/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:53:36,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:53:36,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:53:36,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:53:36,738 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 22:53:36,768 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:53:36,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:53:36,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:53:36,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:53:36,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:53:36,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:53:36,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:53:36,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:53:36,772 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:53:36,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:53:36,773 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:53:36,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:53:36,774 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:53:36,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:53:36,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:53:36,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:53:36,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:53:36,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:53:36,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:53:36,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:53:36,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:53:36,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:53:36,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:53:36,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:53:36,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:53:36,775 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:53:36,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:53:36,776 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:53:36,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:53:36,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:53:36,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:53:36,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:53:36,983 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:53:36,983 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:53:36,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2023-04-01 22:53:38,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:53:38,265 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:53:38,265 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2023-04-01 22:53:38,274 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6408e6e35/b4435127c069459586ba4544a50bb123/FLAGdf53324cc [2023-04-01 22:53:38,286 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6408e6e35/b4435127c069459586ba4544a50bb123 [2023-04-01 22:53:38,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:53:38,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:53:38,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:53:38,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:53:38,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:53:38,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b48d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38, skipping insertion in model container [2023-04-01 22:53:38,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:53:38,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:53:38,471 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_label19.c[6323,6336] [2023-04-01 22:53:38,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:53:38,634 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:53:38,662 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_label19.c[6323,6336] [2023-04-01 22:53:38,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:53:38,797 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:53:38,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38 WrapperNode [2023-04-01 22:53:38,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:53:38,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:53:38,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:53:38,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:53:38,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:53:38,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:53:38,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:53:38,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:53:38,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (1/1) ... [2023-04-01 22:53:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:53:38,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:38,938 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 22:53:38,956 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 22:53:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:53:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:53:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:53:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:53:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:53:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:53:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:53:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:53:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:53:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:53:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:53:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:53:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:53:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:53:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:53:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:53:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:53:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:53:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:53:39,038 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:53:39,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:53:39,904 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:53:39,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:53:39,916 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:53:39,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:39 BoogieIcfgContainer [2023-04-01 22:53:39,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:53:39,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:53:39,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:53:39,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:53:39,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:53:38" (1/3) ... [2023-04-01 22:53:39,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e127c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:39, skipping insertion in model container [2023-04-01 22:53:39,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:38" (2/3) ... [2023-04-01 22:53:39,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e127c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:39, skipping insertion in model container [2023-04-01 22:53:39,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:39" (3/3) ... [2023-04-01 22:53:39,926 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label19.c [2023-04-01 22:53:39,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:53:39,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:53:39,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:53:39,985 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;@66775d25, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:53:39,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:53:39,989 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 22:53:39,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-04-01 22:53:39,996 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:39,996 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] [2023-04-01 22:53:39,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:40,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:40,001 INFO L85 PathProgramCache]: Analyzing trace with hash 974352129, now seen corresponding path program 1 times [2023-04-01 22:53:40,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:40,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028972821] [2023-04-01 22:53:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:40,480 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 22:53:40,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:40,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028972821] [2023-04-01 22:53:40,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028972821] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:40,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:53:40,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 22:53:40,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180003405] [2023-04-01 22:53:40,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:40,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:53:40,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:40,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:53:40,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:53:40,519 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 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 22:53:42,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:42,054 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2023-04-01 22:53:42,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:53:42,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 68 [2023-04-01 22:53:42,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:42,076 INFO L225 Difference]: With dead ends: 886 [2023-04-01 22:53:42,076 INFO L226 Difference]: Without dead ends: 564 [2023-04-01 22:53:42,083 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 22:53:42,087 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1193 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:42,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 31 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:53:42,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2023-04-01 22:53:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2023-04-01 22:53:42,151 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 22:53:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2023-04-01 22:53:42,153 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 68 [2023-04-01 22:53:42,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:42,154 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2023-04-01 22:53:42,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 22:53:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2023-04-01 22:53:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-01 22:53:42,158 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:42,159 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, 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 22:53:42,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:53:42,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:42,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:42,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2090083968, now seen corresponding path program 1 times [2023-04-01 22:53:42,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:42,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824476710] [2023-04-01 22:53:42,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:42,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:42,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:42,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824476710] [2023-04-01 22:53:42,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824476710] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:42,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:53:42,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:53:42,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821132469] [2023-04-01 22:53:42,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:42,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:53:42,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:42,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:53:42,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:53:42,516 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 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 22:53:43,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:43,548 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2023-04-01 22:53:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:53:43,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 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 142 [2023-04-01 22:53:43,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:43,555 INFO L225 Difference]: With dead ends: 1320 [2023-04-01 22:53:43,555 INFO L226 Difference]: Without dead ends: 768 [2023-04-01 22:53:43,561 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 22:53:43,564 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 957 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:43,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 55 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:53:43,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2023-04-01 22:53:43,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2023-04-01 22:53:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 550 states have (on average 1.449090909090909) internal successors, (797), 556 states have internal predecessors, (797), 5 states have call successors, (5), 5 states have call predecessors, (5), 10 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-01 22:53:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2023-04-01 22:53:43,612 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 142 [2023-04-01 22:53:43,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:43,616 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2023-04-01 22:53:43,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 5 states have internal predecessors, (136), 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 22:53:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2023-04-01 22:53:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-01 22:53:43,620 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:43,620 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, 1, 1, 1, 1, 1, 1, 1, 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 22:53:43,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:53:43,621 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:43,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:43,621 INFO L85 PathProgramCache]: Analyzing trace with hash -915653427, now seen corresponding path program 1 times [2023-04-01 22:53:43,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:43,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317460695] [2023-04-01 22:53:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:43,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:43,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:43,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317460695] [2023-04-01 22:53:43,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317460695] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:43,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008135539] [2023-04-01 22:53:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:43,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:43,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:44,007 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 22:53:44,008 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 22:53:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:44,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:53:44,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:44,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:44,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008135539] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:44,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:44,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 22:53:44,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976241767] [2023-04-01 22:53:44,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:44,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:53:44,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:44,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:53:44,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:53:44,259 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:53:44,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:44,712 INFO L93 Difference]: Finished difference Result 1676 states and 2459 transitions. [2023-04-01 22:53:44,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:53:44,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 151 [2023-04-01 22:53:44,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:44,716 INFO L225 Difference]: With dead ends: 1676 [2023-04-01 22:53:44,716 INFO L226 Difference]: Without dead ends: 1116 [2023-04-01 22:53:44,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:53:44,718 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 119 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:44,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 326 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 22:53:44,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2023-04-01 22:53:44,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 932. [2023-04-01 22:53:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 911 states have (on average 1.3567508232711307) internal successors, (1236), 918 states have internal predecessors, (1236), 7 states have call successors, (7), 7 states have call predecessors, (7), 13 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-01 22:53:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1275 transitions. [2023-04-01 22:53:44,767 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1275 transitions. Word has length 151 [2023-04-01 22:53:44,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:44,768 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1275 transitions. [2023-04-01 22:53:44,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:53:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1275 transitions. [2023-04-01 22:53:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-04-01 22:53:44,775 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:44,775 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:44,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 22:53:44,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:44,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:44,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash 774699091, now seen corresponding path program 1 times [2023-04-01 22:53:44,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:44,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786251460] [2023-04-01 22:53:44,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:44,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-01 22:53:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-04-01 22:53:45,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:45,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786251460] [2023-04-01 22:53:45,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786251460] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:45,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145747405] [2023-04-01 22:53:45,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:45,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:45,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:45,631 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 22:53:45,651 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 22:53:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:45,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:53:45,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-04-01 22:53:46,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:46,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145747405] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:46,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:46,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-04-01 22:53:46,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45514284] [2023-04-01 22:53:46,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:46,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:53:46,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:46,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:53:46,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:53:46,143 INFO L87 Difference]: Start difference. First operand 932 states and 1275 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 4 states have internal predecessors, (186), 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 22:53:46,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:46,829 INFO L93 Difference]: Finished difference Result 2246 states and 3054 transitions. [2023-04-01 22:53:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:53:46,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 4 states have internal predecessors, (186), 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 254 [2023-04-01 22:53:46,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:46,845 INFO L225 Difference]: With dead ends: 2246 [2023-04-01 22:53:46,845 INFO L226 Difference]: Without dead ends: 1320 [2023-04-01 22:53:46,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:53:46,847 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 340 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:46,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 54 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:53:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2023-04-01 22:53:46,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1318. [2023-04-01 22:53:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 1282 states have (on average 1.2769110764430578) internal successors, (1637), 1300 states have internal predecessors, (1637), 9 states have call successors, (9), 9 states have call predecessors, (9), 26 states have return successors, (63), 8 states have call predecessors, (63), 8 states have call successors, (63) [2023-04-01 22:53:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1709 transitions. [2023-04-01 22:53:46,910 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1709 transitions. Word has length 254 [2023-04-01 22:53:46,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:46,910 INFO L495 AbstractCegarLoop]: Abstraction has 1318 states and 1709 transitions. [2023-04-01 22:53:46,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 4 states have internal predecessors, (186), 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 22:53:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1709 transitions. [2023-04-01 22:53:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-04-01 22:53:46,928 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:46,928 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 22:53:46,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-01 22:53:47,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-01 22:53:47,134 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:47,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:47,134 INFO L85 PathProgramCache]: Analyzing trace with hash -309705645, now seen corresponding path program 1 times [2023-04-01 22:53:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:47,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298100905] [2023-04-01 22:53:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-01 22:53:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-01 22:53:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 257 proven. 73 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-01 22:53:47,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:47,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298100905] [2023-04-01 22:53:47,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298100905] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:47,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709322437] [2023-04-01 22:53:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:47,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:47,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:47,925 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 22:53:47,940 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 22:53:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:48,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:53:48,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-01 22:53:48,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:48,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709322437] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:48,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:48,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-01 22:53:48,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546809112] [2023-04-01 22:53:48,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:48,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:53:48,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:48,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:53:48,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:53:48,298 INFO L87 Difference]: Start difference. First operand 1318 states and 1709 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 4 states have internal predecessors, (186), 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 22:53:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:49,011 INFO L93 Difference]: Finished difference Result 2666 states and 3578 transitions. [2023-04-01 22:53:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:53:49,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 4 states have internal predecessors, (186), 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 327 [2023-04-01 22:53:49,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:49,016 INFO L225 Difference]: With dead ends: 2666 [2023-04-01 22:53:49,016 INFO L226 Difference]: Without dead ends: 1720 [2023-04-01 22:53:49,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 331 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 22:53:49,018 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 423 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:49,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 54 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:53:49,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2023-04-01 22:53:49,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1696. [2023-04-01 22:53:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1649 states have (on average 1.2261976955730747) internal successors, (2022), 1674 states have internal predecessors, (2022), 11 states have call successors, (11), 11 states have call predecessors, (11), 35 states have return successors, (96), 10 states have call predecessors, (96), 10 states have call successors, (96) [2023-04-01 22:53:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2129 transitions. [2023-04-01 22:53:49,080 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2129 transitions. Word has length 327 [2023-04-01 22:53:49,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:49,080 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2129 transitions. [2023-04-01 22:53:49,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 4 states have internal predecessors, (186), 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 22:53:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2129 transitions. [2023-04-01 22:53:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-04-01 22:53:49,084 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:49,084 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:49,100 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 22:53:49,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:49,289 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:49,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:49,290 INFO L85 PathProgramCache]: Analyzing trace with hash -719468386, now seen corresponding path program 1 times [2023-04-01 22:53:49,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:49,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835770088] [2023-04-01 22:53:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:49,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-01 22:53:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-01 22:53:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 217 proven. 191 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 22:53:50,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:50,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835770088] [2023-04-01 22:53:50,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835770088] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:50,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237041096] [2023-04-01 22:53:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:50,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:50,234 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 22:53:50,237 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 22:53:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:50,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-01 22:53:50,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 351 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-04-01 22:53:51,330 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:53:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 188 proven. 223 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 22:53:53,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237041096] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:53:53,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:53:53,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2023-04-01 22:53:53,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323918912] [2023-04-01 22:53:53,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:53:53,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-01 22:53:53,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:53,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-01 22:53:53,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2023-04-01 22:53:53,773 INFO L87 Difference]: Start difference. First operand 1696 states and 2129 transitions. Second operand has 22 states, 22 states have (on average 32.86363636363637) internal successors, (723), 21 states have internal predecessors, (723), 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 22:53:57,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:57,447 INFO L93 Difference]: Finished difference Result 4656 states and 6260 transitions. [2023-04-01 22:53:57,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-01 22:53:57,448 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 32.86363636363637) internal successors, (723), 21 states have internal predecessors, (723), 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 338 [2023-04-01 22:53:57,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:57,457 INFO L225 Difference]: With dead ends: 4656 [2023-04-01 22:53:57,457 INFO L226 Difference]: Without dead ends: 3250 [2023-04-01 22:53:57,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 699 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=779, Invalid=2527, Unknown=0, NotChecked=0, Total=3306 [2023-04-01 22:53:57,461 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 4466 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 3114 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4472 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 4380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 3114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:57,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4472 Valid, 129 Invalid, 4380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 3114 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-01 22:53:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2023-04-01 22:53:57,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3000. [2023-04-01 22:53:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2924 states have (on average 1.1166210670314638) internal successors, (3265), 2964 states have internal predecessors, (3265), 18 states have call successors, (18), 18 states have call predecessors, (18), 57 states have return successors, (175), 17 states have call predecessors, (175), 17 states have call successors, (175) [2023-04-01 22:53:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 3458 transitions. [2023-04-01 22:53:57,526 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 3458 transitions. Word has length 338 [2023-04-01 22:53:57,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:57,528 INFO L495 AbstractCegarLoop]: Abstraction has 3000 states and 3458 transitions. [2023-04-01 22:53:57,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 32.86363636363637) internal successors, (723), 21 states have internal predecessors, (723), 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 22:53:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3458 transitions. [2023-04-01 22:53:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2023-04-01 22:53:57,534 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:57,534 INFO L195 NwaCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:57,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-01 22:53:57,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:57,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:57,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:57,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2142018394, now seen corresponding path program 1 times [2023-04-01 22:53:57,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:57,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729754605] [2023-04-01 22:53:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:57,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-01 22:53:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-01 22:53:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-04-01 22:53:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 325 proven. 146 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-04-01 22:53:58,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:58,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729754605] [2023-04-01 22:53:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729754605] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:58,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513417184] [2023-04-01 22:53:58,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:58,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:58,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:58,150 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 22:53:58,151 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 22:53:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:58,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:53:58,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 527 proven. 2 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-01 22:53:58,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:53:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 326 proven. 148 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-04-01 22:53:58,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513417184] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:53:58,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:53:58,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:53:58,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79458021] [2023-04-01 22:53:58,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:53:58,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:53:58,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:58,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:53:58,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:53:58,604 INFO L87 Difference]: Start difference. First operand 3000 states and 3458 transitions. Second operand has 12 states, 12 states have (on average 37.916666666666664) internal successors, (455), 10 states have internal predecessors, (455), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 22:54:00,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:00,170 INFO L93 Difference]: Finished difference Result 8226 states and 9943 transitions. [2023-04-01 22:54:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-01 22:54:00,171 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 37.916666666666664) internal successors, (455), 10 states have internal predecessors, (455), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 439 [2023-04-01 22:54:00,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:00,185 INFO L225 Difference]: With dead ends: 8226 [2023-04-01 22:54:00,185 INFO L226 Difference]: Without dead ends: 5416 [2023-04-01 22:54:00,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 924 GetRequests, 897 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2023-04-01 22:54:00,189 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 1809 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 2135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:00,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 83 Invalid, 2135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:54:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2023-04-01 22:54:00,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5414. [2023-04-01 22:54:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5414 states, 5288 states have (on average 1.1180030257186082) internal successors, (5912), 5352 states have internal predecessors, (5912), 31 states have call successors, (31), 31 states have call predecessors, (31), 94 states have return successors, (426), 30 states have call predecessors, (426), 30 states have call successors, (426) [2023-04-01 22:54:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5414 states to 5414 states and 6369 transitions. [2023-04-01 22:54:00,303 INFO L78 Accepts]: Start accepts. Automaton has 5414 states and 6369 transitions. Word has length 439 [2023-04-01 22:54:00,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:00,303 INFO L495 AbstractCegarLoop]: Abstraction has 5414 states and 6369 transitions. [2023-04-01 22:54:00,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 37.916666666666664) internal successors, (455), 10 states have internal predecessors, (455), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 22:54:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 5414 states and 6369 transitions. [2023-04-01 22:54:00,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2023-04-01 22:54:00,312 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:00,313 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:00,320 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 22:54:00,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:00,518 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:00,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:00,519 INFO L85 PathProgramCache]: Analyzing trace with hash 974216899, now seen corresponding path program 1 times [2023-04-01 22:54:00,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:00,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625272216] [2023-04-01 22:54:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:00,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:54:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-04-01 22:54:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 464 proven. 411 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2023-04-01 22:54:01,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:01,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625272216] [2023-04-01 22:54:01,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625272216] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:01,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268039746] [2023-04-01 22:54:01,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:01,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:01,511 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 22:54:01,513 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 22:54:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:54:01,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 874 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2023-04-01 22:54:01,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 652 proven. 74 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2023-04-01 22:54:02,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268039746] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:02,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:02,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 12 [2023-04-01 22:54:02,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765693767] [2023-04-01 22:54:02,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:02,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:54:02,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:02,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:54:02,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:54:02,479 INFO L87 Difference]: Start difference. First operand 5414 states and 6369 transitions. Second operand has 12 states, 12 states have (on average 48.166666666666664) internal successors, (578), 10 states have internal predecessors, (578), 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 22:54:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:03,917 INFO L93 Difference]: Finished difference Result 12864 states and 15207 transitions. [2023-04-01 22:54:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:54:03,917 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 48.166666666666664) internal successors, (578), 10 states have internal predecessors, (578), 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 635 [2023-04-01 22:54:03,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:03,938 INFO L225 Difference]: With dead ends: 12864 [2023-04-01 22:54:03,938 INFO L226 Difference]: Without dead ends: 7640 [2023-04-01 22:54:03,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1319 GetRequests, 1293 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2023-04-01 22:54:03,947 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1917 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:03,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 51 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:54:03,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7640 states. [2023-04-01 22:54:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7640 to 6514. [2023-04-01 22:54:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6514 states, 6372 states have (on average 1.1081293157564345) internal successors, (7061), 6440 states have internal predecessors, (7061), 37 states have call successors, (37), 37 states have call predecessors, (37), 104 states have return successors, (462), 36 states have call predecessors, (462), 36 states have call successors, (462) [2023-04-01 22:54:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6514 states to 6514 states and 7560 transitions. [2023-04-01 22:54:04,073 INFO L78 Accepts]: Start accepts. Automaton has 6514 states and 7560 transitions. Word has length 635 [2023-04-01 22:54:04,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:04,074 INFO L495 AbstractCegarLoop]: Abstraction has 6514 states and 7560 transitions. [2023-04-01 22:54:04,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 48.166666666666664) internal successors, (578), 10 states have internal predecessors, (578), 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 22:54:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 6514 states and 7560 transitions. [2023-04-01 22:54:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2023-04-01 22:54:04,087 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:04,087 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:04,095 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 22:54:04,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:04,294 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:04,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:04,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1227514909, now seen corresponding path program 1 times [2023-04-01 22:54:04,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:04,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585772274] [2023-04-01 22:54:04,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:04,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:54:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2023-04-01 22:54:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-04-01 22:54:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 783 proven. 85 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2023-04-01 22:54:05,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:05,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585772274] [2023-04-01 22:54:05,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585772274] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:05,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068098955] [2023-04-01 22:54:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:05,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:05,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:05,444 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 22:54:05,446 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 22:54:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:05,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:54:05,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 1084 proven. 2 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-04-01 22:54:05,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 793 proven. 74 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2023-04-01 22:54:07,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068098955] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:07,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:07,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2023-04-01 22:54:07,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437922191] [2023-04-01 22:54:07,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:07,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:54:07,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:54:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:54:07,630 INFO L87 Difference]: Start difference. First operand 6514 states and 7560 transitions. Second operand has 16 states, 16 states have (on average 36.625) internal successors, (586), 14 states have internal predecessors, (586), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:54:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:11,080 INFO L93 Difference]: Finished difference Result 12894 states and 15062 transitions. [2023-04-01 22:54:11,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-04-01 22:54:11,080 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 36.625) internal successors, (586), 14 states have internal predecessors, (586), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 708 [2023-04-01 22:54:11,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:11,094 INFO L225 Difference]: With dead ends: 12894 [2023-04-01 22:54:11,094 INFO L226 Difference]: Without dead ends: 5334 [2023-04-01 22:54:11,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1506 GetRequests, 1448 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=765, Invalid=2657, Unknown=0, NotChecked=0, Total=3422 [2023-04-01 22:54:11,107 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2758 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2763 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 3332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:11,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2763 Valid, 127 Invalid, 3332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 22:54:11,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2023-04-01 22:54:11,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 4476. [2023-04-01 22:54:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4476 states, 4374 states have (on average 1.0608139003200732) internal successors, (4640), 4424 states have internal predecessors, (4640), 26 states have call successors, (26), 26 states have call predecessors, (26), 75 states have return successors, (274), 25 states have call predecessors, (274), 25 states have call successors, (274) [2023-04-01 22:54:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 4940 transitions. [2023-04-01 22:54:11,208 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 4940 transitions. Word has length 708 [2023-04-01 22:54:11,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:11,209 INFO L495 AbstractCegarLoop]: Abstraction has 4476 states and 4940 transitions. [2023-04-01 22:54:11,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 36.625) internal successors, (586), 14 states have internal predecessors, (586), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:54:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 4940 transitions. [2023-04-01 22:54:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2023-04-01 22:54:11,215 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:11,216 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:11,236 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 22:54:11,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:11,436 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:11,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:11,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1166228342, now seen corresponding path program 1 times [2023-04-01 22:54:11,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:11,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134592360] [2023-04-01 22:54:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:11,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:54:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2023-04-01 22:54:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-04-01 22:54:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 738 proven. 17 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2023-04-01 22:54:12,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:12,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134592360] [2023-04-01 22:54:12,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134592360] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:12,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353274635] [2023-04-01 22:54:12,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:12,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:12,401 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 22:54:12,403 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 22:54:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:12,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:54:12,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:12,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1182 proven. 2 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-04-01 22:54:12,743 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 622 proven. 148 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2023-04-01 22:54:12,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353274635] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:12,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:12,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2023-04-01 22:54:12,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033343726] [2023-04-01 22:54:12,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:12,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:54:12,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:12,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:54:12,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:54:12,969 INFO L87 Difference]: Start difference. First operand 4476 states and 4940 transitions. Second operand has 14 states, 14 states have (on average 42.214285714285715) internal successors, (591), 12 states have internal predecessors, (591), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:54:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:15,989 INFO L93 Difference]: Finished difference Result 9316 states and 10327 transitions. [2023-04-01 22:54:15,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-04-01 22:54:15,990 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 42.214285714285715) internal successors, (591), 12 states have internal predecessors, (591), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 733 [2023-04-01 22:54:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:16,015 INFO L225 Difference]: With dead ends: 9316 [2023-04-01 22:54:16,015 INFO L226 Difference]: Without dead ends: 5030 [2023-04-01 22:54:16,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1581 GetRequests, 1514 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=736, Invalid=3686, Unknown=0, NotChecked=0, Total=4422 [2023-04-01 22:54:16,020 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 4786 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:16,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4786 Valid, 225 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 22:54:16,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5030 states. [2023-04-01 22:54:16,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5030 to 4838. [2023-04-01 22:54:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4838 states, 4733 states have (on average 1.0483836889921825) internal successors, (4962), 4782 states have internal predecessors, (4962), 28 states have call successors, (28), 28 states have call predecessors, (28), 76 states have return successors, (239), 27 states have call predecessors, (239), 27 states have call successors, (239) [2023-04-01 22:54:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4838 states to 4838 states and 5229 transitions. [2023-04-01 22:54:16,098 INFO L78 Accepts]: Start accepts. Automaton has 4838 states and 5229 transitions. Word has length 733 [2023-04-01 22:54:16,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:16,098 INFO L495 AbstractCegarLoop]: Abstraction has 4838 states and 5229 transitions. [2023-04-01 22:54:16,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 42.214285714285715) internal successors, (591), 12 states have internal predecessors, (591), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:54:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4838 states and 5229 transitions. [2023-04-01 22:54:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 922 [2023-04-01 22:54:16,106 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:16,106 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:54:16,120 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 22:54:16,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-01 22:54:16,313 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:16,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:16,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1222424331, now seen corresponding path program 1 times [2023-04-01 22:54:16,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:16,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213074772] [2023-04-01 22:54:16,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-04-01 22:54:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2023-04-01 22:54:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2023-04-01 22:54:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2023-04-01 22:54:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 438 proven. 7 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2023-04-01 22:54:17,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:17,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213074772] [2023-04-01 22:54:17,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213074772] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:17,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314904681] [2023-04-01 22:54:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:17,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:17,542 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 22:54:17,544 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 22:54:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:17,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:54:17,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2023-04-01 22:54:17,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:54:17,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314904681] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:54:17,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:54:17,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-04-01 22:54:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261931403] [2023-04-01 22:54:17,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:54:17,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:54:17,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:17,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:54:17,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:54:17,824 INFO L87 Difference]: Start difference. First operand 4838 states and 5229 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 22:54:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:18,190 INFO L93 Difference]: Finished difference Result 9486 states and 10268 transitions. [2023-04-01 22:54:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:54:18,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 921 [2023-04-01 22:54:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:18,199 INFO L225 Difference]: With dead ends: 9486 [2023-04-01 22:54:18,199 INFO L226 Difference]: Without dead ends: 4838 [2023-04-01 22:54:18,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:54:18,205 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 121 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:18,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 225 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:54:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4838 states. [2023-04-01 22:54:18,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4838 to 4474. [2023-04-01 22:54:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4474 states, 4373 states have (on average 1.0432197576034759) internal successors, (4562), 4422 states have internal predecessors, (4562), 26 states have call successors, (26), 26 states have call predecessors, (26), 74 states have return successors, (201), 25 states have call predecessors, (201), 25 states have call successors, (201) [2023-04-01 22:54:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 4474 states and 4789 transitions. [2023-04-01 22:54:18,277 INFO L78 Accepts]: Start accepts. Automaton has 4474 states and 4789 transitions. Word has length 921 [2023-04-01 22:54:18,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:18,278 INFO L495 AbstractCegarLoop]: Abstraction has 4474 states and 4789 transitions. [2023-04-01 22:54:18,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 22:54:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 4474 states and 4789 transitions. [2023-04-01 22:54:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 983 [2023-04-01 22:54:18,287 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:18,287 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:54:18,309 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 22:54:18,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:18,512 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:18,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:18,512 INFO L85 PathProgramCache]: Analyzing trace with hash -604233797, now seen corresponding path program 1 times [2023-04-01 22:54:18,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:18,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192444857] [2023-04-01 22:54:18,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:18,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-04-01 22:54:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2023-04-01 22:54:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2023-04-01 22:54:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2023-04-01 22:54:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2023-04-01 22:54:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3020 backedges. 994 proven. 113 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2023-04-01 22:54:20,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:20,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192444857] [2023-04-01 22:54:20,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192444857] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:20,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178903907] [2023-04-01 22:54:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:20,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:20,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:20,819 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:54:20,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-04-01 22:54:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:21,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:54:21,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3020 backedges. 1995 proven. 2 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2023-04-01 22:54:21,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3020 backedges. 869 proven. 400 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2023-04-01 22:54:22,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178903907] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:22,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:22,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2023-04-01 22:54:22,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803880678] [2023-04-01 22:54:22,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:22,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:54:22,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:22,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:54:22,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:54:22,537 INFO L87 Difference]: Start difference. First operand 4474 states and 4789 transitions. Second operand has 16 states, 16 states have (on average 50.875) internal successors, (814), 14 states have internal predecessors, (814), 8 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2023-04-01 22:54:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:26,782 INFO L93 Difference]: Finished difference Result 10958 states and 11718 transitions. [2023-04-01 22:54:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-04-01 22:54:26,782 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 50.875) internal successors, (814), 14 states have internal predecessors, (814), 8 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 982 [2023-04-01 22:54:26,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:26,805 INFO L225 Difference]: With dead ends: 10958 [2023-04-01 22:54:26,805 INFO L226 Difference]: Without dead ends: 6674 [2023-04-01 22:54:26,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2080 GetRequests, 2018 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=568, Invalid=3214, Unknown=0, NotChecked=0, Total=3782 [2023-04-01 22:54:26,823 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 6213 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 8171 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6213 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 8526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 8171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:26,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6213 Valid, 269 Invalid, 8526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 8171 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-04-01 22:54:26,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2023-04-01 22:54:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5570. [2023-04-01 22:54:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5570 states, 5455 states have (on average 1.0306141154903758) internal successors, (5622), 5506 states have internal predecessors, (5622), 32 states have call successors, (32), 32 states have call predecessors, (32), 82 states have return successors, (187), 31 states have call predecessors, (187), 31 states have call successors, (187) [2023-04-01 22:54:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5570 states to 5570 states and 5841 transitions. [2023-04-01 22:54:26,911 INFO L78 Accepts]: Start accepts. Automaton has 5570 states and 5841 transitions. Word has length 982 [2023-04-01 22:54:26,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:26,912 INFO L495 AbstractCegarLoop]: Abstraction has 5570 states and 5841 transitions. [2023-04-01 22:54:26,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 50.875) internal successors, (814), 14 states have internal predecessors, (814), 8 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2023-04-01 22:54:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5570 states and 5841 transitions. [2023-04-01 22:54:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1038 [2023-04-01 22:54:26,923 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:26,924 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:54:26,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-04-01 22:54:27,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-01 22:54:27,131 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:27,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:27,131 INFO L85 PathProgramCache]: Analyzing trace with hash 94435116, now seen corresponding path program 1 times [2023-04-01 22:54:27,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:27,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009130613] [2023-04-01 22:54:27,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:27,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:28,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:54:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-04-01 22:54:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:29,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2023-04-01 22:54:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2023-04-01 22:54:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2023-04-01 22:54:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3229 backedges. 1379 proven. 553 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2023-04-01 22:54:29,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:29,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009130613] [2023-04-01 22:54:29,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009130613] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:29,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921178326] [2023-04-01 22:54:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:29,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:29,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:29,193 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:54:29,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-04-01 22:54:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:29,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 22:54:29,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3229 backedges. 2084 proven. 6 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2023-04-01 22:54:29,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3229 backedges. 1652 proven. 269 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2023-04-01 22:54:30,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921178326] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:30,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 8] total 25 [2023-04-01 22:54:30,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162357050] [2023-04-01 22:54:30,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:30,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-04-01 22:54:30,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:30,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-04-01 22:54:30,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2023-04-01 22:54:30,644 INFO L87 Difference]: Start difference. First operand 5570 states and 5841 transitions. Second operand has 25 states, 25 states have (on average 42.44) internal successors, (1061), 23 states have internal predecessors, (1061), 10 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2023-04-01 22:54:36,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:36,574 INFO L93 Difference]: Finished difference Result 12464 states and 13102 transitions. [2023-04-01 22:54:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-04-01 22:54:36,575 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 42.44) internal successors, (1061), 23 states have internal predecessors, (1061), 10 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 1037 [2023-04-01 22:54:36,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:36,600 INFO L225 Difference]: With dead ends: 12464 [2023-04-01 22:54:36,600 INFO L226 Difference]: Without dead ends: 6898 [2023-04-01 22:54:36,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2250 GetRequests, 2132 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4841 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1938, Invalid=12104, Unknown=0, NotChecked=0, Total=14042 [2023-04-01 22:54:36,608 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 7467 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 7239 mSolverCounterSat, 710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7467 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 7949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 710 IncrementalHoareTripleChecker+Valid, 7239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:36,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7467 Valid, 403 Invalid, 7949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [710 Valid, 7239 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-01 22:54:36,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6898 states. [2023-04-01 22:54:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6898 to 5940. [2023-04-01 22:54:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5818 states have (on average 1.026297696803025) internal successors, (5971), 5872 states have internal predecessors, (5971), 34 states have call successors, (34), 34 states have call predecessors, (34), 87 states have return successors, (179), 33 states have call predecessors, (179), 33 states have call successors, (179) [2023-04-01 22:54:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 6184 transitions. [2023-04-01 22:54:36,735 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 6184 transitions. Word has length 1037 [2023-04-01 22:54:36,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:36,736 INFO L495 AbstractCegarLoop]: Abstraction has 5940 states and 6184 transitions. [2023-04-01 22:54:36,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 42.44) internal successors, (1061), 23 states have internal predecessors, (1061), 10 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2023-04-01 22:54:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 6184 transitions. [2023-04-01 22:54:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1536 [2023-04-01 22:54:36,753 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:36,753 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 22:54:36,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-04-01 22:54:36,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 22:54:36,960 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:36,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:36,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1582331165, now seen corresponding path program 1 times [2023-04-01 22:54:36,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:36,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219052111] [2023-04-01 22:54:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:36,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:54:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-04-01 22:54:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2023-04-01 22:54:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2023-04-01 22:54:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-04-01 22:54:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2023-04-01 22:54:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2023-04-01 22:54:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2023-04-01 22:54:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2753 proven. 139 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2023-04-01 22:54:38,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:38,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219052111] [2023-04-01 22:54:38,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219052111] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:38,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137179409] [2023-04-01 22:54:38,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:38,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:38,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:38,772 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:54:38,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-04-01 22:54:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:39,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 22:54:39,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 6019 trivial. 0 not checked. [2023-04-01 22:54:39,212 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:54:39,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137179409] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:54:39,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:54:39,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2023-04-01 22:54:39,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196808788] [2023-04-01 22:54:39,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:54:39,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:54:39,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:39,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:54:39,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:54:39,214 INFO L87 Difference]: Start difference. First operand 5940 states and 6184 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 22:54:39,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:39,687 INFO L93 Difference]: Finished difference Result 13346 states and 13937 transitions. [2023-04-01 22:54:39,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:54:39,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 1535 [2023-04-01 22:54:39,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:39,706 INFO L225 Difference]: With dead ends: 13346 [2023-04-01 22:54:39,706 INFO L226 Difference]: Without dead ends: 6670 [2023-04-01 22:54:39,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1566 GetRequests, 1559 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:54:39,715 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 126 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:39,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 230 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 22:54:39,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6670 states. [2023-04-01 22:54:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6670 to 5756. [2023-04-01 22:54:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5756 states, 5637 states have (on average 1.0234167110164982) internal successors, (5769), 5690 states have internal predecessors, (5769), 33 states have call successors, (33), 33 states have call predecessors, (33), 85 states have return successors, (155), 32 states have call predecessors, (155), 32 states have call successors, (155) [2023-04-01 22:54:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 5957 transitions. [2023-04-01 22:54:39,807 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 5957 transitions. Word has length 1535 [2023-04-01 22:54:39,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:39,808 INFO L495 AbstractCegarLoop]: Abstraction has 5756 states and 5957 transitions. [2023-04-01 22:54:39,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 22:54:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 5957 transitions. [2023-04-01 22:54:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1672 [2023-04-01 22:54:39,826 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:39,827 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 22:54:39,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-04-01 22:54:40,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-04-01 22:54:40,055 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:40,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:40,056 INFO L85 PathProgramCache]: Analyzing trace with hash -713121353, now seen corresponding path program 1 times [2023-04-01 22:54:40,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:40,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411819573] [2023-04-01 22:54:40,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:40,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:42,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:54:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:42,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-04-01 22:54:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2023-04-01 22:54:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2023-04-01 22:54:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-04-01 22:54:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2023-04-01 22:54:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2023-04-01 22:54:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2023-04-01 22:54:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2023-04-01 22:54:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2023-04-01 22:54:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8732 backedges. 1572 proven. 382 refuted. 0 times theorem prover too weak. 6778 trivial. 0 not checked. [2023-04-01 22:54:43,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411819573] [2023-04-01 22:54:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411819573] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490336152] [2023-04-01 22:54:43,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:43,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:43,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:43,277 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:54:43,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-04-01 22:54:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:43,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 2274 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:54:43,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8732 backedges. 2745 proven. 130 refuted. 0 times theorem prover too weak. 5857 trivial. 0 not checked. [2023-04-01 22:54:44,034 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8732 backedges. 829 proven. 0 refuted. 0 times theorem prover too weak. 7903 trivial. 0 not checked. [2023-04-01 22:54:44,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490336152] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:44,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:54:44,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12, 8] total 18 [2023-04-01 22:54:44,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009864267] [2023-04-01 22:54:44,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:54:44,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:54:44,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:44,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:54:44,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:54:44,181 INFO L87 Difference]: Start difference. First operand 5756 states and 5957 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 22:54:44,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:44,504 INFO L93 Difference]: Finished difference Result 12048 states and 12468 transitions. [2023-04-01 22:54:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:54:44,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 1671 [2023-04-01 22:54:44,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:44,506 INFO L225 Difference]: With dead ends: 12048 [2023-04-01 22:54:44,506 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:54:44,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3392 GetRequests, 3376 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:54:44,516 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 131 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:44,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 214 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:54:44,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:54:44,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:54:44,517 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 22:54:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:54:44,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1671 [2023-04-01 22:54:44,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:44,517 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:54:44,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 22:54:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:54:44,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:54:44,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:54:44,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-04-01 22:54:44,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-04-01 22:54:44,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:55:00,068 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:55:00,068 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:55:00,068 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:55:00,068 INFO L899 garLoopResultBuilder]: For program point L898-1(line 898) no Hoare annotation was computed. [2023-04-01 22:55:00,068 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-01 22:55:00,068 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:55:00,068 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse15 (= ~a15~0 6)) (.cse20 (= 5 ~a15~0))) (let ((.cse0 (= ~a21~0 8)) (.cse18 (< ~a12~0 12)) (.cse7 (= 7 ~a21~0)) (.cse12 (< 80 ~a12~0)) (.cse13 (<= 12849 ~a12~0)) (.cse2 (< ~a12~0 600061)) (.cse8 (not (= ~a15~0 10))) (.cse9 (<= 8 ~a15~0)) (.cse6 (<= ~a21~0 7)) (.cse17 (< 0 (+ ~a12~0 43))) (.cse4 (not .cse20)) (.cse19 (<= 8 ~a21~0)) (.cse10 (<= 10 ~a21~0)) (.cse16 (<= ~a15~0 5)) (.cse11 (<= 9 ~a21~0)) (.cse1 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8)) (.cse14 (< ~a12~0 81)) (.cse5 (not .cse15))) (or (and .cse0 .cse1 (= ~a15~0 9) .cse2) (and .cse3 (or (not .cse1) .cse4) .cse5 .cse6 (<= (+ 49 ~a12~0) 0)) (and .cse1 .cse7 .cse2 .cse8 (<= 81 ~a12~0) .cse9) (not (= 7 |old(~a21~0)|)) (and .cse1 .cse2 .cse8 .cse10) (and .cse11 .cse1 .cse3 .cse12 .cse2 .cse4) (and .cse1 .cse13 .cse3 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse14 .cse15) (and .cse1 .cse14 .cse16 (or (not .cse7) .cse17)) (and .cse18 .cse1 .cse3 .cse19) (and .cse1 .cse20 (= ~a21~0 6)) (and .cse18 .cse1 .cse7 .cse3 .cse5 .cse4) (and .cse11 .cse1 .cse12 .cse2 .cse8 .cse9) (and .cse1 .cse13 .cse2 .cse8 .cse6 .cse9) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and (<= ~a12~0 73282) .cse1 .cse3 .cse6 .cse17 .cse4) (< 8 |old(~a15~0)|) (and .cse1 .cse14 .cse19 (= ~a15~0 8)) (and .cse1 .cse10 .cse16) (and .cse11 .cse1 .cse3 .cse14 .cse5) (< |old(~a15~0)| 8)))) [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L890-3(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 884 900) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and (= ~a24~0 1) (= 7 ~a21~0) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 8)) (< 0 (+ 49 |old(~a12~0)|)) (< 8 |old(~a15~0)|) (< |old(~a15~0)| 8)) [2023-04-01 22:55:00,069 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse15 (= ~a15~0 6)) (.cse20 (= 5 ~a15~0))) (let ((.cse0 (= ~a21~0 8)) (.cse18 (< ~a12~0 12)) (.cse7 (= 7 ~a21~0)) (.cse12 (< 80 ~a12~0)) (.cse13 (<= 12849 ~a12~0)) (.cse2 (< ~a12~0 600061)) (.cse8 (not (= ~a15~0 10))) (.cse9 (<= 8 ~a15~0)) (.cse6 (<= ~a21~0 7)) (.cse17 (< 0 (+ ~a12~0 43))) (.cse4 (not .cse20)) (.cse19 (<= 8 ~a21~0)) (.cse10 (<= 10 ~a21~0)) (.cse16 (<= ~a15~0 5)) (.cse11 (<= 9 ~a21~0)) (.cse1 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8)) (.cse14 (< ~a12~0 81)) (.cse5 (not .cse15))) (or (and .cse0 .cse1 (= ~a15~0 9) .cse2) (and .cse3 (or (not .cse1) .cse4) .cse5 .cse6 (<= (+ 49 ~a12~0) 0)) (and .cse1 .cse7 .cse2 .cse8 (<= 81 ~a12~0) .cse9) (not (= 7 |old(~a21~0)|)) (and .cse1 .cse2 .cse8 .cse10) (and .cse11 .cse1 .cse3 .cse12 .cse2 .cse4) (and .cse1 .cse13 .cse3 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse14 .cse15) (and .cse1 .cse14 .cse16 (or (not .cse7) .cse17)) (and .cse18 .cse1 .cse3 .cse19) (and .cse1 .cse20 (= ~a21~0 6)) (and .cse18 .cse1 .cse7 .cse3 .cse5 .cse4) (and .cse11 .cse1 .cse12 .cse2 .cse8 .cse9) (and .cse1 .cse13 .cse2 .cse8 .cse6 .cse9) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and (<= ~a12~0 73282) .cse1 .cse3 .cse6 .cse17 .cse4) (< 8 |old(~a15~0)|) (and .cse1 .cse14 .cse19 (= ~a15~0 8)) (and .cse1 .cse10 .cse16) (and .cse11 .cse1 .cse3 .cse14 .cse5) (< |old(~a15~0)| 8)))) [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:55:00,069 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 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-04-01 22:55:00,069 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-04-01 22:55:00,070 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-04-01 22:55:00,071 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-04-01 22:55:00,071 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-04-01 22:55:00,071 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,071 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,071 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,071 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-04-01 22:55:00,072 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:55:00,072 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:55:00,072 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:55:00,072 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-04-01 22:55:00,073 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,074 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,075 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-04-01 22:55:00,076 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:55:00,077 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:55:00,078 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:55:00,078 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-04-01 22:55:00,078 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-04-01 22:55:00,078 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-04-01 22:55:00,078 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,078 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,078 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-04-01 22:55:00,079 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:55:00,080 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,081 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-04-01 22:55:00,082 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,083 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,083 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,083 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-04-01 22:55:00,083 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:55:00,083 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:55:00,083 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:55:00,083 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:55:00,084 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-04-01 22:55:00,085 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-04-01 22:55:00,085 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,085 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-04-01 22:55:00,085 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-04-01 22:55:00,085 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-04-01 22:55:00,085 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,085 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,086 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-04-01 22:55:00,086 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-04-01 22:55:00,087 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:55:00,088 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 882) the Hoare annotation is: (let ((.cse18 (= |old(~a24~0)| 1)) (.cse16 (= ~a21~0 |old(~a21~0)|)) (.cse25 (<= (+ 43 |old(~a12~0)|) 0)) (.cse20 (= 5 |old(~a15~0)|)) (.cse19 (= 7 |old(~a21~0)|)) (.cse10 (= ~a24~0 1)) (.cse12 (= ~a15~0 |old(~a15~0)|)) (.cse13 (= ~a12~0 |old(~a12~0)|))) (let ((.cse15 (<= 12 |old(~a12~0)|)) (.cse23 (and .cse10 .cse12 .cse13 (<= 8 ~a21~0) (<= ~a21~0 8))) (.cse26 (<= |old(~a12~0)| 80)) (.cse21 (< |old(~a21~0)| 8)) (.cse22 (<= 9 |old(~a21~0)|)) (.cse5 (= 6 |old(~a15~0)|)) (.cse1 (< |old(~a21~0)| 10)) (.cse17 (< 7 |old(~a21~0)|)) (.cse24 (< |old(~a12~0)| 12849)) (.cse14 (and .cse25 .cse20 .cse19)) (.cse7 (<= 81 |old(~a12~0)|)) (.cse29 (< 5 |old(~a15~0)|)) (.cse0 (and .cse16 .cse10 .cse12 .cse13)) (.cse6 (< |old(~a21~0)| 9)) (.cse8 (< 8 |old(~a15~0)|)) (.cse9 (not .cse19)) (.cse2 (= 10 |old(~a15~0)|)) (.cse27 (< |old(~a15~0)| 8)) (.cse3 (not .cse18)) (.cse4 (<= 600061 |old(~a12~0)|)) (.cse11 (= 7 ~a21~0)) (.cse28 (= ~a21~0 8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse7 .cse8) (or .cse9 (and .cse10 .cse11 .cse12 .cse13) .cse5 .cse3 .cse14 .cse15 .cse8) (or .cse5 (< 0 (+ 49 |old(~a12~0)|)) (and .cse16 .cse12 .cse13 (= ~a24~0 |old(~a24~0)|)) .cse8 .cse17 (and .cse18 .cse19)) (or (and (or .cse20 .cse21 .cse5 .cse3 .cse15 .cse8 .cse22) (or (not (= 8 |old(~a15~0)|)) .cse20 .cse21 .cse3 .cse7 .cse8 .cse22)) .cse23) (or .cse20 .cse21 .cse5 .cse3 .cse23 .cse4 .cse8 .cse24 .cse22) (or .cse25 .cse0 .cse20 .cse3 (< 73282 |old(~a12~0)|) .cse8 .cse17) (or .cse0 .cse26 .cse2 .cse6 .cse3 .cse4 .cse27) (or .cse0 .cse26 .cse20 .cse6 .cse3 .cse4 .cse8) (or (not .cse20) (and .cse10 (= 5 ~a15~0) (= ~a21~0 6) .cse13) .cse3 (not (= 6 |old(~a21~0)|))) (or (and .cse28 .cse10 .cse13 (= ~a15~0 6)) .cse20 .cse21 .cse3 .cse7 .cse8 (not .cse5) .cse22) (or .cse25 .cse0 .cse20 .cse5 .cse3 .cse4 .cse8 .cse17) (or .cse0 .cse1 .cse3 .cse29) (or .cse0 .cse2 .cse3 .cse4 .cse17 .cse24 .cse27) (or .cse0 .cse3 .cse14 .cse7 .cse29) (or (< 11 |old(~a12~0)|) .cse0 .cse6 .cse3 .cse8) (let ((.cse30 (= 8 |old(~a21~0)|))) (or (and (or .cse9 .cse2 .cse3 .cse4 (< |old(~a12~0)| 81) .cse27) (or .cse3 .cse4 (not .cse30) (not (= 9 |old(~a15~0)|)))) (and .cse10 .cse11 .cse12 .cse13 .cse19) (and .cse28 .cse10 (= ~a15~0 9) .cse13 .cse30)))))) [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-04-01 22:55:00,089 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-04-01 22:55:00,090 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-04-01 22:55:00,090 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-04-01 22:55:00,090 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,090 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,090 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:55:00,091 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-04-01 22:55:00,091 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:55:00,091 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:55:00,091 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:55:00,091 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:55:00,091 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a24~0 1) (= 7 ~a21~0) (<= (+ 49 ~a12~0) 0) (= ~a15~0 8)) [2023-04-01 22:55:00,092 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:55:00,092 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:55:00,095 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:00,097 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:55:00,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:55:00 BoogieIcfgContainer [2023-04-01 22:55:00,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:55:00,127 INFO L158 Benchmark]: Toolchain (without parser) took 81837.60ms. Allocated memory was 219.2MB in the beginning and 1.0GB in the end (delta: 830.5MB). Free memory was 154.0MB in the beginning and 936.9MB in the end (delta: -782.9MB). Peak memory consumption was 625.3MB. Max. memory is 8.0GB. [2023-04-01 22:55:00,127 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 219.2MB. Free memory was 166.1MB in the beginning and 166.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:55:00,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.94ms. Allocated memory is still 219.2MB. Free memory was 154.0MB in the beginning and 120.9MB in the end (delta: 33.0MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-04-01 22:55:00,127 INFO L158 Benchmark]: Boogie Preprocessor took 89.63ms. Allocated memory is still 219.2MB. Free memory was 120.9MB in the beginning and 115.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 22:55:00,128 INFO L158 Benchmark]: RCFGBuilder took 1031.89ms. Allocated memory was 219.2MB in the beginning and 324.0MB in the end (delta: 104.9MB). Free memory was 115.7MB in the beginning and 220.4MB in the end (delta: -104.7MB). Peak memory consumption was 60.5MB. Max. memory is 8.0GB. [2023-04-01 22:55:00,128 INFO L158 Benchmark]: TraceAbstraction took 80204.43ms. Allocated memory was 324.0MB in the beginning and 1.0GB in the end (delta: 725.6MB). Free memory was 219.3MB in the beginning and 936.9MB in the end (delta: -717.6MB). Peak memory consumption was 584.8MB. Max. memory is 8.0GB. [2023-04-01 22:55:00,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 219.2MB. Free memory was 166.1MB in the beginning and 166.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 506.94ms. Allocated memory is still 219.2MB. Free memory was 154.0MB in the beginning and 120.9MB in the end (delta: 33.0MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.63ms. Allocated memory is still 219.2MB. Free memory was 120.9MB in the beginning and 115.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1031.89ms. Allocated memory was 219.2MB in the beginning and 324.0MB in the end (delta: 104.9MB). Free memory was 115.7MB in the beginning and 220.4MB in the end (delta: -104.7MB). Peak memory consumption was 60.5MB. Max. memory is 8.0GB. * TraceAbstraction took 80204.43ms. Allocated memory was 324.0MB in the beginning and 1.0GB in the end (delta: 725.6MB). Free memory was 219.3MB in the beginning and 936.9MB in the end (delta: -717.6MB). Peak memory consumption was 584.8MB. 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: 200]: 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: 80.1s, OverallIterations: 15, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 29.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32837 SdHoareTripleChecker+Valid, 19.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32826 mSDsluCounter, 2476 SdHoareTripleChecker+Invalid, 16.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1278 mSDsCounter, 4961 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33821 IncrementalHoareTripleChecker+Invalid, 38782 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4961 mSolverCounterUnsat, 1198 mSDtfsCounter, 33821 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17129 GetRequests, 16635 SyntacticMatches, 9 SemanticMatches, 485 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9645 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6514occurred in iteration=8, InterpolantAutomatonStates: 381, 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, 15 MinimizatonAttempts, 6186 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 322 PreInvPairs, 430 NumberOfFragments, 1346 HoareAnnotationTreeSize, 322 FomulaSimplifications, 707632 FormulaSimplificationTreeSizeReduction, 10.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 31452 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 27.8s InterpolantComputationTime, 19672 NumberOfCodeBlocks, 19672 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 26179 ConstructedInterpolants, 0 QuantifiedInterpolants, 67857 SizeOfPredicates, 19 NumberOfNonLiveVariables, 14252 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 36 InterpolantComputations, 8 PerfectInterpolantSequences, 78548/82152 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: (((((((((((((((((((((((a21 == 8 && a24 == 1) && a15 == 9) && a12 < 600061) || ((((a15 <= 8 && (!(a24 == 1) || !(5 == a15))) && !(a15 == 6)) && a21 <= 7) && 49 + a12 <= 0)) || (((((a24 == 1 && 7 == a21) && a12 < 600061) && !(a15 == 10)) && 81 <= a12) && 8 <= a15)) || !(7 == \old(a21))) || (((a24 == 1 && a12 < 600061) && !(a15 == 10)) && 10 <= a21)) || (((((9 <= a21 && a24 == 1) && a15 <= 8) && 80 < a12) && a12 < 600061) && !(5 == a15))) || (((((a24 == 1 && 12849 <= a12) && a15 <= 8) && a12 < 600061) && !(a15 == 6)) && !(5 == a15))) || (((a21 == 8 && a24 == 1) && a12 < 81) && a15 == 6)) || (((a24 == 1 && a12 < 81) && a15 <= 5) && (!(7 == a21) || 0 < a12 + 43))) || (((a12 < 12 && a24 == 1) && a15 <= 8) && 8 <= a21)) || ((a24 == 1 && 5 == a15) && a21 == 6)) || (((((a12 < 12 && a24 == 1) && 7 == a21) && a15 <= 8) && !(a15 == 6)) && !(5 == a15))) || (((((9 <= a21 && a24 == 1) && 80 < a12) && a12 < 600061) && !(a15 == 10)) && 8 <= a15)) || (((((a24 == 1 && 12849 <= a12) && a12 < 600061) && !(a15 == 10)) && a21 <= 7) && 8 <= a15)) || !(\old(a24) == 1)) || 0 < 49 + \old(a12)) || (((((a12 <= 73282 && a24 == 1) && a15 <= 8) && a21 <= 7) && 0 < a12 + 43) && !(5 == a15))) || 8 < \old(a15)) || (((a24 == 1 && a12 < 81) && 8 <= a21) && a15 == 8)) || ((a24 == 1 && 10 <= a21) && a15 <= 5)) || ((((9 <= a21 && a24 == 1) && a15 <= 8) && a12 < 81) && !(a15 == 6))) || \old(a15) < 8 RESULT: Ultimate proved your program to be correct! [2023-04-01 22:55:00,145 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...