/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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:18:03,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:18:03,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:18:03,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:18:03,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 20:18:03,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 20:18:03,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 20:18:03,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 20:18:03,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 20:18:03,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 20:18:03,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 20:18:03,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 20:18:03,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 20:18:03,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 20:18:03,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 20:18:03,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 20:18:03,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 20:18:03,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 20:18:03,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 20:18:03,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 20:18:03,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 20:18:03,311 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:18:03,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:18:03,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:18:03,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:18:03,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:18:03,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:18:03,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:18:03,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:18:03,314 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:18:03,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:18:03,314 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:18:03,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:18:03,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:18:03,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:18:03,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:18:03,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:18:03,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:18:03,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:18:03,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:18:03,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:18:03,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:18:03,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:18:03,317 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:18:03,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:18:03,317 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:18:03,317 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:18:03,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:18:03,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:18:03,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:18:03,530 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:18:03,531 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:18:03,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label05.c [2023-04-01 20:18:04,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:18:04,794 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:18:04,795 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label05.c [2023-04-01 20:18:04,803 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c52f98f9/5db68791ae9148ed8368cda2296490b8/FLAG5bc86642e [2023-04-01 20:18:05,123 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c52f98f9/5db68791ae9148ed8368cda2296490b8 [2023-04-01 20:18:05,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:18:05,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:18:05,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:18:05,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:18:05,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:18:05,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e01cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05, skipping insertion in model container [2023-04-01 20:18:05,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:18:05,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:18:05,449 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_label05.c[17240,17253] [2023-04-01 20:18:05,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:18:05,472 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:18:05,506 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_label05.c[17240,17253] [2023-04-01 20:18:05,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:18:05,524 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:18:05,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05 WrapperNode [2023-04-01 20:18:05,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:18:05,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:18:05,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:18:05,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:18:05,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:18:05,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:18:05,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:18:05,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:18:05,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (1/1) ... [2023-04-01 20:18:05,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:18:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:05,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 20:18:05,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 20:18:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:18:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:18:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:18:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:18:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:18:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:18:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:18:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:18:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:18:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:18:05,788 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:18:05,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:18:06,493 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:18:06,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:18:06,506 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:18:06,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:18:06 BoogieIcfgContainer [2023-04-01 20:18:06,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:18:06,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:18:06,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:18:06,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:18:06,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:18:05" (1/3) ... [2023-04-01 20:18:06,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ec081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:18:06, skipping insertion in model container [2023-04-01 20:18:06,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:05" (2/3) ... [2023-04-01 20:18:06,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ec081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:18:06, skipping insertion in model container [2023-04-01 20:18:06,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:18:06" (3/3) ... [2023-04-01 20:18:06,521 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2023-04-01 20:18:06,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:18:06,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:18:06,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:18:06,590 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;@2831c672, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:18:06,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:18:06,595 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) [2023-04-01 20:18:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-04-01 20:18:06,605 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:06,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:06,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:06,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash 999594427, now seen corresponding path program 1 times [2023-04-01 20:18:06,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:06,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655416171] [2023-04-01 20:18:06,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:06,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:07,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:07,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655416171] [2023-04-01 20:18:07,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655416171] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:07,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:18:07,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 20:18:07,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468892973] [2023-04-01 20:18:07,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:07,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 20:18:07,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:07,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 20:18:07,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:18:07,332 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 5 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:18:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:08,437 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2023-04-01 20:18:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 20:18:08,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2023-04-01 20:18:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:08,448 INFO L225 Difference]: With dead ends: 698 [2023-04-01 20:18:08,449 INFO L226 Difference]: Without dead ends: 423 [2023-04-01 20:18:08,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:18:08,455 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 661 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:08,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 28 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 20:18:08,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-04-01 20:18:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2023-04-01 20:18:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 405 states have (on average 1.4024691358024692) internal successors, (568), 407 states have internal predecessors, (568), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-01 20:18:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2023-04-01 20:18:08,506 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 100 [2023-04-01 20:18:08,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:08,507 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2023-04-01 20:18:08,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:18:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2023-04-01 20:18:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-04-01 20:18:08,511 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:08,511 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:08,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:18:08,511 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:08,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:08,512 INFO L85 PathProgramCache]: Analyzing trace with hash 315345813, now seen corresponding path program 1 times [2023-04-01 20:18:08,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:08,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285062590] [2023-04-01 20:18:08,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:08,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:08,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:08,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285062590] [2023-04-01 20:18:08,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285062590] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:08,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:18:08,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:18:08,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657695599] [2023-04-01 20:18:08,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:08,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:18:08,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:08,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:18:08,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:18:08,763 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:09,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:09,487 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2023-04-01 20:18:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 20:18:09,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 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 110 [2023-04-01 20:18:09,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:09,492 INFO L225 Difference]: With dead ends: 1130 [2023-04-01 20:18:09,492 INFO L226 Difference]: Without dead ends: 719 [2023-04-01 20:18:09,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:09,494 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 620 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:09,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 37 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 20:18:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2023-04-01 20:18:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2023-04-01 20:18:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 676 states have (on average 1.3846153846153846) internal successors, (936), 683 states have internal predecessors, (936), 7 states have call successors, (7), 7 states have call predecessors, (7), 13 states have return successors, (35), 6 states have call predecessors, (35), 6 states have call successors, (35) [2023-04-01 20:18:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 978 transitions. [2023-04-01 20:18:09,537 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 978 transitions. Word has length 110 [2023-04-01 20:18:09,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:09,537 INFO L495 AbstractCegarLoop]: Abstraction has 697 states and 978 transitions. [2023-04-01 20:18:09,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:09,537 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 978 transitions. [2023-04-01 20:18:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-01 20:18:09,539 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:09,540 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:09,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 20:18:09,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:09,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:09,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1316170733, now seen corresponding path program 1 times [2023-04-01 20:18:09,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:09,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652383939] [2023-04-01 20:18:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:09,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:09,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-01 20:18:09,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:09,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652383939] [2023-04-01 20:18:09,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652383939] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:09,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130327892] [2023-04-01 20:18:09,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:09,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:09,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:09,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:09,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 20:18:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:09,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:18:09,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:10,062 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:18:10,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130327892] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:10,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:18:10,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-04-01 20:18:10,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494141445] [2023-04-01 20:18:10,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:10,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:18:10,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:10,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:18:10,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:18:10,063 INFO L87 Difference]: Start difference. First operand 697 states and 978 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:18:10,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:10,401 INFO L93 Difference]: Finished difference Result 1936 states and 2758 transitions. [2023-04-01 20:18:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:18:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 111 [2023-04-01 20:18:10,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:10,406 INFO L225 Difference]: With dead ends: 1936 [2023-04-01 20:18:10,406 INFO L226 Difference]: Without dead ends: 1245 [2023-04-01 20:18:10,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:18:10,409 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 56 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:10,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 53 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:18:10,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2023-04-01 20:18:10,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1243. [2023-04-01 20:18:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1211 states have (on average 1.2881915772089183) internal successors, (1560), 1221 states have internal predecessors, (1560), 11 states have call successors, (11), 11 states have call predecessors, (11), 20 states have return successors, (90), 10 states have call predecessors, (90), 10 states have call successors, (90) [2023-04-01 20:18:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1661 transitions. [2023-04-01 20:18:10,441 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1661 transitions. Word has length 111 [2023-04-01 20:18:10,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:10,441 INFO L495 AbstractCegarLoop]: Abstraction has 1243 states and 1661 transitions. [2023-04-01 20:18:10,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:18:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1661 transitions. [2023-04-01 20:18:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-01 20:18:10,444 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:10,445 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, 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] [2023-04-01 20:18:10,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:10,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:10,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:10,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1150033645, now seen corresponding path program 1 times [2023-04-01 20:18:10,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:10,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758446093] [2023-04-01 20:18:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:10,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:10,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:10,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:18:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:18:11,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:11,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758446093] [2023-04-01 20:18:11,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758446093] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:11,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924393387] [2023-04-01 20:18:11,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:11,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:11,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:11,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:11,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 20:18:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:11,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:18:11,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:11,251 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:11,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924393387] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:11,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:11,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:18:11,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206866286] [2023-04-01 20:18:11,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:11,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:18:11,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:11,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:18:11,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:11,367 INFO L87 Difference]: Start difference. First operand 1243 states and 1661 transitions. Second operand has 12 states, 12 states have (on average 16.25) internal successors, (195), 10 states have internal predecessors, (195), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:18:12,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:12,823 INFO L93 Difference]: Finished difference Result 3533 states and 5007 transitions. [2023-04-01 20:18:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-01 20:18:12,824 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.25) internal successors, (195), 10 states have internal predecessors, (195), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 142 [2023-04-01 20:18:12,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:12,834 INFO L225 Difference]: With dead ends: 3533 [2023-04-01 20:18:12,834 INFO L226 Difference]: Without dead ends: 2296 [2023-04-01 20:18:12,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2023-04-01 20:18:12,839 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 1227 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:12,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 129 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 20:18:12,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2023-04-01 20:18:12,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 1424. [2023-04-01 20:18:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1367 states have (on average 1.260424286759327) internal successors, (1723), 1400 states have internal predecessors, (1723), 12 states have call successors, (12), 12 states have call predecessors, (12), 44 states have return successors, (166), 11 states have call predecessors, (166), 11 states have call successors, (166) [2023-04-01 20:18:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1901 transitions. [2023-04-01 20:18:12,929 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1901 transitions. Word has length 142 [2023-04-01 20:18:12,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:12,929 INFO L495 AbstractCegarLoop]: Abstraction has 1424 states and 1901 transitions. [2023-04-01 20:18:12,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.25) internal successors, (195), 10 states have internal predecessors, (195), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:18:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1901 transitions. [2023-04-01 20:18:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-01 20:18:12,936 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:12,936 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:12,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:13,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-01 20:18:13,142 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:13,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:13,143 INFO L85 PathProgramCache]: Analyzing trace with hash 292610387, now seen corresponding path program 1 times [2023-04-01 20:18:13,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:13,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098562808] [2023-04-01 20:18:13,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:18:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:18:13,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:13,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098562808] [2023-04-01 20:18:13,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098562808] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:13,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319713977] [2023-04-01 20:18:13,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:13,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:13,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:13,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:13,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 20:18:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 10 conjunts are in the unsatisfiable core [2023-04-01 20:18:13,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 20:18:13,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 20:18:14,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319713977] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:14,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 20:18:14,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 4] total 10 [2023-04-01 20:18:14,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138570245] [2023-04-01 20:18:14,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:14,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:18:14,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:14,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:18:14,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:18:14,048 INFO L87 Difference]: Start difference. First operand 1424 states and 1901 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:14,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:14,393 INFO L93 Difference]: Finished difference Result 2270 states and 3023 transitions. [2023-04-01 20:18:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 20:18:14,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 166 [2023-04-01 20:18:14,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:14,401 INFO L225 Difference]: With dead ends: 2270 [2023-04-01 20:18:14,402 INFO L226 Difference]: Without dead ends: 2268 [2023-04-01 20:18:14,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 330 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:18:14,403 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 233 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:14,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 26 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:18:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2023-04-01 20:18:14,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2127. [2023-04-01 20:18:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2046 states have (on average 1.2443792766373412) internal successors, (2546), 2093 states have internal predecessors, (2546), 17 states have call successors, (17), 17 states have call predecessors, (17), 63 states have return successors, (255), 16 states have call predecessors, (255), 16 states have call successors, (255) [2023-04-01 20:18:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2818 transitions. [2023-04-01 20:18:14,456 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2818 transitions. Word has length 166 [2023-04-01 20:18:14,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:14,457 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2818 transitions. [2023-04-01 20:18:14,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2818 transitions. [2023-04-01 20:18:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-01 20:18:14,463 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:14,463 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:14,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:14,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:14,669 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:14,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:14,670 INFO L85 PathProgramCache]: Analyzing trace with hash -126385835, now seen corresponding path program 1 times [2023-04-01 20:18:14,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:14,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053625111] [2023-04-01 20:18:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:18:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-01 20:18:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 69 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-01 20:18:15,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:15,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053625111] [2023-04-01 20:18:15,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053625111] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:15,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347454711] [2023-04-01 20:18:15,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:15,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:15,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:15,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:15,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 20:18:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:15,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 20:18:15,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 40 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 20:18:15,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 20:18:15,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347454711] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:15,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:15,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2023-04-01 20:18:15,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183371352] [2023-04-01 20:18:15,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:15,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:18:15,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:15,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:18:15,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:15,590 INFO L87 Difference]: Start difference. First operand 2127 states and 2818 transitions. Second operand has 12 states, 12 states have (on average 29.083333333333332) internal successors, (349), 10 states have internal predecessors, (349), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:18,315 INFO L93 Difference]: Finished difference Result 5579 states and 7880 transitions. [2023-04-01 20:18:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-01 20:18:18,315 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 29.083333333333332) internal successors, (349), 10 states have internal predecessors, (349), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 172 [2023-04-01 20:18:18,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:18,325 INFO L225 Difference]: With dead ends: 5579 [2023-04-01 20:18:18,326 INFO L226 Difference]: Without dead ends: 3458 [2023-04-01 20:18:18,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 365 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=1142, Unknown=0, NotChecked=0, Total=1406 [2023-04-01 20:18:18,330 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1737 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 3451 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 3451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:18,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 163 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 3451 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 20:18:18,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2023-04-01 20:18:18,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3241. [2023-04-01 20:18:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3241 states, 3127 states have (on average 1.1653341861208826) internal successors, (3644), 3191 states have internal predecessors, (3644), 25 states have call successors, (25), 25 states have call predecessors, (25), 88 states have return successors, (311), 24 states have call predecessors, (311), 24 states have call successors, (311) [2023-04-01 20:18:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 3980 transitions. [2023-04-01 20:18:18,425 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 3980 transitions. Word has length 172 [2023-04-01 20:18:18,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:18,425 INFO L495 AbstractCegarLoop]: Abstraction has 3241 states and 3980 transitions. [2023-04-01 20:18:18,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 29.083333333333332) internal successors, (349), 10 states have internal predecessors, (349), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 3980 transitions. [2023-04-01 20:18:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-01 20:18:18,432 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:18,432 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2023-04-01 20:18:18,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:18,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:18,638 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:18,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:18,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1153427093, now seen corresponding path program 1 times [2023-04-01 20:18:18,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:18,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680564989] [2023-04-01 20:18:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:18,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:18:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-01 20:18:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-01 20:18:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-04-01 20:18:18,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:18,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680564989] [2023-04-01 20:18:18,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680564989] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:18,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106794836] [2023-04-01 20:18:18,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:18,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:18,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:18,963 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:18,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 20:18:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:19,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:18:19,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-04-01 20:18:19,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 112 proven. 14 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-04-01 20:18:19,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106794836] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:19,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:19,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2023-04-01 20:18:19,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651780124] [2023-04-01 20:18:19,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:19,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-01 20:18:19,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:19,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-01 20:18:19,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-04-01 20:18:19,230 INFO L87 Difference]: Start difference. First operand 3241 states and 3980 transitions. Second operand has 15 states, 15 states have (on average 12.266666666666667) internal successors, (184), 13 states have internal predecessors, (184), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 20:18:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:20,953 INFO L93 Difference]: Finished difference Result 7854 states and 9801 transitions. [2023-04-01 20:18:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-01 20:18:20,954 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.266666666666667) internal successors, (184), 13 states have internal predecessors, (184), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 210 [2023-04-01 20:18:20,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:20,963 INFO L225 Difference]: With dead ends: 7854 [2023-04-01 20:18:20,964 INFO L226 Difference]: Without dead ends: 3618 [2023-04-01 20:18:20,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2023-04-01 20:18:20,971 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2365 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2365 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 389 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:20,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2365 Valid, 85 Invalid, 2675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [389 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 20:18:20,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2023-04-01 20:18:21,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 2796. [2023-04-01 20:18:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2708 states have (on average 1.0808714918759232) internal successors, (2927), 2752 states have internal predecessors, (2927), 22 states have call successors, (22), 22 states have call predecessors, (22), 65 states have return successors, (151), 21 states have call predecessors, (151), 21 states have call successors, (151) [2023-04-01 20:18:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3100 transitions. [2023-04-01 20:18:21,035 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3100 transitions. Word has length 210 [2023-04-01 20:18:21,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:21,035 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3100 transitions. [2023-04-01 20:18:21,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.266666666666667) internal successors, (184), 13 states have internal predecessors, (184), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 20:18:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3100 transitions. [2023-04-01 20:18:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-04-01 20:18:21,040 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:21,040 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:21,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:21,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:21,246 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:21,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:21,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1547945697, now seen corresponding path program 1 times [2023-04-01 20:18:21,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:21,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147198244] [2023-04-01 20:18:21,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:21,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:18:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-01 20:18:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-01 20:18:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-01 20:18:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 141 proven. 32 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 20:18:21,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:21,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147198244] [2023-04-01 20:18:21,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147198244] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:21,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585151125] [2023-04-01 20:18:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:21,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:21,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 20:18:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:21,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 20:18:21,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 118 proven. 54 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-04-01 20:18:21,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-04-01 20:18:22,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585151125] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:22,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:22,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-04-01 20:18:22,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096723887] [2023-04-01 20:18:22,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:22,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:18:22,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:22,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:18:22,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:18:22,214 INFO L87 Difference]: Start difference. First operand 2796 states and 3100 transitions. Second operand has 11 states, 11 states have (on average 34.72727272727273) internal successors, (382), 9 states have internal predecessors, (382), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 20:18:23,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:23,899 INFO L93 Difference]: Finished difference Result 5618 states and 6289 transitions. [2023-04-01 20:18:23,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 20:18:23,899 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.72727272727273) internal successors, (382), 9 states have internal predecessors, (382), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 220 [2023-04-01 20:18:23,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:23,899 INFO L225 Difference]: With dead ends: 5618 [2023-04-01 20:18:23,900 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:18:23,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 469 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2023-04-01 20:18:23,907 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1988 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:23,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 107 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 20:18:23,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:18:23,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:18:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 20:18:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:18:23,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2023-04-01 20:18:23,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:23,908 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:18:23,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.72727272727273) internal successors, (382), 9 states have internal predecessors, (382), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 20:18:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:18:23,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:18:23,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:18:23,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:24,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:24,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:18:30,826 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:18:30,826 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:18:30,826 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:18:30,827 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse3 (<= 15 ~a8~0)) (.cse11 (< ~a8~0 15)) (.cse0 (<= ~a17~0 0)) (.cse9 (= ~a8~0 15)) (.cse1 (= ~a21~0 1)) (.cse10 (= ~a7~0 0)) (.cse8 (<= ~a20~0 0)) (.cse5 (<= ~a8~0 13)) (.cse12 (<= ~a21~0 0)) (.cse2 (= 15 |old(~a8~0)|)) (.cse6 (= ~a17~0 1)) (.cse4 (<= ~a16~0 5)) (.cse7 (= ~a20~0 1))) (or (and (<= ~a7~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4) (not (= |old(~a7~0)| 0)) (and .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse8 .cse1 .cse2 .cse6 .cse9) (and .cse8 .cse1 .cse10 .cse2 .cse6 .cse3) (and .cse1 .cse2 .cse4 (not (= ~a8~0 13)) .cse11) (and .cse5 .cse12 .cse0 .cse2 .cse7) (not (= |old(~a21~0)| 1)) (and .cse1 .cse10 .cse2 .cse6 .cse7 .cse11) (< |old(~a8~0)| 15) (and .cse0 .cse1 .cse2 .cse9) (and (not .cse7) .cse1 .cse2 .cse6 .cse4 .cse9) (and .cse1 (= ~a16~0 |old(~a16~0)|) .cse10 .cse6 .cse7 (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (and .cse8 .cse5 .cse12 .cse2 .cse6 .cse4) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)) (and .cse5 .cse12 .cse2 .cse6 .cse4 .cse7))) [2023-04-01 20:18:30,827 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:18:30,827 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-04-01 20:18:30,827 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-04-01 20:18:30,827 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse3 (<= 15 ~a8~0)) (.cse11 (< ~a8~0 15)) (.cse0 (<= ~a17~0 0)) (.cse9 (= ~a8~0 15)) (.cse1 (= ~a21~0 1)) (.cse10 (= ~a7~0 0)) (.cse8 (<= ~a20~0 0)) (.cse5 (<= ~a8~0 13)) (.cse12 (<= ~a21~0 0)) (.cse2 (= 15 |old(~a8~0)|)) (.cse6 (= ~a17~0 1)) (.cse4 (<= ~a16~0 5)) (.cse7 (= ~a20~0 1))) (or (and (<= ~a7~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4) (not (= |old(~a7~0)| 0)) (and .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse8 .cse1 .cse2 .cse6 .cse9) (and .cse8 .cse1 .cse10 .cse2 .cse6 .cse3) (and .cse1 .cse2 .cse4 (not (= ~a8~0 13)) .cse11) (and .cse5 .cse12 .cse0 .cse2 .cse7) (not (= |old(~a21~0)| 1)) (and .cse1 .cse10 .cse2 .cse6 .cse7 .cse11) (< |old(~a8~0)| 15) (and .cse0 .cse1 .cse2 .cse9) (and (not .cse7) .cse1 .cse2 .cse6 .cse4 .cse9) (and .cse1 (= ~a16~0 |old(~a16~0)|) .cse10 .cse6 .cse7 (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (and .cse8 .cse5 .cse12 .cse2 .cse6 .cse4) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)) (and .cse5 .cse12 .cse2 .cse6 .cse4 .cse7))) [2023-04-01 20:18:30,827 INFO L899 garLoopResultBuilder]: For program point L593-3(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:18:30,827 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 587 604) the Hoare annotation is: (or (not (= |old(~a7~0)| 0)) (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))) [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:18:30,828 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|)) [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-04-01 20:18:30,828 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-04-01 20:18:30,830 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,831 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 468) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-04-01 20:18:30,832 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,833 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-04-01 20:18:30,834 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-04-01 20:18:30,835 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-04-01 20:18:30,836 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,837 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 40 585) the Hoare annotation is: (let ((.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a8~0 |old(~a8~0)|)) (.cse8 (= ~a7~0 |old(~a7~0)|)) (.cse16 (= ~a21~0 1)) (.cse9 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a17~0 1)) (.cse22 (= ~a8~0 15)) (.cse15 (= ~a20~0 |old(~a20~0)|)) (.cse24 (= |old(~a20~0)| 1))) (let ((.cse4 (not .cse24)) (.cse17 (not (= 15 |old(~a8~0)|))) (.cse19 (and .cse8 .cse16 .cse9 .cse10 .cse22 .cse15)) (.cse23 (= |old(~a8~0)| 13)) (.cse20 (and .cse8 .cse14 .cse16 .cse9 .cse11 .cse15)) (.cse13 (< 0 |old(~a17~0)|)) (.cse5 (< 0 |old(~a21~0)|)) (.cse6 (< 13 |old(~a8~0)|)) (.cse7 (= ~a21~0 |old(~a21~0)|)) (.cse12 (< 5 |old(~a16~0)|)) (.cse0 (and .cse16 .cse9 (= ~a7~0 0) .cse10 .cse11 .cse15)) (.cse1 (not (= |old(~a7~0)| 0))) (.cse18 (< 0 |old(~a20~0)|)) (.cse2 (not (= |old(~a21~0)| 1))) (.cse21 (< |old(~a8~0)| 15)) (.cse3 (not (= |old(~a17~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 (= ~a20~0 1) .cse11) .cse3 .cse12 .cse4) (or .cse5 .cse13 .cse6 (and .cse7 .cse8 .cse14 .cse9 .cse11 .cse15) .cse4) (or .cse6 .cse2 (and .cse8 .cse16 .cse9 .cse10 .cse11 .cse15) .cse3 .cse4) (or .cse17 .cse18 .cse2 .cse19 .cse3) (or (< 0 |old(~a7~0)|) .cse20 .cse13 .cse2 .cse21) (or .cse17 .cse13 (and .cse8 .cse14 .cse16 .cse9 .cse22 .cse15) .cse2) (or .cse17 .cse23 .cse2 .cse19 .cse24 .cse3 .cse12) (or .cse23 (<= 15 |old(~a8~0)|) .cse20 .cse2 .cse12) (or .cse20 .cse13 .cse2 .cse12) (or .cse5 .cse18 .cse6 .cse3 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse15) .cse12) (or .cse0 .cse1 .cse18 .cse2 .cse21 .cse3)))) [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,838 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a7~0 0) (= ~a17~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0)) [2023-04-01 20:18:30,839 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:18:30,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:18:30,842 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:30,843 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:18:30,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:18:30 BoogieIcfgContainer [2023-04-01 20:18:30,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:18:30,857 INFO L158 Benchmark]: Toolchain (without parser) took 25731.36ms. Allocated memory was 281.0MB in the beginning and 778.0MB in the end (delta: 497.0MB). Free memory was 238.7MB in the beginning and 532.3MB in the end (delta: -293.6MB). Peak memory consumption was 473.8MB. Max. memory is 8.0GB. [2023-04-01 20:18:30,858 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 220.2MB. Free memory is still 168.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:18:30,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.79ms. Allocated memory is still 281.0MB. Free memory was 238.3MB in the beginning and 210.9MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-01 20:18:30,858 INFO L158 Benchmark]: Boogie Preprocessor took 59.56ms. Allocated memory is still 281.0MB. Free memory was 210.9MB in the beginning and 206.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 20:18:30,858 INFO L158 Benchmark]: RCFGBuilder took 925.45ms. Allocated memory is still 281.0MB. Free memory was 206.2MB in the beginning and 186.0MB in the end (delta: 20.2MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. [2023-04-01 20:18:30,859 INFO L158 Benchmark]: TraceAbstraction took 24343.66ms. Allocated memory was 281.0MB in the beginning and 778.0MB in the end (delta: 497.0MB). Free memory was 185.0MB in the beginning and 532.3MB in the end (delta: -347.4MB). Peak memory consumption was 419.1MB. Max. memory is 8.0GB. [2023-04-01 20:18:30,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 220.2MB. Free memory is still 168.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.79ms. Allocated memory is still 281.0MB. Free memory was 238.3MB in the beginning and 210.9MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.56ms. Allocated memory is still 281.0MB. Free memory was 210.9MB in the beginning and 206.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 925.45ms. Allocated memory is still 281.0MB. Free memory was 206.2MB in the beginning and 186.0MB in the end (delta: 20.2MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. * TraceAbstraction took 24343.66ms. Allocated memory was 281.0MB in the beginning and 778.0MB in the end (delta: 497.0MB). Free memory was 185.0MB in the beginning and 532.3MB in the end (delta: -347.4MB). Peak memory consumption was 419.1MB. 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: 468]: 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: 24.3s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8891 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8887 mSDsluCounter, 628 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 451 mSDsCounter, 1747 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10767 IncrementalHoareTripleChecker+Invalid, 12514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1747 mSolverCounterUnsat, 177 mSDtfsCounter, 10767 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2170 GetRequests, 2010 SyntacticMatches, 11 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3241occurred in iteration=6, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2082 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 115 PreInvPairs, 183 NumberOfFragments, 1035 HoareAnnotationTreeSize, 115 FomulaSimplifications, 89938 FormulaSimplificationTreeSizeReduction, 4.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8011 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2252 NumberOfCodeBlocks, 2252 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3143 ConstructedInterpolants, 0 QuantifiedInterpolants, 8171 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3132 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 1655/1901 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: (((((((((((((((((((((a7 <= 0 && a17 <= 0) && a21 == 1) && 15 == \old(a8)) && 15 <= a8) || (((a17 <= 0 && a21 == 1) && 15 == \old(a8)) && a16 <= 5)) || !(\old(a7) == 0)) || ((((a8 <= 13 && a21 == 1) && 15 == \old(a8)) && a17 == 1) && a20 == 1)) || ((((a20 <= 0 && a21 == 1) && 15 == \old(a8)) && a17 == 1) && a8 == 15)) || (((((a20 <= 0 && a21 == 1) && a7 == 0) && 15 == \old(a8)) && a17 == 1) && 15 <= a8)) || ((((a21 == 1 && 15 == \old(a8)) && a16 <= 5) && !(a8 == 13)) && a8 < 15)) || ((((a8 <= 13 && a21 <= 0) && a17 <= 0) && 15 == \old(a8)) && a20 == 1)) || !(\old(a21) == 1)) || (((((a21 == 1 && a7 == 0) && 15 == \old(a8)) && a17 == 1) && a20 == 1) && a8 < 15)) || \old(a8) < 15) || (((a17 <= 0 && a21 == 1) && 15 == \old(a8)) && a8 == 15)) || (((((!(a20 == 1) && a21 == 1) && 15 == \old(a8)) && a17 == 1) && a16 <= 5) && a8 == 15)) || (((((a21 == 1 && a16 == \old(a16)) && a7 == 0) && a17 == 1) && a20 == 1) && a8 == \old(a8))) || !(\old(a17) == 1)) || (((((a20 <= 0 && a8 <= 13) && a21 <= 0) && 15 == \old(a8)) && a17 == 1) && a16 <= 5)) || 5 < \old(a16)) || !(\old(a20) == 1)) || (((((a8 <= 13 && a21 <= 0) && 15 == \old(a8)) && a17 == 1) && a16 <= 5) && a20 == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:18:30,872 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...