/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/Problem11_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:18:49,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:18:49,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:18:49,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:18:49,514 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 22:18:49,540 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:18:49,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:18:49,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:18:49,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:18:49,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:18:49,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:18:49,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:18:49,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:18:49,542 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:18:49,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:18:49,542 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:18:49,543 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:18:49,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:18:49,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:18:49,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:18:49,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:18:49,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:18:49,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:18:49,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:18:49,545 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:18:49,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:18:49,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:18:49,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:18:49,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:18:49,799 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:18:49,799 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:18:49,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label40.c [2023-04-01 22:18:50,932 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:18:51,213 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:18:51,214 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label40.c [2023-04-01 22:18:51,229 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddb83bf4/1eba802149c9423d9c1e7a075a3a1489/FLAGb8b90ab8c [2023-04-01 22:18:51,503 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddb83bf4/1eba802149c9423d9c1e7a075a3a1489 [2023-04-01 22:18:51,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:18:51,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:18:51,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:18:51,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:18:51,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:18:51,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:18:51" (1/1) ... [2023-04-01 22:18:51,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5fd222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:51, skipping insertion in model container [2023-04-01 22:18:51,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:18:51" (1/1) ... [2023-04-01 22:18:51,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:18:51,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:18:51,796 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/Problem11_label40.c[6409,6422] [2023-04-01 22:18:52,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:18:52,040 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:18:52,063 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/Problem11_label40.c[6409,6422] [2023-04-01 22:18:52,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:18:52,221 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:18:52,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52 WrapperNode [2023-04-01 22:18:52,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:18:52,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:18:52,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:18:52,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:18:52,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:18:52,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:18:52,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:18:52,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:18:52,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (1/1) ... [2023-04-01 22:18:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:18:52,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:18:52,383 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 22:18:52,402 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 22:18:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:18:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:18:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:18:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:18:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:18:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:18:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:18:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:18:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:18:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:18:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:18:52,508 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:18:52,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:18:53,879 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:18:53,893 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:18:53,894 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:18:53,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:18:53 BoogieIcfgContainer [2023-04-01 22:18:53,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:18:53,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:18:53,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:18:53,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:18:53,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:18:51" (1/3) ... [2023-04-01 22:18:53,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a0f15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:18:53, skipping insertion in model container [2023-04-01 22:18:53,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:18:52" (2/3) ... [2023-04-01 22:18:53,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a0f15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:18:53, skipping insertion in model container [2023-04-01 22:18:53,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:18:53" (3/3) ... [2023-04-01 22:18:53,907 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label40.c [2023-04-01 22:18:53,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:18:53,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:18:53,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:18:53,992 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;@2761612, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:18:53,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:18:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 292 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 285 states have internal predecessors, (485), 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 22:18:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 22:18:54,009 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:18:54,009 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] [2023-04-01 22:18:54,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:18:54,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:18:54,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1933838967, now seen corresponding path program 1 times [2023-04-01 22:18:54,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:18:54,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993020941] [2023-04-01 22:18:54,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:18:54,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:18:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:18:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:54,650 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 22:18:54,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:18:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993020941] [2023-04-01 22:18:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993020941] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:18:54,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:18:54,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:18:54,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807233732] [2023-04-01 22:18:54,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:18:54,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:18:54,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:18:54,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:18:54,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:18:54,690 INFO L87 Difference]: Start difference. First operand has 292 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 285 states have internal predecessors, (485), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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 22:18:56,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:18:56,314 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2023-04-01 22:18:56,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:18:56,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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 50 [2023-04-01 22:18:56,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:18:56,337 INFO L225 Difference]: With dead ends: 791 [2023-04-01 22:18:56,337 INFO L226 Difference]: Without dead ends: 434 [2023-04-01 22:18:56,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:18:56,350 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 645 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:18:56,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 59 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:18:56,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-04-01 22:18:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2023-04-01 22:18:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 420 states have (on average 1.4452380952380952) internal successors, (607), 422 states have internal predecessors, (607), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:18:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2023-04-01 22:18:56,417 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 50 [2023-04-01 22:18:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:18:56,418 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2023-04-01 22:18:56,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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 22:18:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2023-04-01 22:18:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-01 22:18:56,422 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:18:56,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:56,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:18:56,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:18:56,423 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:18:56,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1677718596, now seen corresponding path program 1 times [2023-04-01 22:18:56,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:18:56,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241776422] [2023-04-01 22:18:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:18:56,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:18:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:18:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:18:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:18:56,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:18:56,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241776422] [2023-04-01 22:18:56,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241776422] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:18:56,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:18:56,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:18:56,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797059340] [2023-04-01 22:18:56,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:18:56,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:18:56,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:18:56,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:18:56,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:18:56,797 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 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 22:18:58,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:18:58,877 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2023-04-01 22:18:58,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 22:18:58,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 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 122 [2023-04-01 22:18:58,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:18:58,886 INFO L225 Difference]: With dead ends: 1664 [2023-04-01 22:18:58,886 INFO L226 Difference]: Without dead ends: 1240 [2023-04-01 22:18:58,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:18:58,894 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1651 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:18:58,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 146 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 22:18:58,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2023-04-01 22:18:58,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2023-04-01 22:18:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 1181 states have (on average 1.3776460626587637) internal successors, (1627), 1192 states have internal predecessors, (1627), 8 states have call successors, (8), 8 states have call predecessors, (8), 18 states have return successors, (55), 7 states have call predecessors, (55), 7 states have call successors, (55) [2023-04-01 22:18:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1690 transitions. [2023-04-01 22:18:58,969 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1690 transitions. Word has length 122 [2023-04-01 22:18:58,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:18:58,976 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1690 transitions. [2023-04-01 22:18:58,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 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 22:18:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1690 transitions. [2023-04-01 22:18:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-01 22:18:58,980 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:18:58,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:58,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:18:58,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:18:58,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:18:58,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1563063807, now seen corresponding path program 1 times [2023-04-01 22:18:58,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:18:58,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075087351] [2023-04-01 22:18:58,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:18:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:18:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:18:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:18:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:18:59,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:18:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075087351] [2023-04-01 22:18:59,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075087351] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:18:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940983723] [2023-04-01 22:18:59,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:18:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:18:59,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:18:59,265 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 22:18:59,289 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 22:18:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:18:59,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:18:59,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:18:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:18:59,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:18:59,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940983723] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:18:59,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:18:59,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:18:59,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816253024] [2023-04-01 22:18:59,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:18:59,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:18:59,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:18:59,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:18:59,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:18:59,520 INFO L87 Difference]: Start difference. First operand 1208 states and 1690 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 22:19:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:00,287 INFO L93 Difference]: Finished difference Result 2808 states and 3930 transitions. [2023-04-01 22:19:00,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:19:00,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 123 [2023-04-01 22:19:00,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:00,300 INFO L225 Difference]: With dead ends: 2808 [2023-04-01 22:19:00,300 INFO L226 Difference]: Without dead ends: 1606 [2023-04-01 22:19:00,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:19:00,303 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 158 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:00,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 374 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:19:00,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2023-04-01 22:19:00,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1594. [2023-04-01 22:19:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1558 states have (on average 1.3363286264441592) internal successors, (2082), 1574 states have internal predecessors, (2082), 10 states have call successors, (10), 10 states have call predecessors, (10), 25 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) [2023-04-01 22:19:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2181 transitions. [2023-04-01 22:19:00,354 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2181 transitions. Word has length 123 [2023-04-01 22:19:00,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:00,356 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2181 transitions. [2023-04-01 22:19:00,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 22:19:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2181 transitions. [2023-04-01 22:19:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-01 22:19:00,362 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:00,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:00,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 22:19:00,571 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 22:19:00,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:00,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash 635253600, now seen corresponding path program 1 times [2023-04-01 22:19:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:00,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744923955] [2023-04-01 22:19:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:19:00,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:00,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744923955] [2023-04-01 22:19:00,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744923955] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:00,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138040423] [2023-04-01 22:19:00,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:00,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:00,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:00,762 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 22:19:00,788 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 22:19:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:00,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:19:00,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:19:00,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:19:00,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138040423] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:19:00,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:19:00,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:19:00,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135103466] [2023-04-01 22:19:00,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:19:00,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:19:00,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:00,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:19:00,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:19:00,962 INFO L87 Difference]: Start difference. First operand 1594 states and 2181 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:19:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:01,669 INFO L93 Difference]: Finished difference Result 3193 states and 4396 transitions. [2023-04-01 22:19:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:19:01,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 124 [2023-04-01 22:19:01,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:01,678 INFO L225 Difference]: With dead ends: 3193 [2023-04-01 22:19:01,679 INFO L226 Difference]: Without dead ends: 1605 [2023-04-01 22:19:01,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:19:01,685 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 173 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:01,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 352 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:19:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2023-04-01 22:19:01,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1594. [2023-04-01 22:19:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1558 states have (on average 1.3119383825417201) internal successors, (2044), 1574 states have internal predecessors, (2044), 10 states have call successors, (10), 10 states have call predecessors, (10), 25 states have return successors, (87), 9 states have call predecessors, (87), 9 states have call successors, (87) [2023-04-01 22:19:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2141 transitions. [2023-04-01 22:19:01,733 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2141 transitions. Word has length 124 [2023-04-01 22:19:01,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:01,734 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2141 transitions. [2023-04-01 22:19:01,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:19:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2141 transitions. [2023-04-01 22:19:01,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 22:19:01,739 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:01,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:01,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 22:19:01,947 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 22:19:01,947 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:01,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:01,948 INFO L85 PathProgramCache]: Analyzing trace with hash -443096456, now seen corresponding path program 1 times [2023-04-01 22:19:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:01,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086432366] [2023-04-01 22:19:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:19:02,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:02,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086432366] [2023-04-01 22:19:02,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086432366] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:02,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378895282] [2023-04-01 22:19:02,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:02,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:02,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:02,601 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 22:19:02,624 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 22:19:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:02,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:19:02,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:19:03,087 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:19:03,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378895282] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:19:03,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:19:03,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-04-01 22:19:03,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338094020] [2023-04-01 22:19:03,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:19:03,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:19:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:03,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:19:03,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:19:03,089 INFO L87 Difference]: Start difference. First operand 1594 states and 2141 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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 22:19:04,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:04,169 INFO L93 Difference]: Finished difference Result 3832 states and 5174 transitions. [2023-04-01 22:19:04,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 22:19:04,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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 144 [2023-04-01 22:19:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:04,178 INFO L225 Difference]: With dead ends: 3832 [2023-04-01 22:19:04,178 INFO L226 Difference]: Without dead ends: 2244 [2023-04-01 22:19:04,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:19:04,183 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 455 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:04,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 127 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:19:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2023-04-01 22:19:04,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2210. [2023-04-01 22:19:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 2142 states have (on average 1.2380952380952381) internal successors, (2652), 2184 states have internal predecessors, (2652), 13 states have call successors, (13), 13 states have call predecessors, (13), 54 states have return successors, (189), 12 states have call predecessors, (189), 12 states have call successors, (189) [2023-04-01 22:19:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2854 transitions. [2023-04-01 22:19:04,245 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2854 transitions. Word has length 144 [2023-04-01 22:19:04,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:04,245 INFO L495 AbstractCegarLoop]: Abstraction has 2210 states and 2854 transitions. [2023-04-01 22:19:04,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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 22:19:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2854 transitions. [2023-04-01 22:19:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-04-01 22:19:04,249 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:04,250 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:04,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-01 22:19:04,456 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 22:19:04,456 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:04,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:04,457 INFO L85 PathProgramCache]: Analyzing trace with hash 556384214, now seen corresponding path program 1 times [2023-04-01 22:19:04,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:04,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979905453] [2023-04-01 22:19:04,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:04,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:04,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:19:04,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:04,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979905453] [2023-04-01 22:19:04,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979905453] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:04,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666218894] [2023-04-01 22:19:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:04,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:04,887 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 22:19:04,889 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 22:19:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:05,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:19:05,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:19:05,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:19:05,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666218894] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:19:05,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:19:05,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:19:05,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738503514] [2023-04-01 22:19:05,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:19:05,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:19:05,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:05,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:19:05,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:19:05,414 INFO L87 Difference]: Start difference. First operand 2210 states and 2854 transitions. Second operand has 11 states, 11 states have (on average 34.81818181818182) internal successors, (383), 9 states have internal predecessors, (383), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:19:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:07,491 INFO L93 Difference]: Finished difference Result 4913 states and 6611 transitions. [2023-04-01 22:19:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-01 22:19:07,491 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.81818181818182) internal successors, (383), 9 states have internal predecessors, (383), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 252 [2023-04-01 22:19:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:07,504 INFO L225 Difference]: With dead ends: 4913 [2023-04-01 22:19:07,505 INFO L226 Difference]: Without dead ends: 2897 [2023-04-01 22:19:07,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 507 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2023-04-01 22:19:07,511 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 970 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:07,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 172 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 22:19:07,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2023-04-01 22:19:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2840. [2023-04-01 22:19:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 2739 states have (on average 1.208105147864184) internal successors, (3309), 2808 states have internal predecessors, (3309), 16 states have call successors, (16), 16 states have call predecessors, (16), 84 states have return successors, (278), 15 states have call predecessors, (278), 15 states have call successors, (278) [2023-04-01 22:19:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3603 transitions. [2023-04-01 22:19:07,640 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3603 transitions. Word has length 252 [2023-04-01 22:19:07,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:07,641 INFO L495 AbstractCegarLoop]: Abstraction has 2840 states and 3603 transitions. [2023-04-01 22:19:07,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.81818181818182) internal successors, (383), 9 states have internal predecessors, (383), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:19:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3603 transitions. [2023-04-01 22:19:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-04-01 22:19:07,645 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:07,646 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:07,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 22:19:07,851 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 22:19:07,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:07,852 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:07,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1335503437, now seen corresponding path program 1 times [2023-04-01 22:19:07,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:07,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843825123] [2023-04-01 22:19:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:07,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:19:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 7 proven. 82 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-01 22:19:08,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:08,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843825123] [2023-04-01 22:19:08,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843825123] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:08,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795993027] [2023-04-01 22:19:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:08,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:08,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:08,746 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 22:19:08,750 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 22:19:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:08,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 18 conjunts are in the unsatisfiable core [2023-04-01 22:19:08,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-01 22:19:09,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-01 22:19:10,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795993027] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:10,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:19:10,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2023-04-01 22:19:10,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052076727] [2023-04-01 22:19:10,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:19:10,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 22:19:10,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:10,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 22:19:10,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:19:10,960 INFO L87 Difference]: Start difference. First operand 2840 states and 3603 transitions. Second operand has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 22:19:12,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:12,665 INFO L93 Difference]: Finished difference Result 8441 states and 11424 transitions. [2023-04-01 22:19:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 22:19:12,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 260 [2023-04-01 22:19:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:12,689 INFO L225 Difference]: With dead ends: 8441 [2023-04-01 22:19:12,689 INFO L226 Difference]: Without dead ends: 5795 [2023-04-01 22:19:12,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 518 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:19:12,696 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 633 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:12,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 120 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 22:19:12,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5795 states. [2023-04-01 22:19:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5795 to 5781. [2023-04-01 22:19:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 5598 states have (on average 1.239371204001429) internal successors, (6938), 5719 states have internal predecessors, (6938), 31 states have call successors, (31), 31 states have call predecessors, (31), 151 states have return successors, (831), 30 states have call predecessors, (831), 30 states have call successors, (831) [2023-04-01 22:19:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 7800 transitions. [2023-04-01 22:19:12,859 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 7800 transitions. Word has length 260 [2023-04-01 22:19:12,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:12,860 INFO L495 AbstractCegarLoop]: Abstraction has 5781 states and 7800 transitions. [2023-04-01 22:19:12,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 22:19:12,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 7800 transitions. [2023-04-01 22:19:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-04-01 22:19:12,865 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:12,865 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:12,873 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 22:19:13,071 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 22:19:13,071 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:13,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:13,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1144925138, now seen corresponding path program 1 times [2023-04-01 22:19:13,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:13,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845538031] [2023-04-01 22:19:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:19:13,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:13,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845538031] [2023-04-01 22:19:13,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845538031] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:13,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293507470] [2023-04-01 22:19:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:13,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:13,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:13,462 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 22:19:13,484 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 22:19:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:13,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 22:19:13,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-04-01 22:19:13,903 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 90 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:19:14,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293507470] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:19:14,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:19:14,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 18 [2023-04-01 22:19:14,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907557515] [2023-04-01 22:19:14,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:19:14,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-01 22:19:14,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:14,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-01 22:19:14,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:19:14,656 INFO L87 Difference]: Start difference. First operand 5781 states and 7800 transitions. Second operand has 18 states, 18 states have (on average 34.22222222222222) internal successors, (616), 16 states have internal predecessors, (616), 7 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2023-04-01 22:19:22,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:22,796 INFO L93 Difference]: Finished difference Result 24416 states and 35176 transitions. [2023-04-01 22:19:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-04-01 22:19:22,797 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 34.22222222222222) internal successors, (616), 16 states have internal predecessors, (616), 7 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) Word has length 270 [2023-04-01 22:19:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:22,878 INFO L225 Difference]: With dead ends: 24416 [2023-04-01 22:19:22,878 INFO L226 Difference]: Without dead ends: 16533 [2023-04-01 22:19:22,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1296 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=837, Invalid=3585, Unknown=0, NotChecked=0, Total=4422 [2023-04-01 22:19:22,902 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 5513 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 8445 mSolverCounterSat, 1495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5513 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 9940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1495 IncrementalHoareTripleChecker+Valid, 8445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:22,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5513 Valid, 427 Invalid, 9940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1495 Valid, 8445 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-01 22:19:22,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16533 states. [2023-04-01 22:19:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16533 to 14409. [2023-04-01 22:19:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14409 states, 13988 states have (on average 1.1790820703460108) internal successors, (16493), 14259 states have internal predecessors, (16493), 75 states have call successors, (75), 75 states have call predecessors, (75), 345 states have return successors, (1896), 74 states have call predecessors, (1896), 74 states have call successors, (1896) [2023-04-01 22:19:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14409 states to 14409 states and 18464 transitions. [2023-04-01 22:19:23,305 INFO L78 Accepts]: Start accepts. Automaton has 14409 states and 18464 transitions. Word has length 270 [2023-04-01 22:19:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:23,305 INFO L495 AbstractCegarLoop]: Abstraction has 14409 states and 18464 transitions. [2023-04-01 22:19:23,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 34.22222222222222) internal successors, (616), 16 states have internal predecessors, (616), 7 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2023-04-01 22:19:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand 14409 states and 18464 transitions. [2023-04-01 22:19:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-04-01 22:19:23,317 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:23,317 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:23,325 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 22:19:23,522 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 22:19:23,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:23,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:23,523 INFO L85 PathProgramCache]: Analyzing trace with hash 473217247, now seen corresponding path program 1 times [2023-04-01 22:19:23,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:23,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103388507] [2023-04-01 22:19:23,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:23,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-01 22:19:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 270 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-01 22:19:23,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:23,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103388507] [2023-04-01 22:19:23,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103388507] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:23,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380473509] [2023-04-01 22:19:23,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:23,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:23,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:23,921 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 22:19:23,924 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 22:19:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:24,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:19:24,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-04-01 22:19:24,134 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:19:24,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380473509] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:19:24,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:19:24,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 22:19:24,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557984239] [2023-04-01 22:19:24,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:19:24,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:19:24,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:24,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:19:24,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:19:24,138 INFO L87 Difference]: Start difference. First operand 14409 states and 18464 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 22:19:24,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:24,963 INFO L93 Difference]: Finished difference Result 36030 states and 46831 transitions. [2023-04-01 22:19:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:19:24,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 326 [2023-04-01 22:19:24,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:25,046 INFO L225 Difference]: With dead ends: 36030 [2023-04-01 22:19:25,047 INFO L226 Difference]: Without dead ends: 22005 [2023-04-01 22:19:25,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 331 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:19:25,084 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 162 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:25,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 346 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:19:25,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22005 states. [2023-04-01 22:19:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22005 to 20869. [2023-04-01 22:19:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20869 states, 20346 states have (on average 1.1506930109112357) internal successors, (23412), 20651 states have internal predecessors, (23412), 109 states have call successors, (109), 109 states have call predecessors, (109), 413 states have return successors, (2650), 108 states have call predecessors, (2650), 108 states have call successors, (2650) [2023-04-01 22:19:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20869 states to 20869 states and 26171 transitions. [2023-04-01 22:19:25,558 INFO L78 Accepts]: Start accepts. Automaton has 20869 states and 26171 transitions. Word has length 326 [2023-04-01 22:19:25,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:25,558 INFO L495 AbstractCegarLoop]: Abstraction has 20869 states and 26171 transitions. [2023-04-01 22:19:25,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 22:19:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 20869 states and 26171 transitions. [2023-04-01 22:19:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-04-01 22:19:25,570 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:25,570 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:25,580 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 22:19:25,777 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 22:19:25,778 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:25,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:25,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1780042704, now seen corresponding path program 1 times [2023-04-01 22:19:25,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:25,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067700426] [2023-04-01 22:19:25,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:25,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 7 proven. 85 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-04-01 22:19:26,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:26,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067700426] [2023-04-01 22:19:26,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067700426] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:26,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792868400] [2023-04-01 22:19:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:26,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:26,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:26,908 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 22:19:26,934 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 22:19:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:27,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:19:27,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-04-01 22:19:27,255 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:19:27,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792868400] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:19:27,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:19:27,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2023-04-01 22:19:27,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760544986] [2023-04-01 22:19:27,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:19:27,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:19:27,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:27,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:19:27,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:19:27,257 INFO L87 Difference]: Start difference. First operand 20869 states and 26171 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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 22:19:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:28,151 INFO L93 Difference]: Finished difference Result 44962 states and 57112 transitions. [2023-04-01 22:19:28,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:19:28,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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 356 [2023-04-01 22:19:28,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:28,234 INFO L225 Difference]: With dead ends: 44962 [2023-04-01 22:19:28,234 INFO L226 Difference]: Without dead ends: 24477 [2023-04-01 22:19:28,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:19:28,274 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 181 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:28,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 326 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:19:28,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24477 states. [2023-04-01 22:19:28,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24477 to 23899. [2023-04-01 22:19:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23899 states, 23338 states have (on average 1.1490701859628074) internal successors, (26817), 23649 states have internal predecessors, (26817), 125 states have call successors, (125), 125 states have call predecessors, (125), 435 states have return successors, (3101), 124 states have call predecessors, (3101), 124 states have call successors, (3101) [2023-04-01 22:19:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23899 states to 23899 states and 30043 transitions. [2023-04-01 22:19:28,812 INFO L78 Accepts]: Start accepts. Automaton has 23899 states and 30043 transitions. Word has length 356 [2023-04-01 22:19:28,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:28,813 INFO L495 AbstractCegarLoop]: Abstraction has 23899 states and 30043 transitions. [2023-04-01 22:19:28,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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 22:19:28,813 INFO L276 IsEmpty]: Start isEmpty. Operand 23899 states and 30043 transitions. [2023-04-01 22:19:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2023-04-01 22:19:28,847 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:28,847 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:28,856 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 22:19:29,053 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 22:19:29,054 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:29,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:29,055 INFO L85 PathProgramCache]: Analyzing trace with hash 907422683, now seen corresponding path program 1 times [2023-04-01 22:19:29,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:29,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951585277] [2023-04-01 22:19:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:29,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-01 22:19:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 351 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-04-01 22:19:29,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:29,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951585277] [2023-04-01 22:19:29,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951585277] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:29,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724523386] [2023-04-01 22:19:29,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:29,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:29,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:29,581 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 22:19:29,583 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 22:19:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:29,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:19:29,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 353 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-01 22:19:29,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 353 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-01 22:19:30,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724523386] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:19:30,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:19:30,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2023-04-01 22:19:30,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314738384] [2023-04-01 22:19:30,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:19:30,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:19:30,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:19:30,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:19:30,536 INFO L87 Difference]: Start difference. First operand 23899 states and 30043 transitions. Second operand has 8 states, 8 states have (on average 68.125) internal successors, (545), 6 states have internal predecessors, (545), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-01 22:19:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:31,716 INFO L93 Difference]: Finished difference Result 41421 states and 52157 transitions. [2023-04-01 22:19:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:19:31,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 68.125) internal successors, (545), 6 states have internal predecessors, (545), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 461 [2023-04-01 22:19:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:31,782 INFO L225 Difference]: With dead ends: 41421 [2023-04-01 22:19:31,782 INFO L226 Difference]: Without dead ends: 21208 [2023-04-01 22:19:31,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:19:31,817 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 760 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:31,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 107 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:19:31,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21208 states. [2023-04-01 22:19:32,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21208 to 19484. [2023-04-01 22:19:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19484 states, 18993 states have (on average 1.1088822197651766) internal successors, (21061), 19280 states have internal predecessors, (21061), 102 states have call successors, (102), 102 states have call predecessors, (102), 388 states have return successors, (1735), 101 states have call predecessors, (1735), 101 states have call successors, (1735) [2023-04-01 22:19:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19484 states to 19484 states and 22898 transitions. [2023-04-01 22:19:32,262 INFO L78 Accepts]: Start accepts. Automaton has 19484 states and 22898 transitions. Word has length 461 [2023-04-01 22:19:32,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:32,262 INFO L495 AbstractCegarLoop]: Abstraction has 19484 states and 22898 transitions. [2023-04-01 22:19:32,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 68.125) internal successors, (545), 6 states have internal predecessors, (545), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-01 22:19:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 19484 states and 22898 transitions. [2023-04-01 22:19:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2023-04-01 22:19:32,292 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:32,292 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:32,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-01 22:19:32,503 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 22:19:32,503 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:32,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:32,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1824394704, now seen corresponding path program 1 times [2023-04-01 22:19:32,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:32,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277682757] [2023-04-01 22:19:32,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:32,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:19:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:33,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-04-01 22:19:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 333 proven. 44 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 22:19:33,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:33,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277682757] [2023-04-01 22:19:33,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277682757] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:33,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676054402] [2023-04-01 22:19:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:33,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:33,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:33,784 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 22:19:33,786 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 22:19:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:33,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 12 conjunts are in the unsatisfiable core [2023-04-01 22:19:33,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 333 proven. 46 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-04-01 22:19:34,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 377 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-04-01 22:19:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676054402] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:19:37,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:19:37,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2023-04-01 22:19:37,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979102115] [2023-04-01 22:19:37,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:19:37,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-01 22:19:37,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:37,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-01 22:19:37,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:19:37,169 INFO L87 Difference]: Start difference. First operand 19484 states and 22898 transitions. Second operand has 15 states, 15 states have (on average 42.93333333333333) internal successors, (644), 13 states have internal predecessors, (644), 7 states have call successors, (11), 8 states have call predecessors, (11), 7 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 22:19:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:41,448 INFO L93 Difference]: Finished difference Result 43721 states and 51722 transitions. [2023-04-01 22:19:41,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-01 22:19:41,448 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 42.93333333333333) internal successors, (644), 13 states have internal predecessors, (644), 7 states have call successors, (11), 8 states have call predecessors, (11), 7 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) Word has length 483 [2023-04-01 22:19:41,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:41,524 INFO L225 Difference]: With dead ends: 43721 [2023-04-01 22:19:41,525 INFO L226 Difference]: Without dead ends: 24621 [2023-04-01 22:19:41,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 979 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2023-04-01 22:19:41,556 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1673 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 5519 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 5993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 5519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:41,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 273 Invalid, 5993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 5519 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-04-01 22:19:41,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24621 states. [2023-04-01 22:19:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24621 to 23081. [2023-04-01 22:19:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23081 states, 22538 states have (on average 1.097701659419647) internal successors, (24740), 22839 states have internal predecessors, (24740), 121 states have call successors, (121), 121 states have call predecessors, (121), 421 states have return successors, (1922), 120 states have call predecessors, (1922), 120 states have call successors, (1922) [2023-04-01 22:19:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23081 states to 23081 states and 26783 transitions. [2023-04-01 22:19:42,108 INFO L78 Accepts]: Start accepts. Automaton has 23081 states and 26783 transitions. Word has length 483 [2023-04-01 22:19:42,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:42,109 INFO L495 AbstractCegarLoop]: Abstraction has 23081 states and 26783 transitions. [2023-04-01 22:19:42,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 42.93333333333333) internal successors, (644), 13 states have internal predecessors, (644), 7 states have call successors, (11), 8 states have call predecessors, (11), 7 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 22:19:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 23081 states and 26783 transitions. [2023-04-01 22:19:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2023-04-01 22:19:42,150 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:42,151 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:42,160 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 22:19:42,357 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 22:19:42,357 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:42,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:42,358 INFO L85 PathProgramCache]: Analyzing trace with hash 645225265, now seen corresponding path program 1 times [2023-04-01 22:19:42,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:42,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69473185] [2023-04-01 22:19:42,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:42,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:19:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:19:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:42,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-04-01 22:19:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2023-04-01 22:19:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 532 proven. 93 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2023-04-01 22:19:43,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:43,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69473185] [2023-04-01 22:19:43,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69473185] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:43,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087381289] [2023-04-01 22:19:43,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:43,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:43,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:43,181 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 22:19:43,184 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 22:19:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:43,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-01 22:19:43,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:43,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 847 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-04-01 22:19:43,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 535 proven. 94 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-04-01 22:19:43,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087381289] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:19:43,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:19:43,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:19:43,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411289333] [2023-04-01 22:19:43,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:19:43,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:19:43,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:43,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:19:43,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:19:43,969 INFO L87 Difference]: Start difference. First operand 23081 states and 26783 transitions. Second operand has 11 states, 11 states have (on average 51.72727272727273) internal successors, (569), 9 states have internal predecessors, (569), 4 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 22:19:45,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:45,817 INFO L93 Difference]: Finished difference Result 47308 states and 55604 transitions. [2023-04-01 22:19:45,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-01 22:19:45,817 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 51.72727272727273) internal successors, (569), 9 states have internal predecessors, (569), 4 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 568 [2023-04-01 22:19:45,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:45,888 INFO L225 Difference]: With dead ends: 47308 [2023-04-01 22:19:45,888 INFO L226 Difference]: Without dead ends: 26355 [2023-04-01 22:19:45,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1151 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2023-04-01 22:19:45,925 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 1467 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:45,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 161 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1811 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:19:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26355 states. [2023-04-01 22:19:46,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26355 to 26135. [2023-04-01 22:19:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26135 states, 25538 states have (on average 1.094173388675699) internal successors, (27943), 25861 states have internal predecessors, (27943), 137 states have call successors, (137), 137 states have call predecessors, (137), 459 states have return successors, (2150), 136 states have call predecessors, (2150), 136 states have call successors, (2150) [2023-04-01 22:19:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26135 states to 26135 states and 30230 transitions. [2023-04-01 22:19:46,567 INFO L78 Accepts]: Start accepts. Automaton has 26135 states and 30230 transitions. Word has length 568 [2023-04-01 22:19:46,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:46,568 INFO L495 AbstractCegarLoop]: Abstraction has 26135 states and 30230 transitions. [2023-04-01 22:19:46,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 51.72727272727273) internal successors, (569), 9 states have internal predecessors, (569), 4 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 22:19:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26135 states and 30230 transitions. [2023-04-01 22:19:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2023-04-01 22:19:46,622 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:46,622 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:46,631 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 22:19:46,828 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 22:19:46,828 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:46,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:46,829 INFO L85 PathProgramCache]: Analyzing trace with hash -727557668, now seen corresponding path program 1 times [2023-04-01 22:19:46,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:46,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711231569] [2023-04-01 22:19:46,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:46,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-04-01 22:19:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:47,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2023-04-01 22:19:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 183 proven. 8 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-04-01 22:19:47,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:47,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711231569] [2023-04-01 22:19:47,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711231569] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:47,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632926977] [2023-04-01 22:19:47,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:47,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:47,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:47,335 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 22:19:47,338 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 22:19:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:47,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 22:19:47,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 557 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-04-01 22:19:47,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:19:47,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632926977] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:19:47,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:19:47,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-04-01 22:19:47,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073226217] [2023-04-01 22:19:47,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:19:47,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:19:47,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:47,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:19:47,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:19:47,833 INFO L87 Difference]: Start difference. First operand 26135 states and 30230 transitions. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 2 states have internal predecessors, (340), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-04-01 22:19:48,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:48,475 INFO L93 Difference]: Finished difference Result 49151 states and 56845 transitions. [2023-04-01 22:19:48,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:19:48,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 2 states have internal predecessors, (340), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 610 [2023-04-01 22:19:48,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:48,544 INFO L225 Difference]: With dead ends: 49151 [2023-04-01 22:19:48,544 INFO L226 Difference]: Without dead ends: 25146 [2023-04-01 22:19:48,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:19:48,581 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 177 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:48,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 46 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:19:48,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25146 states. [2023-04-01 22:19:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25146 to 25134. [2023-04-01 22:19:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25134 states, 24566 states have (on average 1.089961735732313) internal successors, (26776), 24870 states have internal predecessors, (26776), 132 states have call successors, (132), 132 states have call predecessors, (132), 435 states have return successors, (1947), 131 states have call predecessors, (1947), 131 states have call successors, (1947) [2023-04-01 22:19:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25134 states to 25134 states and 28855 transitions. [2023-04-01 22:19:48,978 INFO L78 Accepts]: Start accepts. Automaton has 25134 states and 28855 transitions. Word has length 610 [2023-04-01 22:19:48,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:48,978 INFO L495 AbstractCegarLoop]: Abstraction has 25134 states and 28855 transitions. [2023-04-01 22:19:48,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 2 states have internal predecessors, (340), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-04-01 22:19:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 25134 states and 28855 transitions. [2023-04-01 22:19:49,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2023-04-01 22:19:49,007 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:49,007 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:49,019 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 22:19:49,214 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 22:19:49,214 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:49,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:49,215 INFO L85 PathProgramCache]: Analyzing trace with hash 582330062, now seen corresponding path program 1 times [2023-04-01 22:19:49,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:49,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107194234] [2023-04-01 22:19:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:49,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-04-01 22:19:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2023-04-01 22:19:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 450 proven. 16 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2023-04-01 22:19:50,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:50,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107194234] [2023-04-01 22:19:50,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107194234] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:50,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859391253] [2023-04-01 22:19:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:50,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:50,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:50,486 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 22:19:50,489 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 22:19:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:50,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 20 conjunts are in the unsatisfiable core [2023-04-01 22:19:50,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:51,180 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 578 proven. 181 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-04-01 22:19:51,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 458 proven. 2 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-04-01 22:19:53,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859391253] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:19:53,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:19:53,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 5] total 15 [2023-04-01 22:19:53,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377262398] [2023-04-01 22:19:53,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:19:53,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-01 22:19:53,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:53,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-01 22:19:53,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:19:53,363 INFO L87 Difference]: Start difference. First operand 25134 states and 28855 transitions. Second operand has 15 states, 15 states have (on average 40.06666666666667) internal successors, (601), 13 states have internal predecessors, (601), 6 states have call successors, (11), 7 states have call predecessors, (11), 8 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:19:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:19:56,432 INFO L93 Difference]: Finished difference Result 44894 states and 51729 transitions. [2023-04-01 22:19:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 22:19:56,433 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 40.06666666666667) internal successors, (601), 13 states have internal predecessors, (601), 6 states have call successors, (11), 7 states have call predecessors, (11), 8 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 626 [2023-04-01 22:19:56,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:19:56,470 INFO L225 Difference]: With dead ends: 44894 [2023-04-01 22:19:56,470 INFO L226 Difference]: Without dead ends: 18977 [2023-04-01 22:19:56,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1317 GetRequests, 1277 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=325, Invalid=1315, Unknown=0, NotChecked=0, Total=1640 [2023-04-01 22:19:56,504 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 3144 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 3724 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 4096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 3724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:19:56,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 281 Invalid, 4096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 3724 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:19:56,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18977 states. [2023-04-01 22:19:56,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18977 to 15544. [2023-04-01 22:19:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15544 states, 15168 states have (on average 1.078125) internal successors, (16353), 15380 states have internal predecessors, (16353), 82 states have call successors, (82), 82 states have call predecessors, (82), 293 states have return successors, (993), 81 states have call predecessors, (993), 81 states have call successors, (993) [2023-04-01 22:19:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15544 states to 15544 states and 17428 transitions. [2023-04-01 22:19:56,921 INFO L78 Accepts]: Start accepts. Automaton has 15544 states and 17428 transitions. Word has length 626 [2023-04-01 22:19:56,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:19:56,922 INFO L495 AbstractCegarLoop]: Abstraction has 15544 states and 17428 transitions. [2023-04-01 22:19:56,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 40.06666666666667) internal successors, (601), 13 states have internal predecessors, (601), 6 states have call successors, (11), 7 states have call predecessors, (11), 8 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:19:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 15544 states and 17428 transitions. [2023-04-01 22:19:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2023-04-01 22:19:56,939 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:19:56,939 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:19:56,949 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 22:19:57,146 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 22:19:57,146 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:19:57,147 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:19:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash -307084974, now seen corresponding path program 1 times [2023-04-01 22:19:57,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:19:57,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766656505] [2023-04-01 22:19:57,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:57,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:19:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:57,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:19:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:19:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:19:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-04-01 22:19:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-04-01 22:19:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2023-04-01 22:19:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 331 proven. 301 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2023-04-01 22:19:57,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:19:57,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766656505] [2023-04-01 22:19:57,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766656505] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:19:57,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045252864] [2023-04-01 22:19:57,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:19:57,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:19:57,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:19:57,925 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:19:57,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-04-01 22:19:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:19:58,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:19:58,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:19:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 598 proven. 2 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2023-04-01 22:19:58,247 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:19:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 598 proven. 2 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2023-04-01 22:19:58,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045252864] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:19:58,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:19:58,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:19:58,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252518572] [2023-04-01 22:19:58,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:19:58,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:19:58,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:19:58,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:19:58,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:19:58,932 INFO L87 Difference]: Start difference. First operand 15544 states and 17428 transitions. Second operand has 11 states, 11 states have (on average 37.63636363636363) internal successors, (414), 9 states have internal predecessors, (414), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 22:20:01,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:01,638 INFO L93 Difference]: Finished difference Result 34078 states and 38149 transitions. [2023-04-01 22:20:01,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-04-01 22:20:01,638 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 37.63636363636363) internal successors, (414), 9 states have internal predecessors, (414), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 654 [2023-04-01 22:20:01,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:01,639 INFO L225 Difference]: With dead ends: 34078 [2023-04-01 22:20:01,639 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:20:01,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1363 GetRequests, 1334 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=709, Unknown=0, NotChecked=0, Total=930 [2023-04-01 22:20:01,675 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 1690 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 3140 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 3604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 3140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:01,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1697 Valid, 168 Invalid, 3604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 3140 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:20:01,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:20:01,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:20:01,676 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 22:20:01,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:20:01,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 654 [2023-04-01 22:20:01,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:01,676 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:20:01,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 37.63636363636363) internal successors, (414), 9 states have internal predecessors, (414), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 22:20:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:20:01,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:20:01,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:20:01,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:01,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:01,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:20:07,267 WARN L223 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 460 DAG size of output: 488 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:20:13,948 WARN L223 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 460 DAG size of output: 488 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:20:20,265 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:20:20,265 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:20:20,265 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:20:20,265 INFO L895 garLoopResultBuilder]: At program point L1052(line 1052) the Hoare annotation is: (let ((.cse15 (= (mod ~a29~0 5) 0)) (.cse14 (div ~a29~0 5))) (let ((.cse5 (<= 11 ~a25~0)) (.cse2 (<= ~a29~0 277)) (.cse12 (not (= ~a25~0 9))) (.cse0 (= ~a25~0 12)) (.cse4 (< 0 (+ 512969 .cse14))) (.cse7 (or (not .cse15) (< 0 (+ 512968 .cse14)))) (.cse8 (< ~a23~0 600391)) (.cse11 (<= ~a25~0 10)) (.cse1 (< 245 ~a29~0)) (.cse3 (= ~a4~0 0)) (.cse6 (<= ~a23~0 138)) (.cse9 (< ~a23~0 307)) (.cse17 (< 140 ~a29~0)) (.cse18 (<= ~a29~0 245)) (.cse13 (<= 12 ~a25~0)) (.cse10 (= ~a4~0 1)) (.cse16 (<= 312 ~a23~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6 .cse7) (and .cse0 .cse4 .cse3 .cse8 .cse7) (and .cse9 .cse5 .cse10) (< |old(~a23~0)| 312) (and .cse6 .cse10) (and .cse4 .cse9 .cse3 .cse11 .cse12 .cse7) (and .cse4 .cse8 .cse13 .cse10 .cse7) (and (< ~a29~0 141) .cse4 .cse3 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse10) (< 312 |old(~a23~0)|) (< 10 |old(~a25~0)|) (and (<= 0 (+ 5710 .cse14)) (<= (+ 5689 .cse14) 0) .cse15 .cse3 .cse11 .cse12) (and .cse8 .cse13 .cse10 .cse16) (and .cse0 .cse17 .cse3 .cse18) (and (not (= ~a25~0 13)) .cse1 (not .cse0) .cse10) (and .cse0 .cse4 .cse3 (<= (+ ~a29~0 554036) 0) .cse7) (and .cse17 .cse8 .cse10) (and .cse8 .cse11 .cse10 .cse16) (and .cse1 .cse3 .cse6) (and .cse9 .cse10 (<= ~a25~0 9)) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (< (+ 28553 |old(~a29~0)|) 0) (and .cse17 .cse18 .cse13 .cse10 .cse16) (< 130 |old(~a29~0)|)))) [2023-04-01 22:20:20,266 INFO L899 garLoopResultBuilder]: For program point L1052-1(line 1052) no Hoare annotation was computed. [2023-04-01 22:20:20,266 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-04-01 22:20:20,266 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:20:20,266 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse15 (= (mod ~a29~0 5) 0)) (.cse14 (div ~a29~0 5))) (let ((.cse5 (<= 11 ~a25~0)) (.cse2 (<= ~a29~0 277)) (.cse12 (not (= ~a25~0 9))) (.cse0 (= ~a25~0 12)) (.cse4 (< 0 (+ 512969 .cse14))) (.cse7 (or (not .cse15) (< 0 (+ 512968 .cse14)))) (.cse8 (< ~a23~0 600391)) (.cse11 (<= ~a25~0 10)) (.cse1 (< 245 ~a29~0)) (.cse3 (= ~a4~0 0)) (.cse6 (<= ~a23~0 138)) (.cse9 (< ~a23~0 307)) (.cse17 (< 140 ~a29~0)) (.cse18 (<= ~a29~0 245)) (.cse13 (<= 12 ~a25~0)) (.cse10 (= ~a4~0 1)) (.cse16 (<= 312 ~a23~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6 .cse7) (and .cse0 .cse4 .cse3 .cse8 .cse7) (and .cse9 .cse5 .cse10) (< |old(~a23~0)| 312) (and .cse6 .cse10) (and .cse4 .cse9 .cse3 .cse11 .cse12 .cse7) (and .cse4 .cse8 .cse13 .cse10 .cse7) (and (< ~a29~0 141) .cse4 .cse3 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse10) (< 312 |old(~a23~0)|) (< 10 |old(~a25~0)|) (and (<= 0 (+ 5710 .cse14)) (<= (+ 5689 .cse14) 0) .cse15 .cse3 .cse11 .cse12) (and .cse8 .cse13 .cse10 .cse16) (and .cse0 .cse17 .cse3 .cse18) (and (not (= ~a25~0 13)) .cse1 (not .cse0) .cse10) (and .cse0 .cse4 .cse3 (<= (+ ~a29~0 554036) 0) .cse7) (and .cse17 .cse8 .cse10) (and .cse8 .cse11 .cse10 .cse16) (and .cse1 .cse3 .cse6) (and .cse9 .cse10 (<= ~a25~0 9)) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (< (+ 28553 |old(~a29~0)|) 0) (and .cse17 .cse18 .cse13 .cse10 .cse16) (< 130 |old(~a29~0)|)))) [2023-04-01 22:20:20,266 INFO L899 garLoopResultBuilder]: For program point L1044-3(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:20:20,266 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1038 1054) the Hoare annotation is: (or (< |old(~a23~0)| 312) (< 312 |old(~a23~0)|) (< 10 |old(~a25~0)|) (and (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1) (<= ~a23~0 312) (<= 312 ~a23~0) (= ~a25~0 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (< (+ 28553 |old(~a29~0)|) 0) (< 130 |old(~a29~0)|)) [2023-04-01 22:20:20,266 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:20:20,266 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~a3~0 |old(~a3~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a8~0 |old(~a8~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-01 22:20:20,267 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-04-01 22:20:20,268 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-04-01 22:20:20,269 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,270 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,271 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,272 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:20:20,273 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-04-01 22:20:20,274 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:20:20,275 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-04-01 22:20:20,276 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:20:20,277 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,278 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,279 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,280 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,281 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,282 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-04-01 22:20:20,283 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:20:20,284 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-01 22:20:20,285 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 32 1036) the Hoare annotation is: (let ((.cse16 (= 12 |old(~a25~0)|)) (.cse24 (= 0 (mod |old(~a29~0)| 5))) (.cse22 (div |old(~a29~0)| 5)) (.cse28 (= ~a4~0 1)) (.cse29 (= ~a25~0 |old(~a25~0)|)) (.cse25 (= ~a25~0 12)) (.cse26 (= ~a29~0 |old(~a29~0)|)) (.cse30 (= ~a4~0 0)) (.cse27 (= ~a23~0 |old(~a23~0)|))) (let ((.cse9 (< |old(~a23~0)| 312)) (.cse20 (and .cse25 .cse26 .cse30 .cse27)) (.cse21 (< 10 |old(~a25~0)|)) (.cse6 (<= 307 |old(~a23~0)|)) (.cse23 (= 9 |old(~a25~0)|)) (.cse10 (<= 600391 |old(~a23~0)|)) (.cse8 (and .cse26 .cse27 .cse28 .cse29)) (.cse17 (<= (+ .cse22 512969) 0)) (.cse0 (not (= |old(~a4~0)| 0))) (.cse15 (< 138 |old(~a23~0)|)) (.cse18 (and .cse26 .cse30 .cse27 .cse29)) (.cse19 (and (<= (+ 512968 .cse22) 0) .cse24)) (.cse14 (< |old(~a25~0)| 11)) (.cse1 (<= |old(~a29~0)| 245)) (.cse2 (not .cse16)) (.cse3 (< 277 |old(~a29~0)|)) (.cse12 (< 245 |old(~a29~0)|)) (.cse13 (<= |old(~a29~0)| 140)) (.cse11 (< |old(~a25~0)| 12)) (.cse7 (not (= |old(~a4~0)| 1))) (.cse4 (not (= ~a8~0 15))) (.cse5 (and .cse26 .cse27 .cse29 (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (< 9 |old(~a25~0)|) .cse7 .cse8) (or .cse9 .cse10 .cse11 .cse7 .cse4 .cse8) (or .cse0 .cse2 .cse12 .cse13 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse14) (or .cse15 .cse7 .cse8) (or (= 13 |old(~a25~0)|) .cse1 .cse7 .cse4 .cse8 .cse16) (or .cse17 (<= 141 |old(~a29~0)|) .cse0 .cse15 .cse18 .cse19 .cse4) (or .cse17 .cse0 .cse10 .cse2 .cse20 .cse19 .cse4) (or .cse9 .cse10 .cse21 .cse7 .cse4 .cse8) (or .cse17 .cse10 .cse11 .cse7 .cse19 .cse4 .cse8) (or .cse0 .cse15 .cse1 .cse18 .cse4) (or .cse17 .cse0 .cse2 .cse20 (< 0 (+ 554036 |old(~a29~0)|)) .cse19 .cse4) (or .cse0 .cse21 (< (+ .cse22 5710) 0) .cse23 (< 0 (+ .cse22 5689)) (not .cse24) .cse4 .cse5) (or .cse17 .cse0 .cse21 .cse18 .cse6 .cse23 .cse19 .cse4) (or .cse10 .cse13 .cse7 .cse4 .cse8) (or .cse17 .cse0 .cse15 .cse18 .cse19 .cse4 .cse14) (or .cse1 .cse2 (and .cse25 .cse26 .cse27 .cse28) .cse3 .cse7 .cse4) (or .cse12 .cse13 .cse11 .cse7 .cse4 .cse5)))) [2023-04-01 22:20:20,285 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,286 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (= ~a4~0 1) (<= ~a23~0 312) (<= 312 ~a23~0) (= ~a8~0 15) (<= 0 (+ ~a29~0 28553)) (<= ~a29~0 130)) [2023-04-01 22:20:20,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:20:20,287 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:20:20,290 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:20,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:20:20,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:20:20 BoogieIcfgContainer [2023-04-01 22:20:20,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:20:20,309 INFO L158 Benchmark]: Toolchain (without parser) took 88802.87ms. Allocated memory was 310.4MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 250.7MB in the beginning and 1.0GB in the end (delta: -754.6MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2023-04-01 22:20:20,320 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 205.5MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:20:20,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.32ms. Allocated memory is still 310.4MB. Free memory was 250.7MB in the beginning and 205.6MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-04-01 22:20:20,321 INFO L158 Benchmark]: Boogie Preprocessor took 132.84ms. Allocated memory is still 310.4MB. Free memory was 205.6MB in the beginning and 198.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-04-01 22:20:20,321 INFO L158 Benchmark]: RCFGBuilder took 1540.53ms. Allocated memory is still 310.4MB. Free memory was 198.3MB in the beginning and 137.3MB in the end (delta: 61.0MB). Peak memory consumption was 62.5MB. Max. memory is 8.0GB. [2023-04-01 22:20:20,321 INFO L158 Benchmark]: TraceAbstraction took 86408.72ms. Allocated memory was 310.4MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 136.8MB in the beginning and 1.0GB in the end (delta: -868.5MB). Peak memory consumption was 885.8MB. Max. memory is 8.0GB. [2023-04-01 22:20:20,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 205.5MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 713.32ms. Allocated memory is still 310.4MB. Free memory was 250.7MB in the beginning and 205.6MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 132.84ms. Allocated memory is still 310.4MB. Free memory was 205.6MB in the beginning and 198.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1540.53ms. Allocated memory is still 310.4MB. Free memory was 198.3MB in the beginning and 137.3MB in the end (delta: 61.0MB). Peak memory consumption was 62.5MB. Max. memory is 8.0GB. * TraceAbstraction took 86408.72ms. Allocated memory was 310.4MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 136.8MB in the beginning and 1.0GB in the end (delta: -868.5MB). Peak memory consumption was 885.8MB. 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: 148]: 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, 295 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 86.3s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 34.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19465 SdHoareTripleChecker+Valid, 28.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19452 mSDsluCounter, 3485 SdHoareTripleChecker+Invalid, 23.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1684 mSDsCounter, 5074 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32969 IncrementalHoareTripleChecker+Invalid, 38043 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5074 mSolverCounterUnsat, 1801 mSDtfsCounter, 32969 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9259 GetRequests, 8978 SyntacticMatches, 6 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26135occurred in iteration=13, InterpolantAutomatonStates: 233, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 10931 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1014 PreInvPairs, 1278 NumberOfFragments, 1581 HoareAnnotationTreeSize, 1014 FomulaSimplifications, 56148 FormulaSimplificationTreeSizeReduction, 12.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 39542 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 10686 NumberOfCodeBlocks, 10686 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 14222 ConstructedInterpolants, 0 QuantifiedInterpolants, 44593 SizeOfPredicates, 17 NumberOfNonLiveVariables, 8912 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 38 InterpolantComputations, 9 PerfectInterpolantSequences, 16296/17490 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a25 == 12 && 245 < a29) && a29 <= 277) && a4 == 0) || ((((0 < 512969 + a29 / 5 && 11 <= a25) && a4 == 0) && a23 <= 138) && (!(a29 % 5 == 0) || 0 < 512968 + a29 / 5))) || ((((a25 == 12 && 0 < 512969 + a29 / 5) && a4 == 0) && a23 < 600391) && (!(a29 % 5 == 0) || 0 < 512968 + a29 / 5))) || ((a23 < 307 && 11 <= a25) && a4 == 1)) || \old(a23) < 312) || (a23 <= 138 && a4 == 1)) || (((((0 < 512969 + a29 / 5 && a23 < 307) && a4 == 0) && a25 <= 10) && !(a25 == 9)) && (!(a29 % 5 == 0) || 0 < 512968 + a29 / 5))) || ((((0 < 512969 + a29 / 5 && a23 < 600391) && 12 <= a25) && a4 == 1) && (!(a29 % 5 == 0) || 0 < 512968 + a29 / 5))) || ((((a29 < 141 && 0 < 512969 + a29 / 5) && a4 == 0) && a23 <= 138) && (!(a29 % 5 == 0) || 0 < 512968 + a29 / 5))) || (((a25 == 12 && 245 < a29) && a29 <= 277) && a4 == 1)) || 312 < \old(a23)) || 10 < \old(a25)) || (((((0 <= 5710 + a29 / 5 && 5689 + a29 / 5 <= 0) && a29 % 5 == 0) && a4 == 0) && a25 <= 10) && !(a25 == 9))) || (((a23 < 600391 && 12 <= a25) && a4 == 1) && 312 <= a23)) || (((a25 == 12 && 140 < a29) && a4 == 0) && a29 <= 245)) || (((!(a25 == 13) && 245 < a29) && !(a25 == 12)) && a4 == 1)) || ((((a25 == 12 && 0 < 512969 + a29 / 5) && a4 == 0) && a29 + 554036 <= 0) && (!(a29 % 5 == 0) || 0 < 512968 + a29 / 5))) || ((140 < a29 && a23 < 600391) && a4 == 1)) || (((a23 < 600391 && a25 <= 10) && a4 == 1) && 312 <= a23)) || ((245 < a29 && a4 == 0) && a23 <= 138)) || ((a23 < 307 && a4 == 1) && a25 <= 9)) || !(\old(a4) == 1)) || !(a8 == 15)) || 28553 + \old(a29) < 0) || ((((140 < a29 && a29 <= 245) && 12 <= a25) && a4 == 1) && 312 <= a23)) || 130 < \old(a29) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:20:20,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...