successors, (68), 33 states have call predecessors, (68), 92 states have return successors, (770), 67 states have call predecessors, (770), 67 states have call successors, (770) [2023-03-30 22:40:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 4453 states and 5780 transitions. [2023-03-30 22:40:30,854 INFO L78 Accepts]: Start accepts. Automaton has 4453 states and 5780 transitions. Word has length 130 [2023-03-30 22:40:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:30,855 INFO L495 AbstractCegarLoop]: Abstraction has 4453 states and 5780 transitions. [2023-03-30 22:40:30,855 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 22:40:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4453 states and 5780 transitions. [2023-03-30 22:40:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-03-30 22:40:30,865 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:30,865 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:40:30,869 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 22:40:31,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:31,070 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:31,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:31,070 INFO L85 PathProgramCache]: Analyzing trace with hash -216174271, now seen corresponding path program 1 times [2023-03-30 22:40:31,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:31,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572152732] [2023-03-30 22:40:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:31,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-30 22:40:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 22:40:31,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:31,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572152732] [2023-03-30 22:40:31,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572152732] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426310929] [2023-03-30 22:40:31,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:31,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:31,304 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:40:31,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 22:40:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:31,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:40:31,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-30 22:40:31,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:40:31,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426310929] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:40:31,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:40:31,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-03-30 22:40:31,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036363406] [2023-03-30 22:40:31,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:40:31,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:40:31,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:31,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:40:31,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:40:31,458 INFO L87 Difference]: Start difference. First operand 4453 states and 5780 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 22:40:31,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:31,786 INFO L93 Difference]: Finished difference Result 8896 states and 11540 transitions. [2023-03-30 22:40:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:40:31,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 131 [2023-03-30 22:40:31,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:31,801 INFO L225 Difference]: With dead ends: 8896 [2023-03-30 22:40:31,801 INFO L226 Difference]: Without dead ends: 4453 [2023-03-30 22:40:31,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:40:31,812 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 57 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:31,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 50 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-30 22:40:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4453 states. [2023-03-30 22:40:31,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4453 to 4304. [2023-03-30 22:40:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4304 states, 4150 states have (on average 1.1448192771084338) internal successors, (4751), 4207 states have internal predecessors, (4751), 65 states have call successors, (65), 32 states have call predecessors, (65), 88 states have return successors, (661), 64 states have call predecessors, (661), 64 states have call successors, (661) [2023-03-30 22:40:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 4304 states and 5477 transitions. [2023-03-30 22:40:31,925 INFO L78 Accepts]: Start accepts. Automaton has 4304 states and 5477 transitions. Word has length 131 [2023-03-30 22:40:31,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:31,925 INFO L495 AbstractCegarLoop]: Abstraction has 4304 states and 5477 transitions. [2023-03-30 22:40:31,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 22:40:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 5477 transitions. [2023-03-30 22:40:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-03-30 22:40:31,934 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:31,934 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:40:31,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 22:40:32,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:32,144 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:32,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:32,144 INFO L85 PathProgramCache]: Analyzing trace with hash 76054287, now seen corresponding path program 1 times [2023-03-30 22:40:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:32,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628950763] [2023-03-30 22:40:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-30 22:40:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:40:32,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:32,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628950763] [2023-03-30 22:40:32,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628950763] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:32,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228374681] [2023-03-30 22:40:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:32,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:32,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:32,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:40:32,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 22:40:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:32,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:40:32,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-30 22:40:32,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:40:32,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228374681] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:40:32,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:40:32,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-03-30 22:40:32,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827510642] [2023-03-30 22:40:32,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:40:32,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:40:32,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:32,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:40:32,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:40:32,504 INFO L87 Difference]: Start difference. First operand 4304 states and 5477 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:40:32,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:32,822 INFO L93 Difference]: Finished difference Result 7754 states and 9779 transitions. [2023-03-30 22:40:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:40:32,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 132 [2023-03-30 22:40:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:32,840 INFO L225 Difference]: With dead ends: 7754 [2023-03-30 22:40:32,840 INFO L226 Difference]: Without dead ends: 4586 [2023-03-30 22:40:32,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:40:32,849 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 69 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:32,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 44 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-30 22:40:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2023-03-30 22:40:32,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4586. [2023-03-30 22:40:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4586 states, 4424 states have (on average 1.1372061482820977) internal successors, (5031), 4483 states have internal predecessors, (5031), 69 states have call successors, (69), 34 states have call predecessors, (69), 92 states have return successors, (682), 68 states have call predecessors, (682), 68 states have call successors, (682) [2023-03-30 22:40:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4586 states and 5782 transitions. [2023-03-30 22:40:33,008 INFO L78 Accepts]: Start accepts. Automaton has 4586 states and 5782 transitions. Word has length 132 [2023-03-30 22:40:33,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:33,008 INFO L495 AbstractCegarLoop]: Abstraction has 4586 states and 5782 transitions. [2023-03-30 22:40:33,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:40:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4586 states and 5782 transitions. [2023-03-30 22:40:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-03-30 22:40:33,020 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:33,020 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:33,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-30 22:40:33,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:33,228 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:33,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:33,228 INFO L85 PathProgramCache]: Analyzing trace with hash 236969487, now seen corresponding path program 1 times [2023-03-30 22:40:33,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:33,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276988760] [2023-03-30 22:40:33,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:33,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:33,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:33,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-30 22:40:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 22:40:33,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:33,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276988760] [2023-03-30 22:40:33,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276988760] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:33,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506387730] [2023-03-30 22:40:33,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:33,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:33,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:33,487 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:40:33,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-30 22:40:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:33,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-30 22:40:33,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:40:33,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:40:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:40:33,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506387730] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:40:33,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:40:33,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2023-03-30 22:40:33,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679983275] [2023-03-30 22:40:33,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:40:33,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-30 22:40:33,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:33,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-30 22:40:33,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:40:33,889 INFO L87 Difference]: Start difference. First operand 4586 states and 5782 transitions. Second operand has 10 states, 10 states have (on average 27.4) internal successors, (274), 8 states have internal predecessors, (274), 4 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:40:35,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:35,088 INFO L93 Difference]: Finished difference Result 11259 states and 14320 transitions. [2023-03-30 22:40:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-30 22:40:35,101 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.4) internal successors, (274), 8 states have internal predecessors, (274), 4 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 140 [2023-03-30 22:40:35,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:35,124 INFO L225 Difference]: With dead ends: 11259 [2023-03-30 22:40:35,124 INFO L226 Difference]: Without dead ends: 5926 [2023-03-30 22:40:35,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 289 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2023-03-30 22:40:35,140 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 1484 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:35,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 79 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 22:40:35,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2023-03-30 22:40:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5066. [2023-03-30 22:40:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 4911 states have (on average 1.0820606801058847) internal successors, (5314), 4970 states have internal predecessors, (5314), 58 states have call successors, (58), 38 states have call predecessors, (58), 96 states have return successors, (488), 57 states have call predecessors, (488), 57 states have call successors, (488) [2023-03-30 22:40:35,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 5860 transitions. [2023-03-30 22:40:35,289 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 5860 transitions. Word has length 140 [2023-03-30 22:40:35,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:35,290 INFO L495 AbstractCegarLoop]: Abstraction has 5066 states and 5860 transitions. [2023-03-30 22:40:35,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.4) internal successors, (274), 8 states have internal predecessors, (274), 4 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:40:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 5860 transitions. [2023-03-30 22:40:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-03-30 22:40:35,299 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:40:35,299 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:35,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-30 22:40:35,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:35,505 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:40:35,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:40:35,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1857998963, now seen corresponding path program 1 times [2023-03-30 22:40:35,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:40:35,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74600205] [2023-03-30 22:40:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:35,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:40:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:40:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:40:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:40:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-03-30 22:40:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 65 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-30 22:40:35,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:40:35,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74600205] [2023-03-30 22:40:35,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74600205] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:40:35,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553942211] [2023-03-30 22:40:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:40:35,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:40:35,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:40:35,882 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:40:35,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-30 22:40:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:40:35,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:40:35,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:40:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-30 22:40:36,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:40:36,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553942211] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:40:36,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:40:36,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-03-30 22:40:36,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314072784] [2023-03-30 22:40:36,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:40:36,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:40:36,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:40:36,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:40:36,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:40:36,054 INFO L87 Difference]: Start difference. First operand 5066 states and 5860 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 22:40:36,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:40:36,326 INFO L93 Difference]: Finished difference Result 8319 states and 9594 transitions. [2023-03-30 22:40:36,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:40:36,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 164 [2023-03-30 22:40:36,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:40:36,327 INFO L225 Difference]: With dead ends: 8319 [2023-03-30 22:40:36,327 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:40:36,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 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 22:40:36,341 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 69 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:40:36,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 39 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-30 22:40:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:40:36,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:40:36,343 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 22:40:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:40:36,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2023-03-30 22:40:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:40:36,343 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:40:36,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 22:40:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:40:36,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:40:36,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:40:36,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-30 22:40:36,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-03-30 22:40:36,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:40:50,212 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:40:50,212 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:40:50,212 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:40:50,213 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse10 (<= ~a21~0 0)) (.cse1 (= ~a7~0 0)) (.cse5 (= ~a17~0 1)) (.cse9 (= ~a16~0 4)) (.cse3 (<= ~a8~0 13)) (.cse4 (= ~a21~0 1)) (.cse6 (= ~a20~0 1)) (.cse0 (<= 5 ~a16~0)) (.cse7 (<= 14 ~a8~0)) (.cse8 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and .cse10 .cse8 .cse9) (not (= |old(~a7~0)| 0)) (and .cse3 .cse1 .cse2) (and (<= 6 ~a16~0) .cse1 (<= 15 ~a8~0)) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and .cse3 .cse0 .cse10 .cse8) (< |old(~a8~0)| 15) (and .cse1 .cse9) (and .cse4 .cse5 .cse8 .cse6 .cse9) (and .cse3 .cse0 .cse4 .cse8 .cse6) (not (= |old(~a17~0)| 1)) (and .cse0 .cse7 .cse8 .cse2) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)))) [2023-03-30 22:40:50,213 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 587 604) no Hoare annotation was computed. [2023-03-30 22:40:50,213 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-03-30 22:40:50,213 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-03-30 22:40:50,213 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse10 (<= ~a21~0 0)) (.cse1 (= ~a7~0 0)) (.cse5 (= ~a17~0 1)) (.cse9 (= ~a16~0 4)) (.cse3 (<= ~a8~0 13)) (.cse4 (= ~a21~0 1)) (.cse6 (= ~a20~0 1)) (.cse0 (<= 5 ~a16~0)) (.cse7 (<= 14 ~a8~0)) (.cse8 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and .cse10 .cse8 .cse9) (not (= |old(~a7~0)| 0)) (and .cse3 .cse1 .cse2) (and (<= 6 ~a16~0) .cse1 (<= 15 ~a8~0)) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and .cse3 .cse0 .cse10 .cse8) (< |old(~a8~0)| 15) (and .cse1 .cse9) (and .cse4 .cse5 .cse8 .cse6 .cse9) (and .cse3 .cse0 .cse4 .cse8 .cse6) (not (= |old(~a17~0)| 1)) (and .cse0 .cse7 .cse8 .cse2) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)))) [2023-03-30 22:40:50,213 INFO L899 garLoopResultBuilder]: For program point L593-3(lines 587 604) no Hoare annotation was computed. [2023-03-30 22:40:50,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 587 604) the Hoare annotation is: (or (not (= |old(~a7~0)| 0)) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (< |old(~a8~0)| 15) (and (= ~a21~0 1) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 0) (= ~a17~0 1) (= ~a20~0 1) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1))) [2023-03-30 22:40:50,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:40:50,214 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 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-03-30 22:40:50,214 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-03-30 22:40:50,215 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 456) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-03-30 22:40:50,216 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-03-30 22:40:50,217 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-03-30 22:40:50,217 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-03-30 22:40:50,217 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-03-30 22:40:50,217 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,218 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-03-30 22:40:50,219 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,220 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-03-30 22:40:50,221 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-03-30 22:40:50,222 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 40 585) the Hoare annotation is: (let ((.cse24 (= |old(~a7~0)| 1))) (let ((.cse23 (<= ~a16~0 5)) (.cse28 (not .cse24)) (.cse22 (= ~a7~0 1)) (.cse26 (= ~a16~0 4)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a7~0 0)) (.cse7 (= ~a8~0 |old(~a8~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse16 (< 13 |old(~a8~0)|)) (.cse27 (not (= |old(~a17~0)| 1))) (.cse15 (not (= |old(~a7~0)| 0))) (.cse17 (< 5 |old(~a16~0)|))) (let ((.cse1 (and (or .cse15 .cse16 .cse27) (or .cse15 (<= 15 |old(~a8~0)|) .cse17))) (.cse14 (and .cse11 .cse12 .cse3 .cse4 .cse7 .cse13)) (.cse19 (and .cse11 .cse12 .cse22 .cse24 .cse7 .cse13 .cse26)) (.cse9 (< |old(~a8~0)| 14)) (.cse20 (< 0 |old(~a21~0)|)) (.cse10 (< |old(~a16~0)| 5)) (.cse21 (and (or .cse17 .cse28) (or .cse16 .cse28))) (.cse25 (or (and (<= ~a8~0 13) .cse22 .cse24) (and .cse22 .cse23 .cse24))) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a17~0 1)) (.cse6 (= ~a20~0 1)) (.cse0 (not (= |old(~a21~0)| 1))) (.cse8 (not (= |old(~a20~0)| 1))) (.cse18 (not (= 4 |old(~a16~0)|)))) (and (or (< |old(~a16~0)| 6) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse9 .cse10 (and .cse11 (= ~a7~0 |old(~a7~0)|) .cse12 .cse3 .cse7 .cse13) .cse1) (or .cse14 .cse15 .cse10 (< |old(~a8~0)| 15)) (or .cse14 .cse15 .cse16 .cse17) (or .cse18 .cse19 .cse20 .cse21) (or .cse9 .cse10 .cse21 (and .cse11 .cse12 .cse3 .cse22 .cse23 .cse24 .cse7 .cse13)) (or .cse18 .cse19 .cse9 .cse21) (or .cse10 .cse0 .cse21 (and .cse12 .cse2 .cse3 .cse6 .cse7 .cse25) .cse8) (or .cse20 .cse10 .cse21 (and .cse11 .cse12 .cse3 .cse7 .cse25 .cse13)) (or .cse18 (and .cse2 .cse5 .cse22 .cse6 .cse7 .cse26) .cse0 .cse27 .cse8 .cse28) (or .cse18 .cse15 (and .cse11 .cse12 .cse4 .cse7 .cse13 .cse26)))))) [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-03-30 22:40:50,223 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-03-30 22:40:50,224 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-03-30 22:40:50,224 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-03-30 22:40:50,224 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-03-30 22:40:50,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:40:50,224 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 5 ~a16~0) (= ~a21~0 1) (= ~a7~0 0) (= ~a17~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0)) [2023-03-30 22:40:50,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:40:50,224 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:40:50,226 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:40:50,228 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:40:50,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:40:50 BoogieIcfgContainer [2023-03-30 22:40:50,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:40:50,240 INFO L158 Benchmark]: Toolchain (without parser) took 31713.99ms. Allocated memory was 235.9MB in the beginning and 717.2MB in the end (delta: 481.3MB). Free memory was 183.4MB in the beginning and 523.5MB in the end (delta: -340.1MB). Peak memory consumption was 429.0MB. Max. memory is 8.0GB. [2023-03-30 22:40:50,240 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 196.1MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:40:50,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.23ms. Allocated memory is still 235.9MB. Free memory was 182.9MB in the beginning and 155.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-30 22:40:50,240 INFO L158 Benchmark]: Boogie Preprocessor took 92.10ms. Allocated memory is still 235.9MB. Free memory was 155.6MB in the beginning and 150.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-03-30 22:40:50,241 INFO L158 Benchmark]: RCFGBuilder took 729.43ms. Allocated memory is still 235.9MB. Free memory was 150.9MB in the beginning and 147.3MB in the end (delta: 3.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-03-30 22:40:50,241 INFO L158 Benchmark]: TraceAbstraction took 30447.67ms. Allocated memory was 235.9MB in the beginning and 717.2MB in the end (delta: 481.3MB). Free memory was 146.7MB in the beginning and 523.5MB in the end (delta: -376.7MB). Peak memory consumption was 391.3MB. Max. memory is 8.0GB. [2023-03-30 22:40:50,242 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 196.1MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 441.23ms. Allocated memory is still 235.9MB. Free memory was 182.9MB in the beginning and 155.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.10ms. Allocated memory is still 235.9MB. Free memory was 155.6MB in the beginning and 150.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 729.43ms. Allocated memory is still 235.9MB. Free memory was 150.9MB in the beginning and 147.3MB in the end (delta: 3.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 30447.67ms. Allocated memory was 235.9MB in the beginning and 717.2MB in the end (delta: 481.3MB). Free memory was 146.7MB in the beginning and 523.5MB in the end (delta: -376.7MB). Peak memory consumption was 391.3MB. 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: 456]: 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: 30.4s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5682 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5675 mSDsluCounter, 848 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 418 mSDsCounter, 1391 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10625 IncrementalHoareTripleChecker+Invalid, 12016 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1391 mSolverCounterUnsat, 430 mSDtfsCounter, 10625 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1647 GetRequests, 1521 SyntacticMatches, 4 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5066occurred in iteration=9, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 2573 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 380 PreInvPairs, 518 NumberOfFragments, 950 HoareAnnotationTreeSize, 380 FomulaSimplifications, 176767 FormulaSimplificationTreeSizeReduction, 10.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 23018 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2339 NumberOfCodeBlocks, 2339 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2711 ConstructedInterpolants, 0 QuantifiedInterpolants, 6242 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3619 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 775/860 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: ((((((((((((((((((5 <= a16 && a7 == 0) && a16 <= 5) || ((((a8 <= 13 && a21 == 1) && a7 == 0) && a17 == 1) && a20 == 1)) || ((14 <= a8 && a7 == 1) && a16 == 4)) || ((a21 <= 0 && a7 == 1) && a16 == 4)) || !(\old(a7) == 0)) || ((a8 <= 13 && a7 == 0) && a16 <= 5)) || ((6 <= a16 && a7 == 0) && 15 <= a8)) || \old(a16) < 5) || !(\old(a21) == 1)) || (((a8 <= 13 && 5 <= a16) && a21 <= 0) && a7 == 1)) || \old(a8) < 15) || (a7 == 0 && a16 == 4)) || ((((a21 == 1 && a17 == 1) && a7 == 1) && a20 == 1) && a16 == 4)) || ((((a8 <= 13 && 5 <= a16) && a21 == 1) && a7 == 1) && a20 == 1)) || !(\old(a17) == 1)) || (((5 <= a16 && 14 <= a8) && a7 == 1) && a16 <= 5)) || 5 < \old(a16)) || !(\old(a20) == 1) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:40:50,260 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...