/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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:20:22,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:20:22,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:20:22,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:20:22,612 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 22:20:22,627 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:20:22,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:20:22,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:20:22,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:20:22,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:20:22,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:20:22,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:20:22,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:20:22,628 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:20:22,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:20:22,629 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:20:22,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:20:22,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:20:22,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:20:22,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:20:22,631 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:20:22,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:20:22,631 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:20:22,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:20:22,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:20:22,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:20:22,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:20:22,855 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:20:22,857 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:20:22,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label54.c [2023-04-01 22:20:23,811 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:20:24,056 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:20:24,056 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label54.c [2023-04-01 22:20:24,064 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/218ca6ac2/a08124623772498ca7fb849a15cdea74/FLAG39753c250 [2023-04-01 22:20:24,073 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/218ca6ac2/a08124623772498ca7fb849a15cdea74 [2023-04-01 22:20:24,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:20:24,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:20:24,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:20:24,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:20:24,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:20:24,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40723ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24, skipping insertion in model container [2023-04-01 22:20:24,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:20:24,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:20:24,241 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_label54.c[5423,5436] [2023-04-01 22:20:24,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:20:24,456 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:20:24,481 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_label54.c[5423,5436] [2023-04-01 22:20:24,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:20:24,585 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:20:24,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24 WrapperNode [2023-04-01 22:20:24,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:20:24,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:20:24,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:20:24,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:20:24,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,669 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:20:24,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:20:24,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:20:24,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:20:24,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (1/1) ... [2023-04-01 22:20:24,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:20:24,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:24,709 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 22:20:24,727 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 22:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:20:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:20:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:20:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:20:24,809 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:20:24,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:20:25,848 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:20:25,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:20:25,854 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:20:25,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:20:25 BoogieIcfgContainer [2023-04-01 22:20:25,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:20:25,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:20:25,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:20:25,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:20:25,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:20:24" (1/3) ... [2023-04-01 22:20:25,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4978678b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:20:25, skipping insertion in model container [2023-04-01 22:20:25,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:24" (2/3) ... [2023-04-01 22:20:25,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4978678b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:20:25, skipping insertion in model container [2023-04-01 22:20:25,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:20:25" (3/3) ... [2023-04-01 22:20:25,863 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label54.c [2023-04-01 22:20:25,874 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:20:25,874 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:20:25,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:20:25,930 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;@5791573f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:20:25,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:20:25,936 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 22:20:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 22:20:25,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:25,944 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] [2023-04-01 22:20:25,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:25,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:25,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1714005750, now seen corresponding path program 1 times [2023-04-01 22:20:25,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:25,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220712058] [2023-04-01 22:20:25,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:26,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:26,417 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 22:20:26,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:26,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220712058] [2023-04-01 22:20:26,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220712058] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:26,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:26,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 22:20:26,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278948992] [2023-04-01 22:20:26,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:26,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:20:26,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:26,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:20:26,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:20:26,445 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 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 22:20:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:27,747 INFO L93 Difference]: Finished difference Result 793 states and 1394 transitions. [2023-04-01 22:20:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:20:27,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 43 [2023-04-01 22:20:27,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:27,765 INFO L225 Difference]: With dead ends: 793 [2023-04-01 22:20:27,765 INFO L226 Difference]: Without dead ends: 437 [2023-04-01 22:20:27,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:27,776 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 798 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:27,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 60 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:20:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-04-01 22:20:27,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 422. [2023-04-01 22:20:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 413 states have (on average 1.6053268765133173) internal successors, (663), 414 states have internal predecessors, (663), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:20:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 673 transitions. [2023-04-01 22:20:27,849 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 673 transitions. Word has length 43 [2023-04-01 22:20:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:27,849 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 673 transitions. [2023-04-01 22:20:27,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 22:20:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 673 transitions. [2023-04-01 22:20:27,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-04-01 22:20:27,852 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:27,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:27,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:20:27,853 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:27,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:27,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1559111957, now seen corresponding path program 1 times [2023-04-01 22:20:27,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:27,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966905082] [2023-04-01 22:20:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:28,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:28,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966905082] [2023-04-01 22:20:28,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966905082] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:28,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:28,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:20:28,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191443421] [2023-04-01 22:20:28,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:28,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:20:28,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:28,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:20:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:20:28,270 INFO L87 Difference]: Start difference. First operand 422 states and 673 transitions. Second operand has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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 22:20:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:29,432 INFO L93 Difference]: Finished difference Result 1266 states and 2057 transitions. [2023-04-01 22:20:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:20:29,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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 112 [2023-04-01 22:20:29,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:29,436 INFO L225 Difference]: With dead ends: 1266 [2023-04-01 22:20:29,436 INFO L226 Difference]: Without dead ends: 850 [2023-04-01 22:20:29,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:20:29,438 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 684 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:29,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 122 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 22:20:29,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2023-04-01 22:20:29,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 824. [2023-04-01 22:20:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 803 states have (on average 1.4259028642590286) internal successors, (1145), 812 states have internal predecessors, (1145), 6 states have call successors, (6), 6 states have call predecessors, (6), 14 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-01 22:20:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1180 transitions. [2023-04-01 22:20:29,483 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1180 transitions. Word has length 112 [2023-04-01 22:20:29,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:29,484 INFO L495 AbstractCegarLoop]: Abstraction has 824 states and 1180 transitions. [2023-04-01 22:20:29,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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 22:20:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1180 transitions. [2023-04-01 22:20:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 22:20:29,485 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:29,485 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:29,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:20:29,485 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:29,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:29,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1608066194, now seen corresponding path program 1 times [2023-04-01 22:20:29,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:29,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793342177] [2023-04-01 22:20:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:29,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:29,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:29,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793342177] [2023-04-01 22:20:29,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793342177] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:29,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:29,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:20:29,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928057534] [2023-04-01 22:20:29,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:29,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:20:29,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:29,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:20:29,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:20:29,757 INFO L87 Difference]: Start difference. First operand 824 states and 1180 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 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 22:20:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:31,406 INFO L93 Difference]: Finished difference Result 2480 states and 3693 transitions. [2023-04-01 22:20:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 22:20:31,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 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 115 [2023-04-01 22:20:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:31,415 INFO L225 Difference]: With dead ends: 2480 [2023-04-01 22:20:31,415 INFO L226 Difference]: Without dead ends: 1662 [2023-04-01 22:20:31,420 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 22:20:31,422 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1258 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1576 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:31,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 147 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1576 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:20:31,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2023-04-01 22:20:31,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1624. [2023-04-01 22:20:31,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1573 states have (on average 1.3356643356643356) internal successors, (2101), 1604 states have internal predecessors, (2101), 10 states have call successors, (10), 10 states have call predecessors, (10), 40 states have return successors, (123), 9 states have call predecessors, (123), 9 states have call successors, (123) [2023-04-01 22:20:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2234 transitions. [2023-04-01 22:20:31,473 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2234 transitions. Word has length 115 [2023-04-01 22:20:31,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:31,473 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2234 transitions. [2023-04-01 22:20:31,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 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 22:20:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2234 transitions. [2023-04-01 22:20:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-04-01 22:20:31,475 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:31,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:31,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 22:20:31,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:31,475 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:31,475 INFO L85 PathProgramCache]: Analyzing trace with hash 2122956467, now seen corresponding path program 1 times [2023-04-01 22:20:31,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:31,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771928812] [2023-04-01 22:20:31,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:31,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:31,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771928812] [2023-04-01 22:20:31,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771928812] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:31,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393073207] [2023-04-01 22:20:31,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:31,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:31,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:31,669 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 22:20:31,701 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 22:20:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:31,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:20:31,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:32,120 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:32,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393073207] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:32,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:32,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-04-01 22:20:32,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086506072] [2023-04-01 22:20:32,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:32,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:20:32,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:32,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:20:32,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:20:32,124 INFO L87 Difference]: Start difference. First operand 1624 states and 2234 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 22:20:33,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:33,189 INFO L93 Difference]: Finished difference Result 3872 states and 5340 transitions. [2023-04-01 22:20:33,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:20:33,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 116 [2023-04-01 22:20:33,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:33,198 INFO L225 Difference]: With dead ends: 3872 [2023-04-01 22:20:33,198 INFO L226 Difference]: Without dead ends: 2254 [2023-04-01 22:20:33,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:20:33,205 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 495 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:33,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 125 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:20:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2023-04-01 22:20:33,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2212. [2023-04-01 22:20:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 2143 states have (on average 1.2575828278114793) internal successors, (2695), 2186 states have internal predecessors, (2695), 13 states have call successors, (13), 13 states have call predecessors, (13), 55 states have return successors, (185), 12 states have call predecessors, (185), 12 states have call successors, (185) [2023-04-01 22:20:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2893 transitions. [2023-04-01 22:20:33,251 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2893 transitions. Word has length 116 [2023-04-01 22:20:33,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:33,252 INFO L495 AbstractCegarLoop]: Abstraction has 2212 states and 2893 transitions. [2023-04-01 22:20:33,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 22:20:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2893 transitions. [2023-04-01 22:20:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-01 22:20:33,255 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:33,255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:33,265 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 22:20:33,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:33,463 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:33,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:33,466 INFO L85 PathProgramCache]: Analyzing trace with hash 694664730, now seen corresponding path program 1 times [2023-04-01 22:20:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:33,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31414338] [2023-04-01 22:20:33,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:33,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:33,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:33,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31414338] [2023-04-01 22:20:33,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31414338] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:33,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:33,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 22:20:33,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897552170] [2023-04-01 22:20:33,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:33,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:20:33,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:33,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:20:33,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:20:33,681 INFO L87 Difference]: Start difference. First operand 2212 states and 2893 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 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 22:20:34,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:34,589 INFO L93 Difference]: Finished difference Result 5570 states and 7633 transitions. [2023-04-01 22:20:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:20:34,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 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 174 [2023-04-01 22:20:34,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:34,601 INFO L225 Difference]: With dead ends: 5570 [2023-04-01 22:20:34,601 INFO L226 Difference]: Without dead ends: 3552 [2023-04-01 22:20:34,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:34,606 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 1030 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:34,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 74 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:20:34,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3552 states. [2023-04-01 22:20:34,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3552 to 3358. [2023-04-01 22:20:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3358 states, 3268 states have (on average 1.214810281517748) internal successors, (3970), 3320 states have internal predecessors, (3970), 19 states have call successors, (19), 19 states have call predecessors, (19), 70 states have return successors, (299), 18 states have call predecessors, (299), 18 states have call successors, (299) [2023-04-01 22:20:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 4288 transitions. [2023-04-01 22:20:34,682 INFO L78 Accepts]: Start accepts. Automaton has 3358 states and 4288 transitions. Word has length 174 [2023-04-01 22:20:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:34,683 INFO L495 AbstractCegarLoop]: Abstraction has 3358 states and 4288 transitions. [2023-04-01 22:20:34,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 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 22:20:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3358 states and 4288 transitions. [2023-04-01 22:20:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-01 22:20:34,686 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:34,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:34,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 22:20:34,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:34,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:34,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1127566257, now seen corresponding path program 1 times [2023-04-01 22:20:34,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:34,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679750984] [2023-04-01 22:20:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-01 22:20:35,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:35,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679750984] [2023-04-01 22:20:35,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679750984] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:35,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195961367] [2023-04-01 22:20:35,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:35,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:35,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:35,013 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 22:20:35,025 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 22:20:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:35,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 22:20:35,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-01 22:20:35,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:20:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-01 22:20:35,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195961367] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:35,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:20:35,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-04-01 22:20:35,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265339404] [2023-04-01 22:20:35,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:35,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:20:35,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:35,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:20:35,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:20:35,761 INFO L87 Difference]: Start difference. First operand 3358 states and 4288 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:20:36,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:36,297 INFO L93 Difference]: Finished difference Result 7505 states and 9746 transitions. [2023-04-01 22:20:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 22:20:36,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 190 [2023-04-01 22:20:36,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:36,326 INFO L225 Difference]: With dead ends: 7505 [2023-04-01 22:20:36,327 INFO L226 Difference]: Without dead ends: 4341 [2023-04-01 22:20:36,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:20:36,341 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 277 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:36,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 95 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:20:36,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4341 states. [2023-04-01 22:20:36,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4341 to 4142. [2023-04-01 22:20:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4142 states, 4028 states have (on average 1.208291956305859) internal successors, (4867), 4096 states have internal predecessors, (4867), 23 states have call successors, (23), 23 states have call predecessors, (23), 90 states have return successors, (478), 22 states have call predecessors, (478), 22 states have call successors, (478) [2023-04-01 22:20:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 5368 transitions. [2023-04-01 22:20:36,457 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 5368 transitions. Word has length 190 [2023-04-01 22:20:36,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:36,457 INFO L495 AbstractCegarLoop]: Abstraction has 4142 states and 5368 transitions. [2023-04-01 22:20:36,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:20:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 5368 transitions. [2023-04-01 22:20:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-04-01 22:20:36,459 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:36,460 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:20:36,475 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 22:20:36,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 22:20:36,665 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:36,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:36,665 INFO L85 PathProgramCache]: Analyzing trace with hash -496966487, now seen corresponding path program 1 times [2023-04-01 22:20:36,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:36,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318666420] [2023-04-01 22:20:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:36,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:20:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 22:20:36,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:36,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318666420] [2023-04-01 22:20:36,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318666420] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:36,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634940806] [2023-04-01 22:20:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:36,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:36,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:37,003 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 22:20:37,004 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 22:20:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:37,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:20:37,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:22,669 WARN L223 SmtUtils]: Spent 36.56s on a formula simplification. DAG size of input: 200 DAG size of output: 91 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-01 22:21:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 22:21:22,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 22:21:23,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634940806] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:23,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:21:23,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 6] total 9 [2023-04-01 22:21:23,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989119211] [2023-04-01 22:21:23,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:21:23,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:21:23,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:23,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:21:23,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=47, Unknown=4, NotChecked=0, Total=72 [2023-04-01 22:21:23,173 INFO L87 Difference]: Start difference. First operand 4142 states and 5368 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 22:21:23,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:23,955 INFO L93 Difference]: Finished difference Result 9620 states and 12659 transitions. [2023-04-01 22:21:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:21:23,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 232 [2023-04-01 22:21:23,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:23,975 INFO L225 Difference]: With dead ends: 9620 [2023-04-01 22:21:23,976 INFO L226 Difference]: Without dead ends: 5672 [2023-04-01 22:21:23,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 465 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 44.8s TimeCoverageRelationStatistics Valid=21, Invalid=47, Unknown=4, NotChecked=0, Total=72 [2023-04-01 22:21:23,984 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 179 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:23,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 368 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:21:23,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2023-04-01 22:21:24,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 5288. [2023-04-01 22:21:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5288 states, 5153 states have (on average 1.1696099359596352) internal successors, (6027), 5230 states have internal predecessors, (6027), 29 states have call successors, (29), 29 states have call predecessors, (29), 105 states have return successors, (577), 28 states have call predecessors, (577), 28 states have call successors, (577) [2023-04-01 22:21:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5288 states to 5288 states and 6633 transitions. [2023-04-01 22:21:24,093 INFO L78 Accepts]: Start accepts. Automaton has 5288 states and 6633 transitions. Word has length 232 [2023-04-01 22:21:24,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:24,093 INFO L495 AbstractCegarLoop]: Abstraction has 5288 states and 6633 transitions. [2023-04-01 22:21:24,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 22:21:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5288 states and 6633 transitions. [2023-04-01 22:21:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-04-01 22:21:24,096 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:24,096 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:21:24,111 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 22:21:24,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:24,302 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:24,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:24,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1915617713, now seen corresponding path program 1 times [2023-04-01 22:21:24,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:24,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364622928] [2023-04-01 22:21:24,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:24,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:21:24,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:24,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364622928] [2023-04-01 22:21:24,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364622928] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:24,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982821421] [2023-04-01 22:21:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:24,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:24,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:24,773 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 22:21:24,807 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 22:21:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:24,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:21:24,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:21:25,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:21:26,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982821421] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:26,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:26,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2023-04-01 22:21:26,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036841651] [2023-04-01 22:21:26,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:26,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:21:26,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:26,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:21:26,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:21:26,045 INFO L87 Difference]: Start difference. First operand 5288 states and 6633 transitions. Second operand has 14 states, 14 states have (on average 32.07142857142857) internal successors, (449), 12 states have internal predecessors, (449), 6 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:21:32,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:32,559 INFO L93 Difference]: Finished difference Result 17246 states and 22352 transitions. [2023-04-01 22:21:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-04-01 22:21:32,560 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 32.07142857142857) internal successors, (449), 12 states have internal predecessors, (449), 6 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) Word has length 255 [2023-04-01 22:21:32,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:32,593 INFO L225 Difference]: With dead ends: 17246 [2023-04-01 22:21:32,593 INFO L226 Difference]: Without dead ends: 12152 [2023-04-01 22:21:32,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2044 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=931, Invalid=5075, Unknown=0, NotChecked=0, Total=6006 [2023-04-01 22:21:32,603 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 4106 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 5736 mSolverCounterSat, 1112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4106 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 6848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1112 IncrementalHoareTripleChecker+Valid, 5736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:32,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4106 Valid, 474 Invalid, 6848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1112 Valid, 5736 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-04-01 22:21:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12152 states. [2023-04-01 22:21:32,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12152 to 11152. [2023-04-01 22:21:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11152 states, 10860 states have (on average 1.1572744014732965) internal successors, (12568), 11034 states have internal predecessors, (12568), 59 states have call successors, (59), 59 states have call predecessors, (59), 232 states have return successors, (1454), 58 states have call predecessors, (1454), 58 states have call successors, (1454) [2023-04-01 22:21:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11152 states to 11152 states and 14081 transitions. [2023-04-01 22:21:32,847 INFO L78 Accepts]: Start accepts. Automaton has 11152 states and 14081 transitions. Word has length 255 [2023-04-01 22:21:32,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:32,847 INFO L495 AbstractCegarLoop]: Abstraction has 11152 states and 14081 transitions. [2023-04-01 22:21:32,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 32.07142857142857) internal successors, (449), 12 states have internal predecessors, (449), 6 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:21:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand 11152 states and 14081 transitions. [2023-04-01 22:21:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-04-01 22:21:32,851 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:32,852 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:32,871 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 22:21:33,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:33,057 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:33,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:33,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1337757677, now seen corresponding path program 1 times [2023-04-01 22:21:33,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:33,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957603641] [2023-04-01 22:21:33,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:33,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-01 22:21:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-01 22:21:33,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:33,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957603641] [2023-04-01 22:21:33,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957603641] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:33,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209012940] [2023-04-01 22:21:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:33,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:33,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:33,305 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 22:21:33,307 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 22:21:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:33,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:21:33,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-01 22:21:33,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-01 22:21:33,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209012940] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:33,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:21:33,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-04-01 22:21:33,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369397528] [2023-04-01 22:21:33,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:21:33,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:21:33,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:33,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:21:33,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:21:33,927 INFO L87 Difference]: Start difference. First operand 11152 states and 14081 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 22:21:34,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:34,705 INFO L93 Difference]: Finished difference Result 26464 states and 33810 transitions. [2023-04-01 22:21:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:21:34,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 286 [2023-04-01 22:21:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:34,740 INFO L225 Difference]: With dead ends: 26464 [2023-04-01 22:21:34,740 INFO L226 Difference]: Without dead ends: 15696 [2023-04-01 22:21:34,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 575 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:21:34,759 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 200 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:34,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 85 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:21:34,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15696 states. [2023-04-01 22:21:35,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15696 to 15302. [2023-04-01 22:21:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15302 states, 14958 states have (on average 1.1526273565984757) internal successors, (17241), 15140 states have internal predecessors, (17241), 81 states have call successors, (81), 81 states have call predecessors, (81), 262 states have return successors, (2027), 80 states have call predecessors, (2027), 80 states have call successors, (2027) [2023-04-01 22:21:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15302 states to 15302 states and 19349 transitions. [2023-04-01 22:21:35,041 INFO L78 Accepts]: Start accepts. Automaton has 15302 states and 19349 transitions. Word has length 286 [2023-04-01 22:21:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:35,041 INFO L495 AbstractCegarLoop]: Abstraction has 15302 states and 19349 transitions. [2023-04-01 22:21:35,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 22:21:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 15302 states and 19349 transitions. [2023-04-01 22:21:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-04-01 22:21:35,050 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:35,050 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:21:35,069 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 22:21:35,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:35,255 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:35,255 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:35,255 INFO L85 PathProgramCache]: Analyzing trace with hash 123084634, now seen corresponding path program 1 times [2023-04-01 22:21:35,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:35,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980987564] [2023-04-01 22:21:35,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-01 22:21:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 7 proven. 68 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-04-01 22:21:35,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:35,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980987564] [2023-04-01 22:21:35,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980987564] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:35,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978530328] [2023-04-01 22:21:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:35,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:35,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:35,958 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 22:21:35,959 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 22:21:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:36,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:21:36,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-04-01 22:21:36,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-04-01 22:21:37,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978530328] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:37,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:21:37,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2023-04-01 22:21:37,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565588923] [2023-04-01 22:21:37,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:21:37,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 22:21:37,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:37,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 22:21:37,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:21:37,472 INFO L87 Difference]: Start difference. First operand 15302 states and 19349 transitions. Second operand has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 5 states have internal predecessors, (187), 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 22:21:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:38,959 INFO L93 Difference]: Finished difference Result 37108 states and 47138 transitions. [2023-04-01 22:21:38,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 22:21:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 5 states have internal predecessors, (187), 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 334 [2023-04-01 22:21:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:39,018 INFO L225 Difference]: With dead ends: 37108 [2023-04-01 22:21:39,018 INFO L226 Difference]: Without dead ends: 22190 [2023-04-01 22:21:39,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 668 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:21:39,040 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 635 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:39,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 108 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:21:39,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22190 states. [2023-04-01 22:21:39,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22190 to 21808. [2023-04-01 22:21:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21808 states, 21345 states have (on average 1.1486530803466855) internal successors, (24518), 21578 states have internal predecessors, (24518), 115 states have call successors, (115), 115 states have call predecessors, (115), 347 states have return successors, (2813), 114 states have call predecessors, (2813), 114 states have call successors, (2813) [2023-04-01 22:21:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21808 states to 21808 states and 27446 transitions. [2023-04-01 22:21:39,515 INFO L78 Accepts]: Start accepts. Automaton has 21808 states and 27446 transitions. Word has length 334 [2023-04-01 22:21:39,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:39,515 INFO L495 AbstractCegarLoop]: Abstraction has 21808 states and 27446 transitions. [2023-04-01 22:21:39,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 5 states have internal predecessors, (187), 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 22:21:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 21808 states and 27446 transitions. [2023-04-01 22:21:39,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-04-01 22:21:39,556 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:39,556 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-04-01 22:21:39,573 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 22:21:39,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:39,762 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:39,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:39,763 INFO L85 PathProgramCache]: Analyzing trace with hash 928126021, now seen corresponding path program 1 times [2023-04-01 22:21:39,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:39,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009483189] [2023-04-01 22:21:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:39,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:40,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-01 22:21:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-04-01 22:21:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2023-04-01 22:21:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 329 proven. 88 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2023-04-01 22:21:40,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:40,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009483189] [2023-04-01 22:21:40,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009483189] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:40,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911208671] [2023-04-01 22:21:40,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:40,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:40,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:40,366 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 22:21:40,368 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 22:21:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:40,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:40,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 663 proven. 2 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2023-04-01 22:21:40,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 331 proven. 89 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-04-01 22:21:41,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911208671] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:41,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:41,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:21:41,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814584964] [2023-04-01 22:21:41,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:41,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:21:41,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:41,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:21:41,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:21:41,068 INFO L87 Difference]: Start difference. First operand 21808 states and 27446 transitions. Second operand has 12 states, 12 states have (on average 48.916666666666664) internal successors, (587), 10 states have internal predecessors, (587), 4 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 22:21:43,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:43,267 INFO L93 Difference]: Finished difference Result 49322 states and 61826 transitions. [2023-04-01 22:21:43,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:21:43,268 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 48.916666666666664) internal successors, (587), 10 states have internal predecessors, (587), 4 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 599 [2023-04-01 22:21:43,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:43,332 INFO L225 Difference]: With dead ends: 49322 [2023-04-01 22:21:43,332 INFO L226 Difference]: Without dead ends: 27898 [2023-04-01 22:21:43,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1222 GetRequests, 1206 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2023-04-01 22:21:43,357 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 1481 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 2159 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:43,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 148 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2159 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 22:21:43,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27898 states. [2023-04-01 22:21:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27898 to 26927. [2023-04-01 22:21:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26927 states, 26385 states have (on average 1.140496494220201) internal successors, (30092), 26643 states have internal predecessors, (30092), 142 states have call successors, (142), 142 states have call predecessors, (142), 399 states have return successors, (3220), 141 states have call predecessors, (3220), 141 states have call successors, (3220) [2023-04-01 22:21:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26927 states to 26927 states and 33454 transitions. [2023-04-01 22:21:43,951 INFO L78 Accepts]: Start accepts. Automaton has 26927 states and 33454 transitions. Word has length 599 [2023-04-01 22:21:43,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:43,951 INFO L495 AbstractCegarLoop]: Abstraction has 26927 states and 33454 transitions. [2023-04-01 22:21:43,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 48.916666666666664) internal successors, (587), 10 states have internal predecessors, (587), 4 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 22:21:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 26927 states and 33454 transitions. [2023-04-01 22:21:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2023-04-01 22:21:43,997 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:43,997 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:44,011 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 22:21:44,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:44,203 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:44,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash -789877146, now seen corresponding path program 1 times [2023-04-01 22:21:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:44,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905121891] [2023-04-01 22:21:44,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:44,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:44,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-04-01 22:21:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-04-01 22:21:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2023-04-01 22:21:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 435 proven. 205 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-04-01 22:21:44,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:44,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905121891] [2023-04-01 22:21:44,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905121891] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:44,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628880661] [2023-04-01 22:21:44,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:44,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:44,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:44,870 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 22:21:44,872 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 22:21:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:45,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 22:21:45,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 756 proven. 2 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-04-01 22:21:45,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 196 proven. 784 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-04-01 22:21:46,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628880661] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:46,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:46,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 18 [2023-04-01 22:21:46,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772824232] [2023-04-01 22:21:46,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:46,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-01 22:21:46,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:46,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-01 22:21:46,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:21:46,222 INFO L87 Difference]: Start difference. First operand 26927 states and 33454 transitions. Second operand has 18 states, 18 states have (on average 45.833333333333336) internal successors, (825), 16 states have internal predecessors, (825), 7 states have call successors, (14), 9 states have call predecessors, (14), 10 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-04-01 22:21:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:53,793 INFO L93 Difference]: Finished difference Result 73490 states and 92675 transitions. [2023-04-01 22:21:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-04-01 22:21:53,793 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 45.833333333333336) internal successors, (825), 16 states have internal predecessors, (825), 7 states have call successors, (14), 9 states have call predecessors, (14), 10 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 663 [2023-04-01 22:21:53,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:53,882 INFO L225 Difference]: With dead ends: 73490 [2023-04-01 22:21:53,882 INFO L226 Difference]: Without dead ends: 46947 [2023-04-01 22:21:53,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1481 GetRequests, 1388 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3057 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1393, Invalid=7537, Unknown=0, NotChecked=0, Total=8930 [2023-04-01 22:21:53,912 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 5782 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 8396 mSolverCounterSat, 1152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5787 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 9548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 8396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:53,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5787 Valid, 402 Invalid, 9548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1152 Valid, 8396 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-04-01 22:21:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46947 states. [2023-04-01 22:21:54,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46947 to 39985. [2023-04-01 22:21:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39985 states, 39189 states have (on average 1.1346040980887493) internal successors, (44464), 39565 states have internal predecessors, (44464), 210 states have call successors, (210), 210 states have call predecessors, (210), 585 states have return successors, (4607), 209 states have call predecessors, (4607), 209 states have call successors, (4607) [2023-04-01 22:21:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39985 states to 39985 states and 49281 transitions. [2023-04-01 22:21:54,634 INFO L78 Accepts]: Start accepts. Automaton has 39985 states and 49281 transitions. Word has length 663 [2023-04-01 22:21:54,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:54,635 INFO L495 AbstractCegarLoop]: Abstraction has 39985 states and 49281 transitions. [2023-04-01 22:21:54,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 45.833333333333336) internal successors, (825), 16 states have internal predecessors, (825), 7 states have call successors, (14), 9 states have call predecessors, (14), 10 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-04-01 22:21:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 39985 states and 49281 transitions. [2023-04-01 22:21:54,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2023-04-01 22:21:54,702 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:54,703 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-04-01 22:21:54,708 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 22:21:54,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-01 22:21:54,909 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:54,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:54,909 INFO L85 PathProgramCache]: Analyzing trace with hash 243471394, now seen corresponding path program 1 times [2023-04-01 22:21:54,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:54,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315454764] [2023-04-01 22:21:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:54,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:55,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-04-01 22:21:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2023-04-01 22:21:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2023-04-01 22:21:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 436 proven. 546 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-04-01 22:21:56,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315454764] [2023-04-01 22:21:56,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315454764] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541001011] [2023-04-01 22:21:56,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:56,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:56,276 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 22:21:56,277 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 22:21:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:56,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:56,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 890 proven. 2 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-04-01 22:21:56,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 463 proven. 89 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2023-04-01 22:21:57,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541001011] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:57,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:57,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2023-04-01 22:21:57,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056022763] [2023-04-01 22:21:57,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:57,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-01 22:21:57,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:57,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-01 22:21:57,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2023-04-01 22:21:57,171 INFO L87 Difference]: Start difference. First operand 39985 states and 49281 transitions. Second operand has 17 states, 17 states have (on average 42.94117647058823) internal successors, (730), 15 states have internal predecessors, (730), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 22:22:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:22:05,230 INFO L93 Difference]: Finished difference Result 85187 states and 105929 transitions. [2023-04-01 22:22:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-04-01 22:22:05,230 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 42.94117647058823) internal successors, (730), 15 states have internal predecessors, (730), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 665 [2023-04-01 22:22:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:22:05,331 INFO L225 Difference]: With dead ends: 85187 [2023-04-01 22:22:05,331 INFO L226 Difference]: Without dead ends: 45396 [2023-04-01 22:22:05,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1508 GetRequests, 1405 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3546 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1740, Invalid=8766, Unknown=0, NotChecked=0, Total=10506 [2023-04-01 22:22:05,383 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 2903 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 6811 mSolverCounterSat, 932 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 7743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 932 IncrementalHoareTripleChecker+Valid, 6811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:22:05,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2903 Valid, 458 Invalid, 7743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [932 Valid, 6811 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-01 22:22:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45396 states. [2023-04-01 22:22:06,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45396 to 44135. [2023-04-01 22:22:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44135 states, 43095 states have (on average 1.1010790114862512) internal successors, (47451), 43675 states have internal predecessors, (47451), 230 states have call successors, (230), 230 states have call predecessors, (230), 809 states have return successors, (3886), 229 states have call predecessors, (3886), 229 states have call successors, (3886) [2023-04-01 22:22:06,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44135 states to 44135 states and 51567 transitions. [2023-04-01 22:22:06,167 INFO L78 Accepts]: Start accepts. Automaton has 44135 states and 51567 transitions. Word has length 665 [2023-04-01 22:22:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:22:06,168 INFO L495 AbstractCegarLoop]: Abstraction has 44135 states and 51567 transitions. [2023-04-01 22:22:06,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 42.94117647058823) internal successors, (730), 15 states have internal predecessors, (730), 6 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 22:22:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 44135 states and 51567 transitions. [2023-04-01 22:22:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2023-04-01 22:22:06,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:22:06,216 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:22:06,232 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 22:22:06,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 22:22:06,422 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:22:06,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:22:06,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1237302797, now seen corresponding path program 1 times [2023-04-01 22:22:06,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:22:06,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025937922] [2023-04-01 22:22:06,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:22:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:22:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:22:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:22:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-01 22:22:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-04-01 22:22:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2023-04-01 22:22:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-04-01 22:22:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2023-04-01 22:22:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2469 backedges. 297 proven. 6 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked. [2023-04-01 22:22:06,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:22:06,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025937922] [2023-04-01 22:22:06,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025937922] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:22:06,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607293130] [2023-04-01 22:22:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:06,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:22:06,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:22:06,874 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 22:22:06,904 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 22:22:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:07,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 22:22:07,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:22:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2469 backedges. 1423 proven. 0 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2023-04-01 22:22:07,259 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:22:07,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607293130] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:22:07,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:22:07,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-04-01 22:22:07,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746020062] [2023-04-01 22:22:07,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:22:07,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:22:07,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:22:07,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:22:07,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:22:07,261 INFO L87 Difference]: Start difference. First operand 44135 states and 51567 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-01 22:22:08,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:22:08,175 INFO L93 Difference]: Finished difference Result 84153 states and 98114 transitions. [2023-04-01 22:22:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:22:08,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 882 [2023-04-01 22:22:08,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:22:08,251 INFO L225 Difference]: With dead ends: 84153 [2023-04-01 22:22:08,252 INFO L226 Difference]: Without dead ends: 40182 [2023-04-01 22:22:08,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 898 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:22:08,300 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 196 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:22:08,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 350 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:22:08,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40182 states. [2023-04-01 22:22:08,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40182 to 40178. [2023-04-01 22:22:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40178 states, 39265 states have (on average 1.0865401757290207) internal successors, (42663), 39758 states have internal predecessors, (42663), 210 states have call successors, (210), 210 states have call predecessors, (210), 702 states have return successors, (2948), 209 states have call predecessors, (2948), 209 states have call successors, (2948) [2023-04-01 22:22:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40178 states to 40178 states and 45821 transitions. [2023-04-01 22:22:08,974 INFO L78 Accepts]: Start accepts. Automaton has 40178 states and 45821 transitions. Word has length 882 [2023-04-01 22:22:08,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:22:08,975 INFO L495 AbstractCegarLoop]: Abstraction has 40178 states and 45821 transitions. [2023-04-01 22:22:08,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-01 22:22:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 40178 states and 45821 transitions. [2023-04-01 22:22:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2023-04-01 22:22:09,015 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:22:09,016 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:22:09,023 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 22:22:09,221 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,SelfDestructingSolverStorable13 [2023-04-01 22:22:09,222 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:22:09,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:22:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1378142797, now seen corresponding path program 1 times [2023-04-01 22:22:09,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:22:09,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127371075] [2023-04-01 22:22:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:09,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:22:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:22:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:22:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:22:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-01 22:22:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-04-01 22:22:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2023-04-01 22:22:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2023-04-01 22:22:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2023-04-01 22:22:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 805 [2023-04-01 22:22:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3179 backedges. 873 proven. 94 refuted. 0 times theorem prover too weak. 2212 trivial. 0 not checked. [2023-04-01 22:22:09,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:22:09,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127371075] [2023-04-01 22:22:09,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127371075] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:22:09,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612038122] [2023-04-01 22:22:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:09,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:22:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:22:09,956 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 22:22:09,958 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 22:22:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:10,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:22:10,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:22:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3179 backedges. 1609 proven. 2 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2023-04-01 22:22:10,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:22:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3179 backedges. 879 proven. 95 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2023-04-01 22:22:10,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612038122] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:22:10,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:22:10,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 9 [2023-04-01 22:22:10,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139736367] [2023-04-01 22:22:10,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:22:10,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 22:22:10,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:22:10,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 22:22:10,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:22:10,838 INFO L87 Difference]: Start difference. First operand 40178 states and 45821 transitions. Second operand has 9 states, 9 states have (on average 63.888888888888886) internal successors, (575), 7 states have internal predecessors, (575), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:22:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:22:12,499 INFO L93 Difference]: Finished difference Result 87698 states and 100389 transitions. [2023-04-01 22:22:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-01 22:22:12,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 63.888888888888886) internal successors, (575), 7 states have internal predecessors, (575), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 984 [2023-04-01 22:22:12,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:22:12,571 INFO L225 Difference]: With dead ends: 87698 [2023-04-01 22:22:12,571 INFO L226 Difference]: Without dead ends: 47716 [2023-04-01 22:22:12,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2003 GetRequests, 1987 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:22:12,595 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1060 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:22:12,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 106 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 22:22:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47716 states. [2023-04-01 22:22:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47716 to 46486. [2023-04-01 22:22:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46486 states, 45455 states have (on average 1.0838851611483886) internal successors, (49268), 46000 states have internal predecessors, (49268), 243 states have call successors, (243), 243 states have call predecessors, (243), 787 states have return successors, (3458), 242 states have call predecessors, (3458), 242 states have call successors, (3458) [2023-04-01 22:22:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46486 states to 46486 states and 52969 transitions. [2023-04-01 22:22:13,333 INFO L78 Accepts]: Start accepts. Automaton has 46486 states and 52969 transitions. Word has length 984 [2023-04-01 22:22:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:22:13,334 INFO L495 AbstractCegarLoop]: Abstraction has 46486 states and 52969 transitions. [2023-04-01 22:22:13,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 63.888888888888886) internal successors, (575), 7 states have internal predecessors, (575), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:22:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 46486 states and 52969 transitions. [2023-04-01 22:22:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2023-04-01 22:22:13,377 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:22:13,377 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 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, 1, 1] [2023-04-01 22:22:13,382 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 22:22:13,582 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,SelfDestructingSolverStorable14 [2023-04-01 22:22:13,583 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:22:13,583 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:22:13,583 INFO L85 PathProgramCache]: Analyzing trace with hash -960546590, now seen corresponding path program 1 times [2023-04-01 22:22:13,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:22:13,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023800222] [2023-04-01 22:22:13,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:13,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:22:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:22:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:22:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:22:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-01 22:22:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-04-01 22:22:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2023-04-01 22:22:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2023-04-01 22:22:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2023-04-01 22:22:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-04-01 22:22:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3370 backedges. 1015 proven. 143 refuted. 0 times theorem prover too weak. 2212 trivial. 0 not checked. [2023-04-01 22:22:14,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:22:14,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023800222] [2023-04-01 22:22:14,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023800222] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:22:14,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347864964] [2023-04-01 22:22:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:14,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:22:14,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:22:14,440 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 22:22:14,472 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 22:22:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:14,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:22:14,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:22:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3370 backedges. 1800 proven. 2 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2023-04-01 22:22:14,906 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:22:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3370 backedges. 1021 proven. 144 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2023-04-01 22:22:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347864964] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:22:15,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:22:15,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 9 [2023-04-01 22:22:15,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341178856] [2023-04-01 22:22:15,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:22:15,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 22:22:15,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:22:15,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 22:22:15,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:22:15,321 INFO L87 Difference]: Start difference. First operand 46486 states and 52969 transitions. Second operand has 9 states, 9 states have (on average 86.22222222222223) internal successors, (776), 7 states have internal predecessors, (776), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:22:17,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:22:17,007 INFO L93 Difference]: Finished difference Result 86822 states and 99168 transitions. [2023-04-01 22:22:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 22:22:17,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.22222222222223) internal successors, (776), 7 states have internal predecessors, (776), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 1051 [2023-04-01 22:22:17,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:22:17,076 INFO L225 Difference]: With dead ends: 86822 [2023-04-01 22:22:17,076 INFO L226 Difference]: Without dead ends: 40532 [2023-04-01 22:22:17,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2138 GetRequests, 2120 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:22:17,123 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 729 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:22:17,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 98 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:22:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40532 states. [2023-04-01 22:22:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40532 to 39314. [2023-04-01 22:22:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39314 states, 38462 states have (on average 1.0702251572981125) internal successors, (41163), 38902 states have internal predecessors, (41163), 206 states have call successors, (206), 206 states have call predecessors, (206), 645 states have return successors, (2472), 205 states have call predecessors, (2472), 205 states have call successors, (2472) [2023-04-01 22:22:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39314 states to 39314 states and 43841 transitions. [2023-04-01 22:22:17,817 INFO L78 Accepts]: Start accepts. Automaton has 39314 states and 43841 transitions. Word has length 1051 [2023-04-01 22:22:17,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:22:17,818 INFO L495 AbstractCegarLoop]: Abstraction has 39314 states and 43841 transitions. [2023-04-01 22:22:17,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.22222222222223) internal successors, (776), 7 states have internal predecessors, (776), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:22:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 39314 states and 43841 transitions. [2023-04-01 22:22:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2023-04-01 22:22:17,860 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:22:17,860 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2023-04-01 22:22:17,868 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 22:22:18,066 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,SelfDestructingSolverStorable15 [2023-04-01 22:22:18,066 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:22:18,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:22:18,067 INFO L85 PathProgramCache]: Analyzing trace with hash 613028104, now seen corresponding path program 1 times [2023-04-01 22:22:18,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:22:18,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540298897] [2023-04-01 22:22:18,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:18,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:22:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:22:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:18,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:22:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:22:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-04-01 22:22:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2023-04-01 22:22:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2023-04-01 22:22:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2023-04-01 22:22:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2023-04-01 22:22:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2023-04-01 22:22:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1000 [2023-04-01 22:22:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 615 proven. 681 refuted. 0 times theorem prover too weak. 3156 trivial. 0 not checked. [2023-04-01 22:22:19,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:22:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540298897] [2023-04-01 22:22:19,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540298897] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:22:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040805125] [2023-04-01 22:22:19,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:22:19,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:22:19,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:22:19,396 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 22:22:19,398 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 22:22:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:22:19,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:22:19,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:22:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 2505 proven. 2 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2023-04-01 22:22:19,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:22:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 949 proven. 186 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2023-04-01 22:22:20,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040805125] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:22:20,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:22:20,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2023-04-01 22:22:20,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239602707] [2023-04-01 22:22:20,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:22:20,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:22:20,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:22:20,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:22:20,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:22:20,548 INFO L87 Difference]: Start difference. First operand 39314 states and 43841 transitions. Second operand has 14 states, 14 states have (on average 45.07142857142857) internal successors, (631), 12 states have internal predecessors, (631), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:22:24,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:22:24,620 INFO L93 Difference]: Finished difference Result 61336 states and 68282 transitions. [2023-04-01 22:22:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-01 22:22:24,621 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 45.07142857142857) internal successors, (631), 12 states have internal predecessors, (631), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 1179 [2023-04-01 22:22:24,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:22:24,622 INFO L225 Difference]: With dead ends: 61336 [2023-04-01 22:22:24,622 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:22:24,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2443 GetRequests, 2397 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=471, Invalid=1785, Unknown=0, NotChecked=0, Total=2256 [2023-04-01 22:22:24,660 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1764 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 4463 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 4463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:22:24,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 196 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 4463 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-01 22:22:24,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:22:24,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:22:24,661 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 22:22:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:22:24,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1179 [2023-04-01 22:22:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:22:24,662 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:22:24,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 45.07142857142857) internal successors, (631), 12 states have internal predecessors, (631), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:22:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:22:24,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:22:24,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:22:24,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-04-01 22:22:24,870 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,SelfDestructingSolverStorable16 [2023-04-01 22:22:24,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:22:34,318 WARN L223 SmtUtils]: Spent 9.44s on a formula simplification. DAG size of input: 538 DAG size of output: 494 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:22:45,660 WARN L223 SmtUtils]: Spent 8.92s on a formula simplification. DAG size of input: 538 DAG size of output: 494 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:22:52,765 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:22:52,766 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:22:52,766 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:22:52,766 INFO L895 garLoopResultBuilder]: At program point L1052(line 1052) the Hoare annotation is: (let ((.cse1 (<= 10 ~a25~0)) (.cse8 (<= ~a23~0 138)) (.cse6 (not (= ~a25~0 10))) (.cse0 (not (= ~a25~0 13))) (.cse14 (<= ~a29~0 130)) (.cse9 (< ~a23~0 600042)) (.cse10 (<= 307 ~a23~0)) (.cse13 (<= 13 ~a25~0)) (.cse15 (< (+ ~a23~0 42) 0)) (.cse16 (= ~a4~0 0)) (.cse11 (<= 10250 ~a29~0)) (.cse17 (= ~a25~0 12)) (.cse12 (<= 0 (+ 599777 ~a23~0))) (.cse2 (<= ~a29~0 277)) (.cse7 (<= ~a25~0 10)) (.cse3 (<= 141 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse5 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse4) (and .cse9 .cse10 .cse7 .cse4) (and .cse11 .cse12 .cse4 .cse5 .cse13) (< |old(~a23~0)| 312) (and .cse9 .cse10 .cse3 .cse4) (and .cse7 .cse4 .cse5 .cse14) (and .cse0 .cse1 (< 0 (+ ~a23~0 43)) .cse8 .cse4 .cse6) (and .cse9 (<= ~a29~0 245) .cse3 .cse4) (and .cse12 .cse4 .cse5 .cse14 .cse13) (not (= ~a3~0 1)) (and .cse0 .cse15 .cse16 .cse14) (and .cse17 .cse2 .cse16 .cse3 .cse5) (< 312 |old(~a23~0)|) (< 10 |old(~a25~0)|) (< |old(~a25~0)| 10) (and .cse9 .cse10 .cse4 .cse13) (and .cse15 .cse16 (= ~a25~0 9) .cse11) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (and .cse17 .cse12 .cse4 .cse5) (< 130 |old(~a29~0)|) (and .cse2 .cse7 .cse3 .cse4 .cse5))) [2023-04-01 22:22:52,766 INFO L899 garLoopResultBuilder]: For program point L1052-1(line 1052) no Hoare annotation was computed. [2023-04-01 22:22:52,766 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-04-01 22:22:52,766 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:22:52,766 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse1 (<= 10 ~a25~0)) (.cse8 (<= ~a23~0 138)) (.cse6 (not (= ~a25~0 10))) (.cse0 (not (= ~a25~0 13))) (.cse14 (<= ~a29~0 130)) (.cse9 (< ~a23~0 600042)) (.cse10 (<= 307 ~a23~0)) (.cse13 (<= 13 ~a25~0)) (.cse15 (< (+ ~a23~0 42) 0)) (.cse16 (= ~a4~0 0)) (.cse11 (<= 10250 ~a29~0)) (.cse17 (= ~a25~0 12)) (.cse12 (<= 0 (+ 599777 ~a23~0))) (.cse2 (<= ~a29~0 277)) (.cse7 (<= ~a25~0 10)) (.cse3 (<= 141 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse5 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse4) (and .cse9 .cse10 .cse7 .cse4) (and .cse11 .cse12 .cse4 .cse5 .cse13) (< |old(~a23~0)| 312) (and .cse9 .cse10 .cse3 .cse4) (and .cse7 .cse4 .cse5 .cse14) (and .cse0 .cse1 (< 0 (+ ~a23~0 43)) .cse8 .cse4 .cse6) (and .cse9 (<= ~a29~0 245) .cse3 .cse4) (and .cse12 .cse4 .cse5 .cse14 .cse13) (not (= ~a3~0 1)) (and .cse0 .cse15 .cse16 .cse14) (and .cse17 .cse2 .cse16 .cse3 .cse5) (< 312 |old(~a23~0)|) (< 10 |old(~a25~0)|) (< |old(~a25~0)| 10) (and .cse9 .cse10 .cse4 .cse13) (and .cse15 .cse16 (= ~a25~0 9) .cse11) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (and .cse17 .cse12 .cse4 .cse5) (< 130 |old(~a29~0)|) (and .cse2 .cse7 .cse3 .cse4 .cse5))) [2023-04-01 22:22:52,766 INFO L899 garLoopResultBuilder]: For program point L1044-3(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1038 1054) the Hoare annotation is: (or (< |old(~a23~0)| 312) (not (= ~a3~0 1)) (< 312 |old(~a23~0)|) (< 10 |old(~a25~0)|) (< |old(~a25~0)| 10) (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)) (< 130 |old(~a29~0)|)) [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:22:52,767 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 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-04-01 22:22:52,767 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,768 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-04-01 22:22:52,769 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,770 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,771 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,772 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,773 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-04-01 22:22:52,774 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,775 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,776 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,777 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,778 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-01 22:22:52,779 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 32 1036) the Hoare annotation is: (let ((.cse23 (= ~a4~0 1)) (.cse15 (= ~a29~0 |old(~a29~0)|)) (.cse16 (= ~a23~0 |old(~a23~0)|)) (.cse25 (= ~a25~0 |old(~a25~0)|)) (.cse24 (= ~a4~0 |old(~a4~0)|))) (let ((.cse6 (= 13 |old(~a25~0)|)) (.cse8 (<= 0 (+ 42 |old(~a23~0)|))) (.cse9 (< 130 |old(~a29~0)|)) (.cse10 (< 138 |old(~a23~0)|)) (.cse1 (< 10 |old(~a25~0)|)) (.cse5 (and .cse15 .cse16 .cse25 .cse24)) (.cse18 (< |old(~a25~0)| 13)) (.cse17 (< |old(~a29~0)| 10250)) (.cse20 (< (+ 599777 |old(~a23~0)|) 0)) (.cse19 (< |old(~a23~0)| 307)) (.cse2 (<= 600042 |old(~a23~0)|)) (.cse3 (not (= |old(~a4~0)| 1))) (.cse14 (and .cse15 .cse16 .cse23 .cse25)) (.cse7 (not (= |old(~a4~0)| 0))) (.cse22 (= ~a25~0 12)) (.cse0 (not (= ~a3~0 1))) (.cse21 (not (= 12 |old(~a25~0)|))) (.cse11 (< 312 |old(~a23~0)|)) (.cse12 (< |old(~a29~0)| 141)) (.cse13 (< 277 |old(~a29~0)|)) (.cse4 (not (= ~a8~0 15)))) (and (or (<= |old(~a23~0)| 306) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse0 .cse4 .cse9 .cse5) (or .cse6 .cse10 (<= (+ 43 |old(~a23~0)|) 0) .cse0 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse11 .cse12 .cse13 .cse3 .cse4 .cse14) (or .cse7 .cse8 .cse0 (and .cse15 (= ~a4~0 0) .cse16 (= ~a25~0 9)) (not (= 9 |old(~a25~0)|)) .cse17 .cse4) (or .cse18 .cse0 .cse19 .cse2 .cse3 .cse4 .cse14) (or .cse0 (< 245 |old(~a29~0)|) .cse2 .cse12 .cse3 .cse4 .cse14) (or .cse18 .cse0 .cse11 .cse3 .cse4 .cse14 .cse20 .cse9) (or .cse0 .cse11 .cse1 .cse3 .cse4 .cse9 .cse5) (or .cse10 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse21 .cse11 (and .cse22 .cse15 .cse16 .cse23) .cse3 .cse4 .cse20) (or .cse18 .cse0 .cse11 .cse17 .cse3 .cse4 .cse14 .cse20) (or .cse0 .cse19 .cse2 .cse12 .cse3 .cse4 .cse14) (or .cse7 (and .cse22 .cse15 .cse16 .cse24) .cse0 .cse21 .cse11 .cse12 .cse13 .cse4)))) [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,780 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-04-01 22:22:52,781 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-01 22:22:52,781 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-04-01 22:22:52,781 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-04-01 22:22:52,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:22:52,781 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 10 ~a25~0) (<= ~a25~0 10) (= ~a3~0 1) (= ~a4~0 1) (<= ~a23~0 312) (<= 312 ~a23~0) (= ~a8~0 15) (<= ~a29~0 130)) [2023-04-01 22:22:52,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:22:52,781 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:22:52,783 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:22:52,785 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:22:52,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:22:52 BoogieIcfgContainer [2023-04-01 22:22:52,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:22:52,806 INFO L158 Benchmark]: Toolchain (without parser) took 148730.14ms. Allocated memory was 384.8MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 343.5MB in the beginning and 545.6MB in the end (delta: -202.2MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-04-01 22:22:52,806 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 229.6MB. Free memory is still 179.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:22:52,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.47ms. Allocated memory is still 384.8MB. Free memory was 343.0MB in the beginning and 297.9MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-04-01 22:22:52,806 INFO L158 Benchmark]: Boogie Preprocessor took 100.36ms. Allocated memory is still 384.8MB. Free memory was 297.9MB in the beginning and 290.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-04-01 22:22:52,806 INFO L158 Benchmark]: RCFGBuilder took 1170.03ms. Allocated memory is still 384.8MB. Free memory was 290.5MB in the beginning and 223.4MB in the end (delta: 67.1MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2023-04-01 22:22:52,806 INFO L158 Benchmark]: TraceAbstraction took 146945.80ms. Allocated memory was 384.8MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 222.9MB in the beginning and 545.6MB in the end (delta: -322.7MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-04-01 22:22:52,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 229.6MB. Free memory is still 179.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 509.47ms. Allocated memory is still 384.8MB. Free memory was 343.0MB in the beginning and 297.9MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.36ms. Allocated memory is still 384.8MB. Free memory was 297.9MB in the beginning and 290.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1170.03ms. Allocated memory is still 384.8MB. Free memory was 290.5MB in the beginning and 223.4MB in the end (delta: 67.1MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * TraceAbstraction took 146945.80ms. Allocated memory was 384.8MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 222.9MB in the beginning and 545.6MB in the end (delta: -322.7MB). Peak memory consumption was 2.2GB. 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: 127]: 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: 146.9s, OverallIterations: 17, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 43.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23585 SdHoareTripleChecker+Valid, 31.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23577 mSDsluCounter, 3416 SdHoareTripleChecker+Invalid, 27.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2097 mSDsCounter, 5946 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39716 IncrementalHoareTripleChecker+Invalid, 45662 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5946 mSolverCounterUnsat, 1319 mSDtfsCounter, 39716 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14599 GetRequests, 14154 SyntacticMatches, 13 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9336 ImplicationChecksByTransitivity, 52.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46486occurred in iteration=15, InterpolantAutomatonStates: 382, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 14320 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1673 PreInvPairs, 1967 NumberOfFragments, 1156 HoareAnnotationTreeSize, 1673 FomulaSimplifications, 169711 FormulaSimplificationTreeSizeReduction, 20.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 45861 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 63.3s InterpolantComputationTime, 15316 NumberOfCodeBlocks, 15316 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 21713 ConstructedInterpolants, 2 QuantifiedInterpolants, 44938 SizeOfPredicates, 16 NumberOfNonLiveVariables, 11644 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 41 InterpolantComputations, 10 PerfectInterpolantSequences, 46930/50487 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 == 13) && 10 <= a25) && a29 <= 277) && 141 <= a29) && a4 == 1) && a23 <= 312) && !(a25 == 10)) || ((a25 <= 10 && a23 <= 138) && a4 == 1)) || (((a23 < 600042 && 307 <= a23) && a25 <= 10) && a4 == 1)) || ((((10250 <= a29 && 0 <= 599777 + a23) && a4 == 1) && a23 <= 312) && 13 <= a25)) || \old(a23) < 312) || (((a23 < 600042 && 307 <= a23) && 141 <= a29) && a4 == 1)) || (((a25 <= 10 && a4 == 1) && a23 <= 312) && a29 <= 130)) || (((((!(a25 == 13) && 10 <= a25) && 0 < a23 + 43) && a23 <= 138) && a4 == 1) && !(a25 == 10))) || (((a23 < 600042 && a29 <= 245) && 141 <= a29) && a4 == 1)) || ((((0 <= 599777 + a23 && a4 == 1) && a23 <= 312) && a29 <= 130) && 13 <= a25)) || !(a3 == 1)) || (((!(a25 == 13) && a23 + 42 < 0) && a4 == 0) && a29 <= 130)) || ((((a25 == 12 && a29 <= 277) && a4 == 0) && 141 <= a29) && a23 <= 312)) || 312 < \old(a23)) || 10 < \old(a25)) || \old(a25) < 10) || (((a23 < 600042 && 307 <= a23) && a4 == 1) && 13 <= a25)) || (((a23 + 42 < 0 && a4 == 0) && a25 == 9) && 10250 <= a29)) || !(\old(a4) == 1)) || !(a8 == 15)) || (((a25 == 12 && 0 <= 599777 + a23) && a4 == 1) && a23 <= 312)) || 130 < \old(a29)) || ((((a29 <= 277 && a25 <= 10) && 141 <= a29) && a4 == 1) && a23 <= 312) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:22:52,913 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...