/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/Problem14_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:52:07,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:52:07,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:52:07,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:52:07,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 22:52:07,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 22:52:07,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 22:52:07,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 22:52:07,166 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:52:07,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:52:07,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:52:07,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:52:07,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:52:07,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:52:07,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:52:07,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:52:07,169 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:52:07,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:52:07,170 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:52:07,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:52:07,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:52:07,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:52:07,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:52:07,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:52:07,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:52:07,171 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:52:07,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:52:07,171 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:52:07,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:52:07,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:52:07,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:52:07,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:52:07,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:52:07,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:52:07,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:52:07,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:52:07,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:52:07,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:52:07,173 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:52:07,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:52:07,173 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:52:07,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:52:07,174 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:52:07,174 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:52:07,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:52:07,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:52:07,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:52:07,424 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:52:07,424 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:52:07,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2023-04-01 22:52:08,576 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:52:08,845 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:52:08,848 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2023-04-01 22:52:08,868 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1651c77/d2e546e850f748eb9e627cc25cc938b2/FLAG0b27fdc5d [2023-04-01 22:52:08,880 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1651c77/d2e546e850f748eb9e627cc25cc938b2 [2023-04-01 22:52:08,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:52:08,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:52:08,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:52:08,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:52:08,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:52:08,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:52:08" (1/1) ... [2023-04-01 22:52:08,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8959e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:08, skipping insertion in model container [2023-04-01 22:52:08,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:52:08" (1/1) ... [2023-04-01 22:52:08,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:52:08,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:52:09,124 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/Problem14_label05.c[6428,6441] [2023-04-01 22:52:09,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:52:09,297 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:52:09,333 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/Problem14_label05.c[6428,6441] [2023-04-01 22:52:09,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:52:09,456 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:52:09,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09 WrapperNode [2023-04-01 22:52:09,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:52:09,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:52:09,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:52:09,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:52:09,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:52:09,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:52:09,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:52:09,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:52:09,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (1/1) ... [2023-04-01 22:52:09,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:52:09,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:09,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 22:52:09,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 22:52:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:52:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:52:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:52:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:52:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:52:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:52:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:52:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:52:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:52:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:52:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:52:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:52:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:52:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:52:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:52:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:52:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:52:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:52:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:52:09,770 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:52:09,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:52:10,895 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:52:10,909 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:52:10,910 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:52:10,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:52:10 BoogieIcfgContainer [2023-04-01 22:52:10,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:52:10,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:52:10,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:52:10,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:52:10,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:52:08" (1/3) ... [2023-04-01 22:52:10,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b797d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:52:10, skipping insertion in model container [2023-04-01 22:52:10,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:09" (2/3) ... [2023-04-01 22:52:10,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b797d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:52:10, skipping insertion in model container [2023-04-01 22:52:10,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:52:10" (3/3) ... [2023-04-01 22:52:10,922 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2023-04-01 22:52:10,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:52:10,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:52:10,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:52:10,995 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;@72f9cfc5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:52:10,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:52:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 246 states have (on average 1.7276422764227641) internal successors, (425), 247 states have internal predecessors, (425), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:52:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-04-01 22:52:11,010 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:11,010 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] [2023-04-01 22:52:11,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:11,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:11,015 INFO L85 PathProgramCache]: Analyzing trace with hash 140149442, now seen corresponding path program 1 times [2023-04-01 22:52:11,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:11,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378492850] [2023-04-01 22:52:11,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:11,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:52:11,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:11,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378492850] [2023-04-01 22:52:11,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378492850] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:11,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:52:11,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 22:52:11,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428322759] [2023-04-01 22:52:11,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:11,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:52:11,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:11,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:52:11,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:52:11,698 INFO L87 Difference]: Start difference. First operand has 254 states, 246 states have (on average 1.7276422764227641) internal successors, (425), 247 states have internal predecessors, (425), 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 16.25) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:52:13,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:13,303 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2023-04-01 22:52:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:52:13,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 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 69 [2023-04-01 22:52:13,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:13,319 INFO L225 Difference]: With dead ends: 886 [2023-04-01 22:52:13,319 INFO L226 Difference]: Without dead ends: 564 [2023-04-01 22:52:13,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:52:13,328 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 912 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:13,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 34 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:52:13,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2023-04-01 22:52:13,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2023-04-01 22:52:13,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 546 states have (on average 1.6282051282051282) internal successors, (889), 548 states have internal predecessors, (889), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-01 22:52:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2023-04-01 22:52:13,394 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 69 [2023-04-01 22:52:13,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:13,395 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2023-04-01 22:52:13,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:52:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2023-04-01 22:52:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-01 22:52:13,400 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:13,401 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:52:13,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:52:13,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:13,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash -220421221, now seen corresponding path program 1 times [2023-04-01 22:52:13,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:13,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517942029] [2023-04-01 22:52:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:13,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:52:13,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:13,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517942029] [2023-04-01 22:52:13,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517942029] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:13,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:52:13,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:52:13,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118620176] [2023-04-01 22:52:13,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:13,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:52:13,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:13,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:52:13,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:52:13,801 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:52:15,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:15,565 INFO L93 Difference]: Finished difference Result 2246 states and 3775 transitions. [2023-04-01 22:52:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-01 22:52:15,566 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 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 138 [2023-04-01 22:52:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:15,576 INFO L225 Difference]: With dead ends: 2246 [2023-04-01 22:52:15,577 INFO L226 Difference]: Without dead ends: 1694 [2023-04-01 22:52:15,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:52:15,580 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 743 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:15,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 57 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 22:52:15,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2023-04-01 22:52:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1128. [2023-04-01 22:52:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1098 states have (on average 1.5163934426229508) internal successors, (1665), 1112 states have internal predecessors, (1665), 8 states have call successors, (8), 8 states have call predecessors, (8), 21 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2023-04-01 22:52:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1732 transitions. [2023-04-01 22:52:15,678 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1732 transitions. Word has length 138 [2023-04-01 22:52:15,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:15,684 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1732 transitions. [2023-04-01 22:52:15,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:52:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1732 transitions. [2023-04-01 22:52:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-01 22:52:15,689 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:15,690 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:52:15,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:52:15,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:15,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:15,691 INFO L85 PathProgramCache]: Analyzing trace with hash -886461094, now seen corresponding path program 1 times [2023-04-01 22:52:15,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:15,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564398955] [2023-04-01 22:52:15,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:15,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:15,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:52:15,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:15,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564398955] [2023-04-01 22:52:15,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564398955] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:15,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:52:15,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:52:15,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483810291] [2023-04-01 22:52:15,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:15,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:52:15,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:15,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:52:15,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:52:15,959 INFO L87 Difference]: Start difference. First operand 1128 states and 1732 transitions. Second operand has 8 states, 7 states have (on average 19.0) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:52:17,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:17,150 INFO L93 Difference]: Finished difference Result 2856 states and 4565 transitions. [2023-04-01 22:52:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:52:17,151 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.0) internal successors, (133), 5 states have internal predecessors, (133), 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 139 [2023-04-01 22:52:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:17,160 INFO L225 Difference]: With dead ends: 2856 [2023-04-01 22:52:17,160 INFO L226 Difference]: Without dead ends: 1734 [2023-04-01 22:52:17,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:52:17,164 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 823 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:17,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 49 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:52:17,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2023-04-01 22:52:17,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1706. [2023-04-01 22:52:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1654 states have (on average 1.36819830713422) internal successors, (2263), 1684 states have internal predecessors, (2263), 11 states have call successors, (11), 11 states have call predecessors, (11), 40 states have return successors, (132), 10 states have call predecessors, (132), 10 states have call successors, (132) [2023-04-01 22:52:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2406 transitions. [2023-04-01 22:52:17,214 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2406 transitions. Word has length 139 [2023-04-01 22:52:17,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:17,214 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 2406 transitions. [2023-04-01 22:52:17,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.0) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:52:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2406 transitions. [2023-04-01 22:52:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-01 22:52:17,217 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:17,217 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:52:17,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 22:52:17,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:17,218 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:17,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1165181182, now seen corresponding path program 1 times [2023-04-01 22:52:17,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:17,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324381174] [2023-04-01 22:52:17,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:17,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:52:17,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:17,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324381174] [2023-04-01 22:52:17,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324381174] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:17,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:52:17,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:52:17,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431417550] [2023-04-01 22:52:17,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:17,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:52:17,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:17,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:52:17,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:52:17,459 INFO L87 Difference]: Start difference. First operand 1706 states and 2406 transitions. Second operand has 7 states, 6 states have (on average 22.5) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:52:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:18,580 INFO L93 Difference]: Finished difference Result 4198 states and 5992 transitions. [2023-04-01 22:52:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:52:18,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.5) internal successors, (135), 4 states have internal predecessors, (135), 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 141 [2023-04-01 22:52:18,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:18,595 INFO L225 Difference]: With dead ends: 4198 [2023-04-01 22:52:18,596 INFO L226 Difference]: Without dead ends: 2498 [2023-04-01 22:52:18,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:52:18,602 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 825 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:18,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 45 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:52:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2023-04-01 22:52:18,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2092. [2023-04-01 22:52:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2092 states, 2025 states have (on average 1.3214814814814815) internal successors, (2676), 2066 states have internal predecessors, (2676), 13 states have call successors, (13), 13 states have call predecessors, (13), 53 states have return successors, (197), 12 states have call predecessors, (197), 12 states have call successors, (197) [2023-04-01 22:52:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2886 transitions. [2023-04-01 22:52:18,667 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2886 transitions. Word has length 141 [2023-04-01 22:52:18,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:18,668 INFO L495 AbstractCegarLoop]: Abstraction has 2092 states and 2886 transitions. [2023-04-01 22:52:18,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.5) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:52:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2886 transitions. [2023-04-01 22:52:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-01 22:52:18,671 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:18,671 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:52:18,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 22:52:18,672 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:18,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:18,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1393332242, now seen corresponding path program 1 times [2023-04-01 22:52:18,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:18,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199889020] [2023-04-01 22:52:18,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:18,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:19,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-01 22:52:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:52:19,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:19,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199889020] [2023-04-01 22:52:19,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199889020] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547744741] [2023-04-01 22:52:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:19,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:19,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:19,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 22:52:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:19,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:52:19,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 22:52:19,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:52:19,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547744741] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:19,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:52:19,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2023-04-01 22:52:19,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986433846] [2023-04-01 22:52:19,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:19,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:52:19,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:19,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:52:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:52:19,788 INFO L87 Difference]: Start difference. First operand 2092 states and 2886 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:52:20,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:20,409 INFO L93 Difference]: Finished difference Result 4914 states and 6761 transitions. [2023-04-01 22:52:20,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:52:20,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 225 [2023-04-01 22:52:20,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:20,423 INFO L225 Difference]: With dead ends: 4914 [2023-04-01 22:52:20,423 INFO L226 Difference]: Without dead ends: 2828 [2023-04-01 22:52:20,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:52:20,429 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 118 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:20,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 323 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:52:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2023-04-01 22:52:20,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2642. [2023-04-01 22:52:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2642 states, 2567 states have (on average 1.2886638098948189) internal successors, (3308), 2610 states have internal predecessors, (3308), 16 states have call successors, (16), 16 states have call predecessors, (16), 58 states have return successors, (251), 15 states have call predecessors, (251), 15 states have call successors, (251) [2023-04-01 22:52:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2642 states and 3575 transitions. [2023-04-01 22:52:20,497 INFO L78 Accepts]: Start accepts. Automaton has 2642 states and 3575 transitions. Word has length 225 [2023-04-01 22:52:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:20,498 INFO L495 AbstractCegarLoop]: Abstraction has 2642 states and 3575 transitions. [2023-04-01 22:52:20,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:52:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 3575 transitions. [2023-04-01 22:52:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-04-01 22:52:20,503 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:20,503 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:52:20,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 22:52:20,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:20,716 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:20,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:20,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1219538837, now seen corresponding path program 1 times [2023-04-01 22:52:20,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:20,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169846722] [2023-04-01 22:52:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:20,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-01 22:52:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 220 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:52:21,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:21,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169846722] [2023-04-01 22:52:21,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169846722] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:21,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371909654] [2023-04-01 22:52:21,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:21,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:21,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:21,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:21,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 22:52:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:21,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:52:21,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-04-01 22:52:21,745 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:52:21,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371909654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:21,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:52:21,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 22:52:21,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689771733] [2023-04-01 22:52:21,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:21,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:52:21,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:21,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:52:21,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:52:21,748 INFO L87 Difference]: Start difference. First operand 2642 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:52:22,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:22,366 INFO L93 Difference]: Finished difference Result 5096 states and 6948 transitions. [2023-04-01 22:52:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:52:22,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 280 [2023-04-01 22:52:22,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:22,378 INFO L225 Difference]: With dead ends: 5096 [2023-04-01 22:52:22,378 INFO L226 Difference]: Without dead ends: 2642 [2023-04-01 22:52:22,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:52:22,384 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 121 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:22,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 231 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:52:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2023-04-01 22:52:22,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2276. [2023-04-01 22:52:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 2206 states have (on average 1.2669990933816864) internal successors, (2795), 2248 states have internal predecessors, (2795), 14 states have call successors, (14), 14 states have call predecessors, (14), 55 states have return successors, (212), 13 states have call predecessors, (212), 13 states have call successors, (212) [2023-04-01 22:52:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3021 transitions. [2023-04-01 22:52:22,466 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3021 transitions. Word has length 280 [2023-04-01 22:52:22,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:22,466 INFO L495 AbstractCegarLoop]: Abstraction has 2276 states and 3021 transitions. [2023-04-01 22:52:22,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:52:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3021 transitions. [2023-04-01 22:52:22,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-04-01 22:52:22,474 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:22,474 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:52:22,481 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 22:52:22,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 22:52:22,681 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:22,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:22,681 INFO L85 PathProgramCache]: Analyzing trace with hash 238693239, now seen corresponding path program 1 times [2023-04-01 22:52:22,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:22,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712830193] [2023-04-01 22:52:22,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:22,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:23,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-01 22:52:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 173 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:52:23,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:23,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712830193] [2023-04-01 22:52:23,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712830193] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:23,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230280108] [2023-04-01 22:52:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:23,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:23,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:23,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:23,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 22:52:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:23,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:52:23,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-04-01 22:52:24,269 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:52:24,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230280108] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:24,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:52:24,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-04-01 22:52:24,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834216343] [2023-04-01 22:52:24,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:24,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:52:24,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:24,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:52:24,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:52:24,272 INFO L87 Difference]: Start difference. First operand 2276 states and 3021 transitions. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:52:25,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:25,049 INFO L93 Difference]: Finished difference Result 4570 states and 6100 transitions. [2023-04-01 22:52:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:52:25,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 334 [2023-04-01 22:52:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:25,058 INFO L225 Difference]: With dead ends: 4570 [2023-04-01 22:52:25,059 INFO L226 Difference]: Without dead ends: 2484 [2023-04-01 22:52:25,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:52:25,064 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 341 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:25,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 53 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:52:25,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2023-04-01 22:52:25,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2023-04-01 22:52:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 2394 states have (on average 1.2485380116959064) internal successors, (2989), 2444 states have internal predecessors, (2989), 15 states have call successors, (15), 15 states have call predecessors, (15), 64 states have return successors, (243), 14 states have call predecessors, (243), 14 states have call successors, (243) [2023-04-01 22:52:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3247 transitions. [2023-04-01 22:52:25,135 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3247 transitions. Word has length 334 [2023-04-01 22:52:25,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:25,135 INFO L495 AbstractCegarLoop]: Abstraction has 2474 states and 3247 transitions. [2023-04-01 22:52:25,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:52:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3247 transitions. [2023-04-01 22:52:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-04-01 22:52:25,144 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:25,144 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:52:25,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:52:25,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:25,351 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:25,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:25,351 INFO L85 PathProgramCache]: Analyzing trace with hash 426060278, now seen corresponding path program 1 times [2023-04-01 22:52:25,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:25,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596493689] [2023-04-01 22:52:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:25,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-01 22:52:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-01 22:52:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 260 proven. 111 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-01 22:52:26,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:26,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596493689] [2023-04-01 22:52:26,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596493689] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:26,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737275439] [2023-04-01 22:52:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:26,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:26,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:26,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:26,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 22:52:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:26,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:52:26,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-04-01 22:52:26,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:52:26,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737275439] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:52:26,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:52:26,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-01 22:52:26,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866126557] [2023-04-01 22:52:26,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:52:26,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:52:26,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:26,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:52:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:52:26,938 INFO L87 Difference]: Start difference. First operand 2474 states and 3247 transitions. Second operand has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:52:27,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:27,804 INFO L93 Difference]: Finished difference Result 4596 states and 6142 transitions. [2023-04-01 22:52:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:52:27,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 407 [2023-04-01 22:52:27,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:27,815 INFO L225 Difference]: With dead ends: 4596 [2023-04-01 22:52:27,815 INFO L226 Difference]: Without dead ends: 2494 [2023-04-01 22:52:27,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:52:27,821 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 423 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:27,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 54 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:52:27,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2023-04-01 22:52:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2470. [2023-04-01 22:52:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2470 states, 2392 states have (on average 1.2387123745819397) internal successors, (2963), 2440 states have internal predecessors, (2963), 15 states have call successors, (15), 15 states have call predecessors, (15), 62 states have return successors, (217), 14 states have call predecessors, (217), 14 states have call successors, (217) [2023-04-01 22:52:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2470 states and 3195 transitions. [2023-04-01 22:52:27,890 INFO L78 Accepts]: Start accepts. Automaton has 2470 states and 3195 transitions. Word has length 407 [2023-04-01 22:52:27,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:27,891 INFO L495 AbstractCegarLoop]: Abstraction has 2470 states and 3195 transitions. [2023-04-01 22:52:27,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:52:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3195 transitions. [2023-04-01 22:52:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2023-04-01 22:52:27,899 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:27,899 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2023-04-01 22:52:27,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 22:52:28,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:28,107 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:28,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:28,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1890630173, now seen corresponding path program 1 times [2023-04-01 22:52:28,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:28,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100140880] [2023-04-01 22:52:28,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:28,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-01 22:52:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-01 22:52:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 220 proven. 239 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 22:52:29,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:29,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100140880] [2023-04-01 22:52:29,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100140880] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:29,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010081781] [2023-04-01 22:52:29,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:29,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:29,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:29,281 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:29,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 22:52:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:29,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-01 22:52:29,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 401 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-04-01 22:52:30,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:52:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 191 proven. 271 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 22:52:33,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010081781] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:52:33,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:52:33,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2023-04-01 22:52:33,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59366156] [2023-04-01 22:52:33,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:52:33,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-01 22:52:33,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:33,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-01 22:52:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2023-04-01 22:52:33,708 INFO L87 Difference]: Start difference. First operand 2470 states and 3195 transitions. Second operand has 22 states, 22 states have (on average 40.04545454545455) internal successors, (881), 21 states have internal predecessors, (881), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2023-04-01 22:52:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:37,965 INFO L93 Difference]: Finished difference Result 6202 states and 8414 transitions. [2023-04-01 22:52:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-01 22:52:37,966 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 40.04545454545455) internal successors, (881), 21 states have internal predecessors, (881), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) Word has length 418 [2023-04-01 22:52:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:37,981 INFO L225 Difference]: With dead ends: 6202 [2023-04-01 22:52:37,982 INFO L226 Difference]: Without dead ends: 3832 [2023-04-01 22:52:37,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 916 GetRequests, 859 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=779, Invalid=2527, Unknown=0, NotChecked=0, Total=3306 [2023-04-01 22:52:37,989 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 3258 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 3728 mSolverCounterSat, 1011 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 4739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1011 IncrementalHoareTripleChecker+Valid, 3728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:37,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3264 Valid, 164 Invalid, 4739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1011 Valid, 3728 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-01 22:52:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2023-04-01 22:52:38,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3572. [2023-04-01 22:52:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 3477 states have (on average 1.1150417026171988) internal successors, (3877), 3530 states have internal predecessors, (3877), 21 states have call successors, (21), 21 states have call predecessors, (21), 73 states have return successors, (255), 20 states have call predecessors, (255), 20 states have call successors, (255) [2023-04-01 22:52:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4153 transitions. [2023-04-01 22:52:38,128 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4153 transitions. Word has length 418 [2023-04-01 22:52:38,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:38,129 INFO L495 AbstractCegarLoop]: Abstraction has 3572 states and 4153 transitions. [2023-04-01 22:52:38,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 40.04545454545455) internal successors, (881), 21 states have internal predecessors, (881), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2023-04-01 22:52:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4153 transitions. [2023-04-01 22:52:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2023-04-01 22:52:38,144 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:38,145 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 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] [2023-04-01 22:52:38,154 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 22:52:38,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:38,352 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:38,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:38,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2049356609, now seen corresponding path program 1 times [2023-04-01 22:52:38,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:38,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11369119] [2023-04-01 22:52:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:38,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:52:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:52:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-04-01 22:52:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2023-04-01 22:52:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 541 proven. 247 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2023-04-01 22:52:39,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:39,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11369119] [2023-04-01 22:52:39,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11369119] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:39,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732842621] [2023-04-01 22:52:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:39,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:39,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:39,551 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:39,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 22:52:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:39,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:52:39,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 1087 proven. 2 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-04-01 22:52:40,203 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:52:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 546 proven. 243 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-04-01 22:52:42,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732842621] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:52:42,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:52:42,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2023-04-01 22:52:42,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209948677] [2023-04-01 22:52:42,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:52:42,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:52:42,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:42,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:52:42,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:52:42,192 INFO L87 Difference]: Start difference. First operand 3572 states and 4153 transitions. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 12 states have internal predecessors, (714), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:52:45,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:45,721 INFO L93 Difference]: Finished difference Result 8268 states and 9745 transitions. [2023-04-01 22:52:45,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-04-01 22:52:45,722 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 12 states have internal predecessors, (714), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 686 [2023-04-01 22:52:45,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:45,740 INFO L225 Difference]: With dead ends: 8268 [2023-04-01 22:52:45,740 INFO L226 Difference]: Without dead ends: 4886 [2023-04-01 22:52:45,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1472 GetRequests, 1415 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=597, Invalid=2709, Unknown=0, NotChecked=0, Total=3306 [2023-04-01 22:52:45,749 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 3327 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 3326 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 3326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:45,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3327 Valid, 149 Invalid, 3939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 3326 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-01 22:52:45,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4886 states. [2023-04-01 22:52:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4886 to 4694. [2023-04-01 22:52:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4694 states, 4572 states have (on average 1.0988626421697287) internal successors, (5024), 4640 states have internal predecessors, (5024), 27 states have call successors, (27), 27 states have call predecessors, (27), 94 states have return successors, (324), 26 states have call predecessors, (324), 26 states have call successors, (324) [2023-04-01 22:52:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 5375 transitions. [2023-04-01 22:52:45,880 INFO L78 Accepts]: Start accepts. Automaton has 4694 states and 5375 transitions. Word has length 686 [2023-04-01 22:52:45,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:45,880 INFO L495 AbstractCegarLoop]: Abstraction has 4694 states and 5375 transitions. [2023-04-01 22:52:45,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 12 states have internal predecessors, (714), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:52:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5375 transitions. [2023-04-01 22:52:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2023-04-01 22:52:45,903 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:45,903 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-01 22:52:45,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:52:46,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:46,112 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:46,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:46,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1254128506, now seen corresponding path program 1 times [2023-04-01 22:52:46,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:46,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62380527] [2023-04-01 22:52:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:52:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:52:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:52:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-04-01 22:52:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 469 proven. 599 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2023-04-01 22:52:47,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62380527] [2023-04-01 22:52:47,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62380527] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199321856] [2023-04-01 22:52:47,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:47,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:47,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:47,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:47,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 22:52:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:47,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:52:47,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1066 proven. 2 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2023-04-01 22:52:47,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:52:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 657 proven. 112 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-04-01 22:52:48,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199321856] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:52:48,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:52:48,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 12 [2023-04-01 22:52:48,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797410629] [2023-04-01 22:52:48,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:52:48,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:52:48,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:48,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:52:48,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:52:48,723 INFO L87 Difference]: Start difference. First operand 4694 states and 5375 transitions. Second operand has 12 states, 12 states have (on average 54.75) internal successors, (657), 10 states have internal predecessors, (657), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:52:50,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:50,478 INFO L93 Difference]: Finished difference Result 11238 states and 12829 transitions. [2023-04-01 22:52:50,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:52:50,479 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 54.75) internal successors, (657), 10 states have internal predecessors, (657), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 715 [2023-04-01 22:52:50,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:50,499 INFO L225 Difference]: With dead ends: 11238 [2023-04-01 22:52:50,500 INFO L226 Difference]: Without dead ends: 6734 [2023-04-01 22:52:50,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1479 GetRequests, 1453 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2023-04-01 22:52:50,511 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 2029 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:50,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 52 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:52:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6734 states. [2023-04-01 22:52:50,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6734 to 4694. [2023-04-01 22:52:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4694 states, 4572 states have (on average 1.0975503062117236) internal successors, (5018), 4640 states have internal predecessors, (5018), 27 states have call successors, (27), 27 states have call predecessors, (27), 94 states have return successors, (320), 26 states have call predecessors, (320), 26 states have call successors, (320) [2023-04-01 22:52:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 5365 transitions. [2023-04-01 22:52:50,646 INFO L78 Accepts]: Start accepts. Automaton has 4694 states and 5365 transitions. Word has length 715 [2023-04-01 22:52:50,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:50,647 INFO L495 AbstractCegarLoop]: Abstraction has 4694 states and 5365 transitions. [2023-04-01 22:52:50,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 54.75) internal successors, (657), 10 states have internal predecessors, (657), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:52:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5365 transitions. [2023-04-01 22:52:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2023-04-01 22:52:50,658 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:50,658 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:52:50,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-01 22:52:50,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:50,865 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:50,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:50,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1374637217, now seen corresponding path program 1 times [2023-04-01 22:52:50,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:50,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225867289] [2023-04-01 22:52:50,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:50,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:52:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:52:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:52:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-04-01 22:52:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 835 proven. 14 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-04-01 22:52:52,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:52,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225867289] [2023-04-01 22:52:52,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225867289] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:52,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128623994] [2023-04-01 22:52:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:52,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:52,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:52,309 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:52,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 22:52:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:52,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-01 22:52:52,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 842 proven. 2 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2023-04-01 22:52:53,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:52:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 842 proven. 2 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2023-04-01 22:52:54,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128623994] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:52:54,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:52:54,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2023-04-01 22:52:54,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117770830] [2023-04-01 22:52:54,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:52:54,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:52:54,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:54,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:52:54,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:52:54,211 INFO L87 Difference]: Start difference. First operand 4694 states and 5365 transitions. Second operand has 14 states, 14 states have (on average 39.92857142857143) internal successors, (559), 12 states have internal predecessors, (559), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 22:52:56,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:52:56,826 INFO L93 Difference]: Finished difference Result 9210 states and 10549 transitions. [2023-04-01 22:52:56,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-01 22:52:56,826 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 39.92857142857143) internal successors, (559), 12 states have internal predecessors, (559), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 782 [2023-04-01 22:52:56,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:52:56,837 INFO L225 Difference]: With dead ends: 9210 [2023-04-01 22:52:56,837 INFO L226 Difference]: Without dead ends: 4706 [2023-04-01 22:52:56,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1650 GetRequests, 1601 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=565, Invalid=1985, Unknown=0, NotChecked=0, Total=2550 [2023-04-01 22:52:56,843 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 4163 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4163 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:52:56,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4163 Valid, 102 Invalid, 2864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [847 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 22:52:56,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4706 states. [2023-04-01 22:52:56,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4706 to 4694. [2023-04-01 22:52:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4694 states, 4572 states have (on average 1.0892388451443569) internal successors, (4980), 4640 states have internal predecessors, (4980), 27 states have call successors, (27), 27 states have call predecessors, (27), 94 states have return successors, (284), 26 states have call predecessors, (284), 26 states have call successors, (284) [2023-04-01 22:52:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 5291 transitions. [2023-04-01 22:52:56,943 INFO L78 Accepts]: Start accepts. Automaton has 4694 states and 5291 transitions. Word has length 782 [2023-04-01 22:52:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:52:56,944 INFO L495 AbstractCegarLoop]: Abstraction has 4694 states and 5291 transitions. [2023-04-01 22:52:56,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 39.92857142857143) internal successors, (559), 12 states have internal predecessors, (559), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 22:52:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5291 transitions. [2023-04-01 22:52:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2023-04-01 22:52:56,956 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:52:56,956 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 22:52:56,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-01 22:52:57,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-01 22:52:57,163 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:52:57,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:52:57,164 INFO L85 PathProgramCache]: Analyzing trace with hash 2095513722, now seen corresponding path program 1 times [2023-04-01 22:52:57,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:52:57,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179634385] [2023-04-01 22:52:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:52:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:52:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:52:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:52:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:52:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:52:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-04-01 22:52:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-04-01 22:52:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2001 backedges. 981 proven. 2 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2023-04-01 22:52:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:52:57,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179634385] [2023-04-01 22:52:57,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179634385] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:52:57,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908686986] [2023-04-01 22:52:57,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:52:57,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:52:57,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:52:57,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:52:57,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-01 22:52:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:52:58,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:52:58,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:52:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2001 backedges. 986 proven. 2 refuted. 0 times theorem prover too weak. 1013 trivial. 0 not checked. [2023-04-01 22:52:58,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:52:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2001 backedges. 986 proven. 2 refuted. 0 times theorem prover too weak. 1013 trivial. 0 not checked. [2023-04-01 22:52:58,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908686986] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:52:58,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:52:58,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2023-04-01 22:52:58,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302447343] [2023-04-01 22:52:58,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:52:58,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 22:52:58,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:52:58,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 22:52:58,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:52:58,747 INFO L87 Difference]: Start difference. First operand 4694 states and 5291 transitions. Second operand has 10 states, 10 states have (on average 70.0) internal successors, (700), 8 states have internal predecessors, (700), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:53:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:00,354 INFO L93 Difference]: Finished difference Result 10858 states and 12259 transitions. [2023-04-01 22:53:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 22:53:00,354 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 70.0) internal successors, (700), 8 states have internal predecessors, (700), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 861 [2023-04-01 22:53:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:00,355 INFO L225 Difference]: With dead ends: 10858 [2023-04-01 22:53:00,355 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:53:00,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1759 GetRequests, 1738 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-04-01 22:53:00,372 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 1018 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 2184 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 2184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:00,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 76 Invalid, 2365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 2184 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:53:00,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:53:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:53:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 22:53:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:53:00,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 861 [2023-04-01 22:53:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:00,373 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:53:00,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 70.0) internal successors, (700), 8 states have internal predecessors, (700), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:53:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:53:00,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:53:00,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:53:00,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-04-01 22:53:00,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 22:53:00,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:53:07,203 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:53:07,203 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:53:07,203 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:53:07,203 INFO L899 garLoopResultBuilder]: For program point L898-1(line 898) no Hoare annotation was computed. [2023-04-01 22:53:07,203 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-01 22:53:07,203 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:53:07,203 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 10))) (.cse2 (not (= 5 ~a15~0))) (.cse0 (= ~a24~0 1)) (.cse6 (< ~a12~0 81)) (.cse3 (<= 8 ~a21~0)) (.cse4 (<= ~a15~0 8)) (.cse5 (<= ~a21~0 6))) (or (and .cse0 .cse1 (<= 81 ~a12~0) .cse2) (< |old(~a21~0)| 7) (and .cse0 (not (= ~a21~0 9)) .cse1 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse4 .cse6 (< 11 ~a12~0)) (and .cse0 .cse4 .cse2) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and .cse0 .cse4 .cse6 .cse3) (and .cse4 .cse5 (<= (+ 49 ~a12~0) 0)) (< 8 |old(~a15~0)|) (< 7 |old(~a21~0)|) (< |old(~a15~0)| 8))) [2023-04-01 22:53:07,203 INFO L899 garLoopResultBuilder]: For program point L890-3(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 884 900) the Hoare annotation is: (or (and (= ~a24~0 1) (<= 7 ~a21~0) (<= ~a21~0 7) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 8)) (< |old(~a21~0)| 7) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (< 8 |old(~a15~0)|) (< 7 |old(~a21~0)|) (< |old(~a15~0)| 8)) [2023-04-01 22:53:07,204 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 10))) (.cse2 (not (= 5 ~a15~0))) (.cse0 (= ~a24~0 1)) (.cse6 (< ~a12~0 81)) (.cse3 (<= 8 ~a21~0)) (.cse4 (<= ~a15~0 8)) (.cse5 (<= ~a21~0 6))) (or (and .cse0 .cse1 (<= 81 ~a12~0) .cse2) (< |old(~a21~0)| 7) (and .cse0 (not (= ~a21~0 9)) .cse1 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse4 .cse6 (< 11 ~a12~0)) (and .cse0 .cse4 .cse2) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and .cse0 .cse4 .cse6 .cse3) (and .cse4 .cse5 (<= (+ 49 ~a12~0) 0)) (< 8 |old(~a15~0)|) (< 7 |old(~a21~0)|) (< |old(~a15~0)| 8))) [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~a21~0 |old(~a21~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a15~0 |old(~a15~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,204 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:53:07,205 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:53:07,206 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-04-01 22:53:07,206 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-04-01 22:53:07,206 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,207 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:53:07,208 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-04-01 22:53:07,209 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-04-01 22:53:07,210 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,211 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-04-01 22:53:07,212 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:53:07,213 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-04-01 22:53:07,214 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:53:07,215 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-04-01 22:53:07,216 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-04-01 22:53:07,217 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:53:07,218 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 882) the Hoare annotation is: (let ((.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse14 (= ~a24~0 1)) (.cse10 (= ~a15~0 |old(~a15~0)|)) (.cse11 (= ~a12~0 |old(~a12~0)|))) (let ((.cse0 (< |old(~a21~0)| 7)) (.cse4 (and .cse14 (<= 7 ~a21~0) .cse10 (<= ~a21~0 7) .cse11)) (.cse5 (< 7 |old(~a21~0)|)) (.cse7 (< 6 |old(~a21~0)|)) (.cse2 (<= 81 |old(~a12~0)|)) (.cse3 (< 8 |old(~a15~0)|)) (.cse12 (< |old(~a21~0)| 8)) (.cse8 (and .cse9 .cse14 .cse10 .cse11)) (.cse6 (= 5 |old(~a15~0)|)) (.cse13 (= 10 |old(~a15~0)|)) (.cse1 (not (= |old(~a24~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |old(~a12~0)| 11)) (or .cse0 .cse6 .cse1 .cse3 .cse4 .cse5) (or .cse7 .cse8 .cse1 .cse3) (or .cse7 (< 0 (+ 49 |old(~a12~0)|)) (and .cse9 .cse10 .cse11 (= ~a24~0 |old(~a24~0)|)) .cse3) (or .cse8 .cse12 .cse1 .cse2 .cse3) (or .cse8 .cse12 (= 9 |old(~a21~0)|) .cse13 .cse1) (or .cse8 .cse6 .cse13 .cse1 (< |old(~a12~0)| 81))))) [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:53:07,219 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:53:07,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:53:07,224 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a24~0 1) (<= 7 ~a21~0) (<= ~a21~0 7) (<= (+ 49 ~a12~0) 0) (= ~a15~0 8)) [2023-04-01 22:53:07,225 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:53:07,225 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:53:07,228 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:07,233 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:53:07,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:53:07 BoogieIcfgContainer [2023-04-01 22:53:07,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:53:07,248 INFO L158 Benchmark]: Toolchain (without parser) took 58362.64ms. Allocated memory was 181.4MB in the beginning and 713.0MB in the end (delta: 531.6MB). Free memory was 130.4MB in the beginning and 644.4MB in the end (delta: -514.0MB). Peak memory consumption was 425.7MB. Max. memory is 8.0GB. [2023-04-01 22:53:07,248 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:53:07,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.52ms. Allocated memory is still 181.4MB. Free memory was 130.1MB in the beginning and 97.2MB in the end (delta: 32.9MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-04-01 22:53:07,249 INFO L158 Benchmark]: Boogie Preprocessor took 125.03ms. Allocated memory is still 181.4MB. Free memory was 97.2MB in the beginning and 92.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 22:53:07,249 INFO L158 Benchmark]: RCFGBuilder took 1330.10ms. Allocated memory was 181.4MB in the beginning and 260.0MB in the end (delta: 78.6MB). Free memory was 92.0MB in the beginning and 127.8MB in the end (delta: -35.9MB). Peak memory consumption was 45.9MB. Max. memory is 8.0GB. [2023-04-01 22:53:07,250 INFO L158 Benchmark]: TraceAbstraction took 56332.46ms. Allocated memory was 260.0MB in the beginning and 713.0MB in the end (delta: 453.0MB). Free memory was 126.8MB in the beginning and 644.4MB in the end (delta: -517.6MB). Peak memory consumption was 343.1MB. Max. memory is 8.0GB. [2023-04-01 22:53:07,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 566.52ms. Allocated memory is still 181.4MB. Free memory was 130.1MB in the beginning and 97.2MB in the end (delta: 32.9MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 125.03ms. Allocated memory is still 181.4MB. Free memory was 97.2MB in the beginning and 92.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1330.10ms. Allocated memory was 181.4MB in the beginning and 260.0MB in the end (delta: 78.6MB). Free memory was 92.0MB in the beginning and 127.8MB in the end (delta: -35.9MB). Peak memory consumption was 45.9MB. Max. memory is 8.0GB. * TraceAbstraction took 56332.46ms. Allocated memory was 260.0MB in the beginning and 713.0MB in the end (delta: 453.0MB). Free memory was 126.8MB in the beginning and 644.4MB in the end (delta: -517.6MB). Peak memory consumption was 343.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 203]: 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, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.3s, OverallIterations: 13, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 22.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18111 SdHoareTripleChecker+Valid, 17.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18101 mSDsluCounter, 1389 SdHoareTripleChecker+Invalid, 14.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 4203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20280 IncrementalHoareTripleChecker+Invalid, 24483 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4203 mSolverCounterUnsat, 723 mSDtfsCounter, 20280 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8631 GetRequests, 8337 SyntacticMatches, 5 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2841 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4694occurred in iteration=10, InterpolantAutomatonStates: 229, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 4096 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 214 PreInvPairs, 298 NumberOfFragments, 516 HoareAnnotationTreeSize, 214 FomulaSimplifications, 121387 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14153 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 9903 NumberOfCodeBlocks, 9903 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 13338 ConstructedInterpolants, 0 QuantifiedInterpolants, 46483 SizeOfPredicates, 21 NumberOfNonLiveVariables, 7119 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 27 InterpolantComputations, 8 PerfectInterpolantSequences, 21159/23077 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: 890]: Loop Invariant Derived loop invariant: ((((((((((((((a24 == 1 && !(a15 == 10)) && 81 <= a12) && !(5 == a15)) || \old(a21) < 7) || (((a24 == 1 && !(a21 == 9)) && !(a15 == 10)) && 8 <= a21)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && a12 < 81) && 11 < a12)) || ((a24 == 1 && a15 <= 8) && !(5 == a15))) || !(\old(a24) == 1)) || 0 < 49 + \old(a12)) || (((a24 == 1 && a15 <= 8) && a12 < 81) && 8 <= a21)) || ((a15 <= 8 && a21 <= 6) && 49 + a12 <= 0)) || 8 < \old(a15)) || 7 < \old(a21)) || \old(a15) < 8 RESULT: Ultimate proved your program to be correct! [2023-04-01 22:53:07,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...