/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/Problem02_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:21:57,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:21:57,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:21:57,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:21:57,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 20:21:57,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 20:21:57,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 20:21:57,201 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 20:21:57,214 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:21:57,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:21:57,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:21:57,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:21:57,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:21:57,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:21:57,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:21:57,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:21:57,216 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:21:57,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:21:57,216 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:21:57,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:21:57,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:21:57,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:21:57,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:21:57,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:21:57,219 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:21:57,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:21:57,219 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:21:57,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:21:57,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:21:57,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:21:57,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:21:57,405 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:21:57,405 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:21:57,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2023-04-01 20:21:58,584 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:21:58,790 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:21:58,791 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2023-04-01 20:21:58,803 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14c6188ce/6fbeac2090f14f8ca40a5dfc6f7bdca7/FLAG3ec5fe7b0 [2023-04-01 20:21:58,827 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14c6188ce/6fbeac2090f14f8ca40a5dfc6f7bdca7 [2023-04-01 20:21:58,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:21:58,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:21:58,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:21:58,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:21:58,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:21:58,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:21:58" (1/1) ... [2023-04-01 20:21:58,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6a4897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:58, skipping insertion in model container [2023-04-01 20:21:58,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:21:58" (1/1) ... [2023-04-01 20:21:58,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:21:58,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:21:59,058 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/Problem02_label21.c[16331,16344] [2023-04-01 20:21:59,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:21:59,089 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:21:59,130 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/Problem02_label21.c[16331,16344] [2023-04-01 20:21:59,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:21:59,149 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:21:59,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59 WrapperNode [2023-04-01 20:21:59,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:21:59,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:21:59,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:21:59,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:21:59,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:21:59,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:21:59,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:21:59,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:21:59,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (1/1) ... [2023-04-01 20:21:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:21:59,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:59,288 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 20:21:59,309 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 20:21:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:21:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:21:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:21:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:21:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:21:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:21:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:21:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:21:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:21:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:21:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:21:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:21:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:21:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:21:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:21:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:21:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:21:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:21:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:21:59,468 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:21:59,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:22:00,269 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:22:00,279 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:22:00,279 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:22:00,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:22:00 BoogieIcfgContainer [2023-04-01 20:22:00,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:22:00,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:22:00,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:22:00,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:22:00,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:21:58" (1/3) ... [2023-04-01 20:22:00,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe4ae91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:22:00, skipping insertion in model container [2023-04-01 20:22:00,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:59" (2/3) ... [2023-04-01 20:22:00,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe4ae91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:22:00, skipping insertion in model container [2023-04-01 20:22:00,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:22:00" (3/3) ... [2023-04-01 20:22:00,289 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2023-04-01 20:22:00,302 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:22:00,302 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:22:00,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:22:00,358 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;@5eda40af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:22:00,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:22:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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 20:22:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-01 20:22:00,376 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:00,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:00,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:00,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:00,384 INFO L85 PathProgramCache]: Analyzing trace with hash -907163775, now seen corresponding path program 1 times [2023-04-01 20:22:00,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:00,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352045154] [2023-04-01 20:22:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:00,966 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 20:22:00,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:00,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352045154] [2023-04-01 20:22:00,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352045154] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:00,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:00,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 20:22:00,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746920238] [2023-04-01 20:22:00,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:00,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 20:22:00,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:00,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 20:22:00,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:22:00,998 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 20:22:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:01,935 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2023-04-01 20:22:01,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:22:01,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 102 [2023-04-01 20:22:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:01,956 INFO L225 Difference]: With dead ends: 627 [2023-04-01 20:22:01,957 INFO L226 Difference]: Without dead ends: 327 [2023-04-01 20:22:01,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-01 20:22:01,969 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 817 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:01,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 33 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 20:22:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-04-01 20:22:02,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2023-04-01 20:22:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 310 states have (on average 1.5161290322580645) internal successors, (470), 311 states have internal predecessors, (470), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2023-04-01 20:22:02,036 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 102 [2023-04-01 20:22:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:02,036 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2023-04-01 20:22:02,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 20:22:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2023-04-01 20:22:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-04-01 20:22:02,039 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:02,039 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:02,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:22:02,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:02,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:02,040 INFO L85 PathProgramCache]: Analyzing trace with hash -918902129, now seen corresponding path program 1 times [2023-04-01 20:22:02,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:02,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090988839] [2023-04-01 20:22:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:02,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:02,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:02,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090988839] [2023-04-01 20:22:02,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090988839] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:02,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:02,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:22:02,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369503375] [2023-04-01 20:22:02,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:02,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:22:02,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:02,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:22:02,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:02,296 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 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 20:22:03,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:03,377 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2023-04-01 20:22:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 20:22:03,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 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 117 [2023-04-01 20:22:03,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:03,381 INFO L225 Difference]: With dead ends: 1102 [2023-04-01 20:22:03,381 INFO L226 Difference]: Without dead ends: 789 [2023-04-01 20:22:03,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-04-01 20:22:03,383 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1128 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:03,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 106 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 20:22:03,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-04-01 20:22:03,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2023-04-01 20:22:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 752 states have (on average 1.4534574468085106) internal successors, (1093), 758 states have internal predecessors, (1093), 7 states have call successors, (7), 7 states have call predecessors, (7), 12 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-04-01 20:22:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2023-04-01 20:22:03,413 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 117 [2023-04-01 20:22:03,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:03,413 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2023-04-01 20:22:03,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 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 20:22:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2023-04-01 20:22:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 20:22:03,416 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:03,416 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:03,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 20:22:03,416 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:03,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:03,417 INFO L85 PathProgramCache]: Analyzing trace with hash -407905445, now seen corresponding path program 1 times [2023-04-01 20:22:03,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:03,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240815546] [2023-04-01 20:22:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:03,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:22:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:22:03,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:03,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240815546] [2023-04-01 20:22:03,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240815546] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:03,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157702647] [2023-04-01 20:22:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:03,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:03,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:03,647 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 20:22:03,669 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 20:22:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:03,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:03,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:03,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157702647] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:03,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:03,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-04-01 20:22:03,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668092922] [2023-04-01 20:22:03,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:03,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:22:03,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:03,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:22:03,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:03,953 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 10 states have internal predecessors, (145), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:04,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:04,660 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2023-04-01 20:22:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:22:04,660 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 10 states have internal predecessors, (145), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 125 [2023-04-01 20:22:04,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:04,663 INFO L225 Difference]: With dead ends: 1395 [2023-04-01 20:22:04,663 INFO L226 Difference]: Without dead ends: 629 [2023-04-01 20:22:04,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 254 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-04-01 20:22:04,666 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1261 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:04,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 47 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 20:22:04,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-04-01 20:22:04,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2023-04-01 20:22:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 597 states have (on average 1.4137353433835846) internal successors, (844), 599 states have internal predecessors, (844), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2023-04-01 20:22:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2023-04-01 20:22:04,693 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 125 [2023-04-01 20:22:04,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:04,695 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2023-04-01 20:22:04,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 10 states have internal predecessors, (145), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2023-04-01 20:22:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-01 20:22:04,699 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:04,699 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:04,717 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 20:22:04,909 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 20:22:04,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:04,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:04,909 INFO L85 PathProgramCache]: Analyzing trace with hash -869114254, now seen corresponding path program 1 times [2023-04-01 20:22:04,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:04,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618049546] [2023-04-01 20:22:04,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:04,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:05,086 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:05,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:05,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618049546] [2023-04-01 20:22:05,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618049546] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:05,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:05,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 20:22:05,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008425697] [2023-04-01 20:22:05,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:05,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 20:22:05,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:05,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 20:22:05,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:05,090 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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 20:22:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:05,732 INFO L93 Difference]: Finished difference Result 1874 states and 2743 transitions. [2023-04-01 20:22:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:22:05,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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 124 [2023-04-01 20:22:05,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:05,737 INFO L225 Difference]: With dead ends: 1874 [2023-04-01 20:22:05,737 INFO L226 Difference]: Without dead ends: 1269 [2023-04-01 20:22:05,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:05,739 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 833 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:05,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 76 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 20:22:05,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2023-04-01 20:22:05,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 927. [2023-04-01 20:22:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 902 states have (on average 1.375831485587583) internal successors, (1241), 911 states have internal predecessors, (1241), 8 states have call successors, (8), 8 states have call predecessors, (8), 16 states have return successors, (41), 7 states have call predecessors, (41), 7 states have call successors, (41) [2023-04-01 20:22:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1290 transitions. [2023-04-01 20:22:05,768 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1290 transitions. Word has length 124 [2023-04-01 20:22:05,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:05,768 INFO L495 AbstractCegarLoop]: Abstraction has 927 states and 1290 transitions. [2023-04-01 20:22:05,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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 20:22:05,768 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1290 transitions. [2023-04-01 20:22:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-01 20:22:05,770 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:05,770 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:05,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 20:22:05,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:05,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:05,771 INFO L85 PathProgramCache]: Analyzing trace with hash -425340182, now seen corresponding path program 1 times [2023-04-01 20:22:05,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:05,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006852206] [2023-04-01 20:22:05,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:05,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:06,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:06,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006852206] [2023-04-01 20:22:06,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006852206] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:06,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85134736] [2023-04-01 20:22:06,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:06,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:06,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:06,212 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 20:22:06,225 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 20:22:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:06,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:06,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:06,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85134736] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:06,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:06,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:22:06,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49871644] [2023-04-01 20:22:06,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:06,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:06,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:06,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:06,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:06,435 INFO L87 Difference]: Start difference. First operand 927 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:22:06,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:06,756 INFO L93 Difference]: Finished difference Result 2726 states and 3884 transitions. [2023-04-01 20:22:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:06,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 128 [2023-04-01 20:22:06,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:06,763 INFO L225 Difference]: With dead ends: 2726 [2023-04-01 20:22:06,763 INFO L226 Difference]: Without dead ends: 1805 [2023-04-01 20:22:06,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:06,766 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 54 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:06,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 101 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:22:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2023-04-01 20:22:06,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1661. [2023-04-01 20:22:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1661 states, 1621 states have (on average 1.2399753238741518) internal successors, (2010), 1635 states have internal predecessors, (2010), 13 states have call successors, (13), 13 states have call predecessors, (13), 26 states have return successors, (103), 12 states have call predecessors, (103), 12 states have call successors, (103) [2023-04-01 20:22:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2126 transitions. [2023-04-01 20:22:06,806 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2126 transitions. Word has length 128 [2023-04-01 20:22:06,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:06,807 INFO L495 AbstractCegarLoop]: Abstraction has 1661 states and 2126 transitions. [2023-04-01 20:22:06,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:22:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2126 transitions. [2023-04-01 20:22:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-01 20:22:06,810 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:06,810 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:06,820 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 20:22:07,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:07,016 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:07,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:07,016 INFO L85 PathProgramCache]: Analyzing trace with hash 979833916, now seen corresponding path program 1 times [2023-04-01 20:22:07,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:07,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144191068] [2023-04-01 20:22:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:07,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:22:07,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:07,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144191068] [2023-04-01 20:22:07,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144191068] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:07,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005742533] [2023-04-01 20:22:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:07,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:07,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:07,176 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 20:22:07,179 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 20:22:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:07,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:07,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:07,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:07,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005742533] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:07,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:07,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:22:07,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247249978] [2023-04-01 20:22:07,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:07,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:22:07,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:07,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:22:07,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:07,429 INFO L87 Difference]: Start difference. First operand 1661 states and 2126 transitions. Second operand has 12 states, 12 states have (on average 15.833333333333334) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:09,709 INFO L93 Difference]: Finished difference Result 6523 states and 9222 transitions. [2023-04-01 20:22:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 20:22:09,710 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.833333333333334) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 141 [2023-04-01 20:22:09,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:09,728 INFO L225 Difference]: With dead ends: 6523 [2023-04-01 20:22:09,728 INFO L226 Difference]: Without dead ends: 4868 [2023-04-01 20:22:09,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 293 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2023-04-01 20:22:09,736 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1785 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:09,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 152 Invalid, 3072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 20:22:09,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2023-04-01 20:22:09,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4359. [2023-04-01 20:22:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4359 states, 4227 states have (on average 1.1570854033593565) internal successors, (4891), 4297 states have internal predecessors, (4891), 31 states have call successors, (31), 31 states have call predecessors, (31), 100 states have return successors, (430), 30 states have call predecessors, (430), 30 states have call successors, (430) [2023-04-01 20:22:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 5352 transitions. [2023-04-01 20:22:09,862 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 5352 transitions. Word has length 141 [2023-04-01 20:22:09,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:09,862 INFO L495 AbstractCegarLoop]: Abstraction has 4359 states and 5352 transitions. [2023-04-01 20:22:09,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.833333333333334) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 5352 transitions. [2023-04-01 20:22:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-01 20:22:09,870 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:09,870 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:09,878 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 20:22:10,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:10,076 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:10,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:10,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1145300487, now seen corresponding path program 1 times [2023-04-01 20:22:10,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:10,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563220504] [2023-04-01 20:22:10,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-01 20:22:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-01 20:22:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-01 20:22:10,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:10,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563220504] [2023-04-01 20:22:10,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563220504] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:10,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143130216] [2023-04-01 20:22:10,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:10,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:10,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:10,340 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 20:22:10,342 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 20:22:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:10,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:22:10,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 89 proven. 45 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-01 20:22:10,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143130216] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:10,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:10,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-04-01 20:22:10,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896732275] [2023-04-01 20:22:10,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:10,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:22:10,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:10,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:22:10,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:22:10,573 INFO L87 Difference]: Start difference. First operand 4359 states and 5352 transitions. Second operand has 11 states, 11 states have (on average 19.272727272727273) internal successors, (212), 9 states have internal predecessors, (212), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:22:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:11,351 INFO L93 Difference]: Finished difference Result 8018 states and 9848 transitions. [2023-04-01 20:22:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:22:11,351 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 19.272727272727273) internal successors, (212), 9 states have internal predecessors, (212), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 190 [2023-04-01 20:22:11,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:11,362 INFO L225 Difference]: With dead ends: 8018 [2023-04-01 20:22:11,362 INFO L226 Difference]: Without dead ends: 3893 [2023-04-01 20:22:11,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 388 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-01 20:22:11,369 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 759 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:11,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 75 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 20:22:11,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3893 states. [2023-04-01 20:22:11,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3893 to 3885. [2023-04-01 20:22:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 3776 states have (on average 1.0995762711864407) internal successors, (4152), 3829 states have internal predecessors, (4152), 28 states have call successors, (28), 28 states have call predecessors, (28), 80 states have return successors, (274), 27 states have call predecessors, (274), 27 states have call successors, (274) [2023-04-01 20:22:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 4454 transitions. [2023-04-01 20:22:11,446 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 4454 transitions. Word has length 190 [2023-04-01 20:22:11,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:11,446 INFO L495 AbstractCegarLoop]: Abstraction has 3885 states and 4454 transitions. [2023-04-01 20:22:11,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.272727272727273) internal successors, (212), 9 states have internal predecessors, (212), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:22:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 4454 transitions. [2023-04-01 20:22:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-01 20:22:11,452 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:11,452 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:11,460 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 20:22:11,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:11,659 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:11,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:11,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1608793743, now seen corresponding path program 1 times [2023-04-01 20:22:11,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:11,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190777119] [2023-04-01 20:22:11,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:11,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:22:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-01 20:22:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-01 20:22:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-04-01 20:22:11,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:11,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190777119] [2023-04-01 20:22:11,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190777119] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:11,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696295104] [2023-04-01 20:22:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:11,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:11,862 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 20:22:11,864 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 20:22:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:11,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-01 20:22:12,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-01 20:22:12,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696295104] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:12,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:12,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:22:12,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629009773] [2023-04-01 20:22:12,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:12,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:22:12,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:12,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:22:12,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:12,097 INFO L87 Difference]: Start difference. First operand 3885 states and 4454 transitions. Second operand has 12 states, 12 states have (on average 18.166666666666668) internal successors, (218), 10 states have internal predecessors, (218), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 20:22:14,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:14,441 INFO L93 Difference]: Finished difference Result 7940 states and 9105 transitions. [2023-04-01 20:22:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-04-01 20:22:14,457 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 18.166666666666668) internal successors, (218), 10 states have internal predecessors, (218), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 194 [2023-04-01 20:22:14,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:14,472 INFO L225 Difference]: With dead ends: 7940 [2023-04-01 20:22:14,472 INFO L226 Difference]: Without dead ends: 4030 [2023-04-01 20:22:14,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2023-04-01 20:22:14,480 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1399 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 3767 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 3982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 3767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:14,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 217 Invalid, 3982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 3767 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 20:22:14,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4030 states. [2023-04-01 20:22:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4030 to 3726. [2023-04-01 20:22:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3726 states, 3626 states have (on average 1.051296194153337) internal successors, (3812), 3672 states have internal predecessors, (3812), 27 states have call successors, (27), 27 states have call predecessors, (27), 72 states have return successors, (171), 26 states have call predecessors, (171), 26 states have call successors, (171) [2023-04-01 20:22:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 4010 transitions. [2023-04-01 20:22:14,587 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 4010 transitions. Word has length 194 [2023-04-01 20:22:14,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:14,587 INFO L495 AbstractCegarLoop]: Abstraction has 3726 states and 4010 transitions. [2023-04-01 20:22:14,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.166666666666668) internal successors, (218), 10 states have internal predecessors, (218), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 20:22:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 4010 transitions. [2023-04-01 20:22:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-01 20:22:14,592 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:14,593 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:14,613 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 20:22:14,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:14,800 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:14,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:14,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1470410571, now seen corresponding path program 1 times [2023-04-01 20:22:14,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:14,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258300036] [2023-04-01 20:22:14,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:14,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-01 20:22:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-01 20:22:15,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:15,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258300036] [2023-04-01 20:22:15,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258300036] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:15,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618178736] [2023-04-01 20:22:15,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:15,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:15,392 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 20:22:15,395 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 20:22:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:15,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:15,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-01 20:22:15,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:15,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618178736] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:15,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:15,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 20:22:15,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710277359] [2023-04-01 20:22:15,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:15,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:15,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:15,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:15,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:22:15,580 INFO L87 Difference]: Start difference. First operand 3726 states and 4010 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:22:15,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:15,853 INFO L93 Difference]: Finished difference Result 7159 states and 7715 transitions. [2023-04-01 20:22:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:15,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 208 [2023-04-01 20:22:15,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:15,854 INFO L225 Difference]: With dead ends: 7159 [2023-04-01 20:22:15,854 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:22:15,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:22:15,864 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 58 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:15,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 191 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 20:22:15,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:22:15,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:22:15,864 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 20:22:15,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:22:15,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2023-04-01 20:22:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:15,865 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:22:15,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:22:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:22:15,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:22:15,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:22:15,872 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 20:22:16,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:16,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:22:20,767 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:22:20,768 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:22:20,768 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:22:20,768 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:20,768 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse8 (<= ~a28~0 8)) (.cse1 (<= ~a17~0 8)) (.cse7 (= ~a25~0 0)) (.cse5 (<= 10 ~a28~0)) (.cse3 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10)) (.cse4 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (and (<= 9 ~a28~0) .cse0 .cse1 .cse2) (< 7 |old(~a28~0)|) (and .cse0 .cse1 (<= ~a28~0 7)) (and .cse3 .cse0 .cse4 (not (= ~a11~0 1))) (and .cse5 .cse6 .cse1 .cse2 .cse7) (and .cse3 .cse0 .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse6 .cse1 .cse2 .cse4 .cse7) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse6 .cse8 .cse1 .cse7) (and .cse5 .cse3 .cse2 .cse4))) [2023-04-01 20:22:20,768 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-04-01 20:22:20,768 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-04-01 20:22:20,768 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-04-01 20:22:20,769 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse8 (<= ~a28~0 8)) (.cse1 (<= ~a17~0 8)) (.cse7 (= ~a25~0 0)) (.cse5 (<= 10 ~a28~0)) (.cse3 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10)) (.cse4 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (and (<= 9 ~a28~0) .cse0 .cse1 .cse2) (< 7 |old(~a28~0)|) (and .cse0 .cse1 (<= ~a28~0 7)) (and .cse3 .cse0 .cse4 (not (= ~a11~0 1))) (and .cse5 .cse6 .cse1 .cse2 .cse7) (and .cse3 .cse0 .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse6 .cse1 .cse2 .cse4 .cse7) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse6 .cse8 .cse1 .cse7) (and .cse5 .cse3 .cse2 .cse4))) [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~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)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,769 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-04-01 20:22:20,770 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-04-01 20:22:20,771 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,772 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-04-01 20:22:20,773 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:20,774 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-04-01 20:22:20,775 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,776 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse13 (= ~a17~0 8)) (.cse17 (= ~a25~0 1)) (.cse9 (= ~a19~0 1)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse18 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse10 (= ~a25~0 |old(~a25~0)|))) (let ((.cse4 (and .cse6 .cse18 .cse7 .cse8 .cse10)) (.cse5 (not (= 0 |old(~a25~0)|))) (.cse15 (< |old(~a28~0)| 10)) (.cse3 (< 8 |old(~a28~0)|)) (.cse11 (not (= |old(~a19~0)| 1))) (.cse16 (and .cse13 .cse6 .cse17 .cse8 .cse9)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse0 (< 8 |old(~a17~0)|)) (.cse1 (not (= |old(~a25~0)| 1))) (.cse2 (and .cse6 .cse17 .cse18 .cse7 .cse8)) (.cse12 (< 10 |old(~a28~0)|))) (and (or .cse0 .cse1 (< 7 |old(~a28~0)|) .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 (and .cse6 .cse7 .cse8 .cse9 .cse10) .cse11 .cse5 .cse12) (or (and .cse13 .cse6 .cse8 .cse9 .cse10) .cse11 .cse14 .cse15 .cse12) (or .cse0 .cse4 .cse5 .cse15 .cse12) (or .cse1 (= |old(~a11~0)| 1) .cse11 .cse16 .cse14) (or .cse1 .cse3 .cse11 .cse16 .cse14) (or .cse0 .cse1 .cse2 (< |old(~a28~0)| 9) .cse12)))) [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-04-01 20:22:20,777 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:20,778 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-04-01 20:22:20,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:20,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:22:20,782 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:20,783 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:22:20,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:22:20 BoogieIcfgContainer [2023-04-01 20:22:20,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:22:20,804 INFO L158 Benchmark]: Toolchain (without parser) took 21974.41ms. Allocated memory was 216.0MB in the beginning and 702.5MB in the end (delta: 486.5MB). Free memory was 169.1MB in the beginning and 498.9MB in the end (delta: -329.9MB). Peak memory consumption was 428.1MB. Max. memory is 8.0GB. [2023-04-01 20:22:20,804 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 216.0MB. Free memory is still 163.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:22:20,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.51ms. Allocated memory is still 216.0MB. Free memory was 169.1MB in the beginning and 142.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-01 20:22:20,805 INFO L158 Benchmark]: Boogie Preprocessor took 92.42ms. Allocated memory is still 216.0MB. Free memory was 142.4MB in the beginning and 137.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:20,805 INFO L158 Benchmark]: RCFGBuilder took 1039.66ms. Allocated memory was 216.0MB in the beginning and 277.9MB in the end (delta: 61.9MB). Free memory was 137.8MB in the beginning and 179.4MB in the end (delta: -41.7MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:20,805 INFO L158 Benchmark]: TraceAbstraction took 20519.04ms. Allocated memory was 277.9MB in the beginning and 702.5MB in the end (delta: 424.7MB). Free memory was 178.9MB in the beginning and 498.9MB in the end (delta: -320.1MB). Peak memory consumption was 374.7MB. Max. memory is 8.0GB. [2023-04-01 20:22:20,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 216.0MB. Free memory is still 163.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 316.51ms. Allocated memory is still 216.0MB. Free memory was 169.1MB in the beginning and 142.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.42ms. Allocated memory is still 216.0MB. Free memory was 142.4MB in the beginning and 137.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1039.66ms. Allocated memory was 216.0MB in the beginning and 277.9MB in the end (delta: 61.9MB). Free memory was 137.8MB in the beginning and 179.4MB in the end (delta: -41.7MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. * TraceAbstraction took 20519.04ms. Allocated memory was 277.9MB in the beginning and 702.5MB in the end (delta: 424.7MB). Free memory was 178.9MB in the beginning and 498.9MB in the end (delta: -320.1MB). Peak memory consumption was 374.7MB. 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: 470]: 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, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8108 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8094 mSDsluCounter, 998 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 577 mSDsCounter, 1549 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11135 IncrementalHoareTripleChecker+Invalid, 12684 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1549 mSolverCounterUnsat, 421 mSDtfsCounter, 11135 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1850 GetRequests, 1703 SyntacticMatches, 6 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4359occurred in iteration=6, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1350 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 136 PreInvPairs, 198 NumberOfFragments, 605 HoareAnnotationTreeSize, 136 FomulaSimplifications, 61122 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8337 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2315 NumberOfCodeBlocks, 2315 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2946 ConstructedInterpolants, 0 QuantifiedInterpolants, 8795 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2779 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 1438/1596 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: 616]: Loop Invariant Derived loop invariant: (((((((((((0 < \old(a11) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10)) || 7 < \old(a28)) || ((a25 == 1 && a17 <= 8) && a28 <= 7)) || (((a17 == 8 && a25 == 1) && a19 == 1) && !(a11 == 1))) || ((((10 <= a28 && a17 <= \old(a17)) && a17 <= 8) && a28 <= 10) && a25 == 0)) || (((a17 == 8 && a25 == 1) && a28 <= 8) && a19 == 1)) || !(\old(a19) == 1)) || ((((a17 <= \old(a17) && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 == 0)) || !(0 == \old(a25))) || !(8 == \old(a17))) || (((a17 <= \old(a17) && a28 <= 8) && a17 <= 8) && a25 == 0)) || (((10 <= a28 && a17 == 8) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:22:20,837 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...