/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/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:18:24,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:18:24,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:18:24,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:18:24,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 20:18:24,932 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:18:24,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:18:24,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:18:24,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:18:24,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:18:24,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:18:24,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:18:24,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:18:24,934 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:18:24,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:18:24,935 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:18:24,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:18:24,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:18:24,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:18:24,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:18:24,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:18:24,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:18:24,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:18:24,937 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:18:25,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:18:25,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:18:25,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:18:25,137 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:18:25,137 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:18:25,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2023-04-01 20:18:26,088 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:18:26,350 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:18:26,351 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2023-04-01 20:18:26,364 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee34ba7/55c2ac500cd547aca6961fbce1339661/FLAG97dc5890c [2023-04-01 20:18:26,700 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee34ba7/55c2ac500cd547aca6961fbce1339661 [2023-04-01 20:18:26,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:18:26,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:18:26,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:18:26,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:18:26,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:18:26,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:18:26" (1/1) ... [2023-04-01 20:18:26,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23037a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:26, skipping insertion in model container [2023-04-01 20:18:26,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:18:26" (1/1) ... [2023-04-01 20:18:26,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:18:26,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:18:26,990 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/Problem01_label08.c[19599,19612] [2023-04-01 20:18:27,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:18:27,035 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:18:27,123 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/Problem01_label08.c[19599,19612] [2023-04-01 20:18:27,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:18:27,138 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:18:27,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27 WrapperNode [2023-04-01 20:18:27,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:18:27,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:18:27,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:18:27,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:18:27,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,198 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:18:27,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:18:27,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:18:27,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:18:27,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (1/1) ... [2023-04-01 20:18:27,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:18:27,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:27,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 20:18:27,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 20:18:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:18:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:18:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:18:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:18:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:18:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:18:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:18:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:18:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:18:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:18:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:18:27,374 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:18:27,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:18:28,010 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:18:28,019 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:18:28,019 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:18:28,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:18:28 BoogieIcfgContainer [2023-04-01 20:18:28,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:18:28,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:18:28,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:18:28,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:18:28,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:18:26" (1/3) ... [2023-04-01 20:18:28,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772e4689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:18:28, skipping insertion in model container [2023-04-01 20:18:28,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:27" (2/3) ... [2023-04-01 20:18:28,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772e4689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:18:28, skipping insertion in model container [2023-04-01 20:18:28,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:18:28" (3/3) ... [2023-04-01 20:18:28,027 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2023-04-01 20:18:28,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:18:28,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:18:28,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:18:28,086 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;@754709c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:18:28,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:18:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 20:18:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-01 20:18:28,100 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:28,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:28,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:28,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash 586700520, now seen corresponding path program 1 times [2023-04-01 20:18:28,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:28,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410730475] [2023-04-01 20:18:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:28,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:28,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:28,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410730475] [2023-04-01 20:18:28,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410730475] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:28,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:18:28,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 20:18:28,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665662354] [2023-04-01 20:18:28,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:28,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 20:18:28,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:28,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 20:18:28,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:18:28,770 INFO L87 Difference]: Start difference. First operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 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 28.75) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:18:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:29,597 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2023-04-01 20:18:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:18:29,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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 119 [2023-04-01 20:18:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:29,606 INFO L225 Difference]: With dead ends: 557 [2023-04-01 20:18:29,606 INFO L226 Difference]: Without dead ends: 286 [2023-04-01 20:18:29,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-01 20:18:29,612 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 651 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:29,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 21 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:18:29,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-04-01 20:18:29,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2023-04-01 20:18:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 271 states have (on average 1.4464944649446494) internal successors, (392), 272 states have internal predecessors, (392), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:18:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2023-04-01 20:18:29,654 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 119 [2023-04-01 20:18:29,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:29,654 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2023-04-01 20:18:29,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:18:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2023-04-01 20:18:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-01 20:18:29,657 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:29,657 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-01 20:18:29,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:18:29,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:29,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:29,658 INFO L85 PathProgramCache]: Analyzing trace with hash 876221134, now seen corresponding path program 1 times [2023-04-01 20:18:29,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:29,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804477240] [2023-04-01 20:18:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:29,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:29,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:29,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804477240] [2023-04-01 20:18:29,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804477240] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:29,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:18:29,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:18:29,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307829745] [2023-04-01 20:18:29,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:29,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:18:29,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:29,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:18:29,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:18:29,884 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:30,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:30,572 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2023-04-01 20:18:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 20:18:30,573 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 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 129 [2023-04-01 20:18:30,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:30,577 INFO L225 Difference]: With dead ends: 713 [2023-04-01 20:18:30,578 INFO L226 Difference]: Without dead ends: 439 [2023-04-01 20:18:30,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:30,579 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 612 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:30,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 41 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 20:18:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-04-01 20:18:30,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2023-04-01 20:18:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 407 states have (on average 1.4004914004914004) internal successors, (570), 411 states have internal predecessors, (570), 5 states have call successors, (5), 5 states have call predecessors, (5), 8 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2023-04-01 20:18:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2023-04-01 20:18:30,611 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 129 [2023-04-01 20:18:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:30,611 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2023-04-01 20:18:30,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2023-04-01 20:18:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-01 20:18:30,614 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:30,614 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-01 20:18:30,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 20:18:30,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:30,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:30,615 INFO L85 PathProgramCache]: Analyzing trace with hash -2076996208, now seen corresponding path program 1 times [2023-04-01 20:18:30,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:30,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980358042] [2023-04-01 20:18:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:30,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:31,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:31,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:31,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980358042] [2023-04-01 20:18:31,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980358042] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:31,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003825268] [2023-04-01 20:18:31,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:31,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:31,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:31,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:31,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 20:18:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:31,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:18:31,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:31,625 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:18:31,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003825268] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:31,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:18:31,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:18:31,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154876285] [2023-04-01 20:18:31,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:31,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:18:31,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:31,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:18:31,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:18:31,627 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:18:31,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:31,927 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2023-04-01 20:18:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:18:31,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 130 [2023-04-01 20:18:31,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:31,933 INFO L225 Difference]: With dead ends: 1247 [2023-04-01 20:18:31,933 INFO L226 Difference]: Without dead ends: 832 [2023-04-01 20:18:31,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:18:31,935 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 37 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:31,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 53 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:18:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2023-04-01 20:18:31,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2023-04-01 20:18:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 809 states have (on average 1.342398022249691) internal successors, (1086), 816 states have internal predecessors, (1086), 8 states have call successors, (8), 8 states have call predecessors, (8), 14 states have return successors, (50), 7 states have call predecessors, (50), 7 states have call successors, (50) [2023-04-01 20:18:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2023-04-01 20:18:31,977 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 130 [2023-04-01 20:18:31,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:31,978 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2023-04-01 20:18:31,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 20:18:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2023-04-01 20:18:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 20:18:31,982 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:31,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:31,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:32,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:32,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:32,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:32,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1019991700, now seen corresponding path program 1 times [2023-04-01 20:18:32,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:32,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416782598] [2023-04-01 20:18:32,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:32,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:32,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416782598] [2023-04-01 20:18:32,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416782598] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:32,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:18:32,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 20:18:32,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40689016] [2023-04-01 20:18:32,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:32,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 20:18:32,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:32,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 20:18:32,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:18:32,419 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:33,139 INFO L93 Difference]: Finished difference Result 2548 states and 3723 transitions. [2023-04-01 20:18:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:18:33,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 144 [2023-04-01 20:18:33,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:33,159 INFO L225 Difference]: With dead ends: 2548 [2023-04-01 20:18:33,160 INFO L226 Difference]: Without dead ends: 1722 [2023-04-01 20:18:33,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:33,162 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 756 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:33,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 42 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 20:18:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2023-04-01 20:18:33,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1682. [2023-04-01 20:18:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1682 states, 1627 states have (on average 1.2735095267363246) internal successors, (2072), 1654 states have internal predecessors, (2072), 14 states have call successors, (14), 14 states have call predecessors, (14), 40 states have return successors, (171), 13 states have call predecessors, (171), 13 states have call successors, (171) [2023-04-01 20:18:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2257 transitions. [2023-04-01 20:18:33,206 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2257 transitions. Word has length 144 [2023-04-01 20:18:33,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:33,206 INFO L495 AbstractCegarLoop]: Abstraction has 1682 states and 2257 transitions. [2023-04-01 20:18:33,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:18:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2257 transitions. [2023-04-01 20:18:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-01 20:18:33,210 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:33,210 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 20:18:33,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 20:18:33,210 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:33,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1199554620, now seen corresponding path program 1 times [2023-04-01 20:18:33,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:33,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682211618] [2023-04-01 20:18:33,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:33,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:18:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:18:33,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:33,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682211618] [2023-04-01 20:18:33,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682211618] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:33,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863628335] [2023-04-01 20:18:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:33,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:33,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:33,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 20:18:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:33,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:18:33,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-01 20:18:33,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:18:33,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863628335] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:33,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:18:33,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 20:18:33,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448352312] [2023-04-01 20:18:33,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:33,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:18:33,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:33,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:18:33,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:18:33,809 INFO L87 Difference]: Start difference. First operand 1682 states and 2257 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:18:34,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:34,097 INFO L93 Difference]: Finished difference Result 4583 states and 6240 transitions. [2023-04-01 20:18:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:18:34,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 155 [2023-04-01 20:18:34,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:34,106 INFO L225 Difference]: With dead ends: 4583 [2023-04-01 20:18:34,107 INFO L226 Difference]: Without dead ends: 2907 [2023-04-01 20:18:34,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:18:34,109 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 45 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:34,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 50 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 20:18:34,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2023-04-01 20:18:34,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2502. [2023-04-01 20:18:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 2430 states have (on average 1.2423868312757202) internal successors, (3019), 2462 states have internal predecessors, (3019), 20 states have call successors, (20), 20 states have call predecessors, (20), 51 states have return successors, (257), 19 states have call predecessors, (257), 19 states have call successors, (257) [2023-04-01 20:18:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3296 transitions. [2023-04-01 20:18:34,168 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3296 transitions. Word has length 155 [2023-04-01 20:18:34,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:34,168 INFO L495 AbstractCegarLoop]: Abstraction has 2502 states and 3296 transitions. [2023-04-01 20:18:34,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:18:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3296 transitions. [2023-04-01 20:18:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-01 20:18:34,173 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:34,173 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:34,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:34,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:34,380 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:34,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:34,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2100338544, now seen corresponding path program 1 times [2023-04-01 20:18:34,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:34,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326154037] [2023-04-01 20:18:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:18:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:34,735 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:18:34,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:34,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326154037] [2023-04-01 20:18:34,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326154037] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:34,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945815125] [2023-04-01 20:18:34,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:34,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:34,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:34,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:34,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 20:18:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:34,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:18:34,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:34,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:34,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945815125] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:34,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:35,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:18:35,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393447046] [2023-04-01 20:18:35,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:35,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:18:35,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:35,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:18:35,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:35,001 INFO L87 Difference]: Start difference. First operand 2502 states and 3296 transitions. Second operand has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:18:36,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:36,317 INFO L93 Difference]: Finished difference Result 6085 states and 8475 transitions. [2023-04-01 20:18:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-01 20:18:36,317 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 161 [2023-04-01 20:18:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:36,328 INFO L225 Difference]: With dead ends: 6085 [2023-04-01 20:18:36,328 INFO L226 Difference]: Without dead ends: 3589 [2023-04-01 20:18:36,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2023-04-01 20:18:36,333 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2195 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:36,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 124 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 20:18:36,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2023-04-01 20:18:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 2695. [2023-04-01 20:18:36,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2592 states have (on average 1.2137345679012346) internal successors, (3146), 2653 states have internal predecessors, (3146), 21 states have call successors, (21), 21 states have call predecessors, (21), 81 states have return successors, (326), 20 states have call predecessors, (326), 20 states have call successors, (326) [2023-04-01 20:18:36,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3493 transitions. [2023-04-01 20:18:36,399 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3493 transitions. Word has length 161 [2023-04-01 20:18:36,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:36,399 INFO L495 AbstractCegarLoop]: Abstraction has 2695 states and 3493 transitions. [2023-04-01 20:18:36,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:18:36,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3493 transitions. [2023-04-01 20:18:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-04-01 20:18:36,405 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:36,405 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:36,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:36,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:36,610 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:36,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:36,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2036267762, now seen corresponding path program 1 times [2023-04-01 20:18:36,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:36,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542731413] [2023-04-01 20:18:36,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:36,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:18:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-01 20:18:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-01 20:18:36,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:36,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542731413] [2023-04-01 20:18:36,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542731413] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:36,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794418303] [2023-04-01 20:18:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:36,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:36,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:36,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 20:18:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:37,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 20:18:37,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 40 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 20:18:37,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 20:18:37,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794418303] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:37,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:37,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-04-01 20:18:37,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892685311] [2023-04-01 20:18:37,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:37,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:18:37,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:37,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:18:37,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:18:37,391 INFO L87 Difference]: Start difference. First operand 2695 states and 3493 transitions. Second operand has 11 states, 11 states have (on average 35.18181818181818) internal successors, (387), 9 states have internal predecessors, (387), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:39,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:39,037 INFO L93 Difference]: Finished difference Result 6328 states and 8759 transitions. [2023-04-01 20:18:39,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-01 20:18:39,038 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 35.18181818181818) internal successors, (387), 9 states have internal predecessors, (387), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 191 [2023-04-01 20:18:39,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:39,048 INFO L225 Difference]: With dead ends: 6328 [2023-04-01 20:18:39,049 INFO L226 Difference]: Without dead ends: 3639 [2023-04-01 20:18:39,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 400 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2023-04-01 20:18:39,053 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1634 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:39,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 109 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 20:18:39,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3639 states. [2023-04-01 20:18:39,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3639 to 2977. [2023-04-01 20:18:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 2864 states have (on average 1.1805167597765363) internal successors, (3381), 2931 states have internal predecessors, (3381), 23 states have call successors, (23), 23 states have call predecessors, (23), 89 states have return successors, (346), 22 states have call predecessors, (346), 22 states have call successors, (346) [2023-04-01 20:18:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 3750 transitions. [2023-04-01 20:18:39,125 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 3750 transitions. Word has length 191 [2023-04-01 20:18:39,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:39,125 INFO L495 AbstractCegarLoop]: Abstraction has 2977 states and 3750 transitions. [2023-04-01 20:18:39,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 35.18181818181818) internal successors, (387), 9 states have internal predecessors, (387), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 3750 transitions. [2023-04-01 20:18:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-04-01 20:18:39,131 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:39,131 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:39,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:39,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:39,337 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:39,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:39,337 INFO L85 PathProgramCache]: Analyzing trace with hash -32909000, now seen corresponding path program 1 times [2023-04-01 20:18:39,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:39,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416945478] [2023-04-01 20:18:39,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:39,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:18:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-01 20:18:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-01 20:18:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-04-01 20:18:39,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:39,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416945478] [2023-04-01 20:18:39,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416945478] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:39,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720845115] [2023-04-01 20:18:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:39,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:39,620 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:39,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 20:18:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:39,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:18:39,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-04-01 20:18:39,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 112 proven. 14 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-04-01 20:18:39,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720845115] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:39,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:39,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2023-04-01 20:18:39,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822407282] [2023-04-01 20:18:39,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:39,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-01 20:18:39,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:39,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-01 20:18:39,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-04-01 20:18:39,833 INFO L87 Difference]: Start difference. First operand 2977 states and 3750 transitions. Second operand has 15 states, 15 states have (on average 13.533333333333333) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 20:18:41,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:41,540 INFO L93 Difference]: Finished difference Result 7876 states and 10065 transitions. [2023-04-01 20:18:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-01 20:18:41,541 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.533333333333333) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 229 [2023-04-01 20:18:41,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:41,550 INFO L225 Difference]: With dead ends: 7876 [2023-04-01 20:18:41,550 INFO L226 Difference]: Without dead ends: 3620 [2023-04-01 20:18:41,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2023-04-01 20:18:41,558 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2365 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2365 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:41,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2365 Valid, 85 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 20:18:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2023-04-01 20:18:41,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 2937. [2023-04-01 20:18:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2844 states have (on average 1.089662447257384) internal successors, (3099), 2891 states have internal predecessors, (3099), 23 states have call successors, (23), 23 states have call predecessors, (23), 69 states have return successors, (218), 22 states have call predecessors, (218), 22 states have call successors, (218) [2023-04-01 20:18:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 3340 transitions. [2023-04-01 20:18:41,626 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 3340 transitions. Word has length 229 [2023-04-01 20:18:41,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:41,626 INFO L495 AbstractCegarLoop]: Abstraction has 2937 states and 3340 transitions. [2023-04-01 20:18:41,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.533333333333333) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-01 20:18:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3340 transitions. [2023-04-01 20:18:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-04-01 20:18:41,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:41,631 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:41,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:41,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:41,837 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:41,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:41,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1654512642, now seen corresponding path program 1 times [2023-04-01 20:18:41,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:41,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590960524] [2023-04-01 20:18:41,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:41,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:18:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-01 20:18:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-01 20:18:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-01 20:18:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 144 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:18:42,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:42,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590960524] [2023-04-01 20:18:42,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590960524] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:42,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561486885] [2023-04-01 20:18:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:42,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:42,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:42,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:18:42,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 20:18:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:42,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:18:42,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:18:42,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:18:42,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561486885] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:42,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:42,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2023-04-01 20:18:42,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154939399] [2023-04-01 20:18:42,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:42,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 20:18:42,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:42,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 20:18:42,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:18:42,596 INFO L87 Difference]: Start difference. First operand 2937 states and 3340 transitions. Second operand has 13 states, 13 states have (on average 23.76923076923077) internal successors, (309), 11 states have internal predecessors, (309), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:43,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:43,701 INFO L93 Difference]: Finished difference Result 4951 states and 5774 transitions. [2023-04-01 20:18:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-01 20:18:43,701 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 23.76923076923077) internal successors, (309), 11 states have internal predecessors, (309), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 239 [2023-04-01 20:18:43,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:43,702 INFO L225 Difference]: With dead ends: 4951 [2023-04-01 20:18:43,702 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:18:43,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2023-04-01 20:18:43,709 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2461 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2461 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:43,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2461 Valid, 93 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:18:43,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:18:43,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:18:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 20:18:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:18:43,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2023-04-01 20:18:43,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:43,710 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:18:43,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 23.76923076923077) internal successors, (309), 11 states have internal predecessors, (309), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:18:43,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:18:43,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:18:43,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:43,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:43,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:18:49,853 WARN L223 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 258 DAG size of output: 330 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 20:18:54,961 WARN L223 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 258 DAG size of output: 330 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 20:18:56,853 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:18:56,854 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:18:56,854 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:18:56,854 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse6 (<= 5 ~a16~0)) (.cse5 (= ~a20~0 1)) (.cse3 (= ~a17~0 1)) (.cse10 (= ~a7~0 1)) (.cse8 (<= 15 ~a8~0)) (.cse0 (<= ~a8~0 13)) (.cse1 (= ~a21~0 1)) (.cse7 (= ~a7~0 0)) (.cse2 (= 15 |old(~a8~0)|)) (.cse4 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~a7~0)| 0)) (and .cse6 .cse1 .cse7 .cse2 .cse8) (and .cse1 .cse2 .cse4 (not (= ~a8~0 13)) (< ~a8~0 15)) (and .cse6 .cse1 .cse7 .cse2 .cse3 .cse5) (and .cse6 .cse1 (= ~a16~0 |old(~a16~0)|) .cse7 .cse3 .cse5 (= ~a8~0 |old(~a8~0)|)) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and (let ((.cse9 (<= ~a21~0 0))) (or (and .cse9 .cse5) (and .cse9 .cse3 .cse4))) .cse0 .cse2 .cse10) (< |old(~a8~0)| 15) (and .cse1 .cse2 .cse10 .cse4 .cse8) (not (= |old(~a17~0)| 1)) (and .cse1 .cse7 .cse2 .cse4 (= ~a8~0 15)) (< 5 |old(~a16~0)|) (and .cse0 .cse1 .cse7 .cse2 .cse4) (not (= |old(~a20~0)| 1)))) [2023-04-01 20:18:56,854 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:18:56,854 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-04-01 20:18:56,855 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-04-01 20:18:56,855 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse6 (<= 5 ~a16~0)) (.cse5 (= ~a20~0 1)) (.cse3 (= ~a17~0 1)) (.cse10 (= ~a7~0 1)) (.cse8 (<= 15 ~a8~0)) (.cse0 (<= ~a8~0 13)) (.cse1 (= ~a21~0 1)) (.cse7 (= ~a7~0 0)) (.cse2 (= 15 |old(~a8~0)|)) (.cse4 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~a7~0)| 0)) (and .cse6 .cse1 .cse7 .cse2 .cse8) (and .cse1 .cse2 .cse4 (not (= ~a8~0 13)) (< ~a8~0 15)) (and .cse6 .cse1 .cse7 .cse2 .cse3 .cse5) (and .cse6 .cse1 (= ~a16~0 |old(~a16~0)|) .cse7 .cse3 .cse5 (= ~a8~0 |old(~a8~0)|)) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and (let ((.cse9 (<= ~a21~0 0))) (or (and .cse9 .cse5) (and .cse9 .cse3 .cse4))) .cse0 .cse2 .cse10) (< |old(~a8~0)| 15) (and .cse1 .cse2 .cse10 .cse4 .cse8) (not (= |old(~a17~0)| 1)) (and .cse1 .cse7 .cse2 .cse4 (= ~a8~0 15)) (< 5 |old(~a16~0)|) (and .cse0 .cse1 .cse7 .cse2 .cse4) (not (= |old(~a20~0)| 1)))) [2023-04-01 20:18:56,855 INFO L899 garLoopResultBuilder]: For program point L593-3(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:18:56,855 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 587 604) the Hoare annotation is: (or (not (= |old(~a7~0)| 0)) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (< |old(~a8~0)| 15) (and (= ~a21~0 1) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 0) (= ~a17~0 1) (= ~a20~0 1) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1))) [2023-04-01 20:18:56,855 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:18:56,855 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~b~0 |old(~b~0)|) (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~a7~0 |old(~a7~0)|) (= ~z~0 |old(~z~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a16~0 |old(~a16~0)|) (= ~x~0 |old(~x~0)|) (= ~a8~0 |old(~a8~0)|) (= ~d~0 |old(~d~0)|) (= ~a20~0 |old(~a20~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 20:18:56,855 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:18:56,855 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-04-01 20:18:56,855 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-01 20:18:56,856 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-04-01 20:18:56,857 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 525) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-04-01 20:18:56,858 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,859 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,860 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,860 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,860 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,860 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-04-01 20:18:56,861 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,862 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-04-01 20:18:56,863 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-04-01 20:18:56,864 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-04-01 20:18:56,865 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 40 585) the Hoare annotation is: (let ((.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a7~0 0)) (.cse5 (= ~a8~0 |old(~a8~0)|)) (.cse14 (= ~a20~0 |old(~a20~0)|))) (let ((.cse6 (< 13 |old(~a8~0)|)) (.cse16 (= ~a7~0 1)) (.cse18 (not (= |old(~a7~0)| 1))) (.cse17 (< |old(~a8~0)| 15)) (.cse15 (and .cse12 .cse1 .cse2 .cse13 .cse5 .cse14)) (.cse11 (not (= |old(~a7~0)| 0))) (.cse3 (= ~a17~0 1)) (.cse4 (= ~a20~0 1)) (.cse8 (not (= |old(~a17~0)| 1))) (.cse10 (not (= |old(~a20~0)| 1))) (.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse7 (not (= |old(~a21~0)| 1))) (.cse9 (< 5 |old(~a16~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (or (not (= 15 |old(~a8~0)|)) .cse11 .cse7 (and .cse12 .cse1 .cse2 .cse13 (= ~a8~0 15) .cse14) .cse9) (or .cse11 .cse6 .cse7 .cse15 .cse9) (or (and .cse12 .cse1 .cse2 .cse16 .cse5 .cse14) .cse7 .cse17 .cse9 .cse18) (or .cse6 (let ((.cse19 (< 0 |old(~a21~0)|))) (and (or .cse19 .cse8 .cse9) (or .cse19 .cse10))) (and (= ~a21~0 |old(~a21~0)|) .cse12 .cse2 .cse16 .cse5 .cse14) .cse18) (or .cse11 (< |old(~a16~0)| 5) .cse7 .cse17 .cse15) (or .cse11 .cse7 (and .cse1 .cse2 .cse13 .cse3 .cse4 .cse5) .cse8 .cse10) (or (= |old(~a8~0)| 13) (<= 15 |old(~a8~0)|) (and .cse0 .cse12 .cse1 .cse2 .cse5 .cse14) .cse7 .cse9)))) [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-04-01 20:18:56,866 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 5 ~a16~0) (= ~a21~0 1) (= ~a7~0 0) (= ~a17~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0)) [2023-04-01 20:18:56,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:18:56,867 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:18:56,869 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:56,870 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:18:56,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:18:56 BoogieIcfgContainer [2023-04-01 20:18:56,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:18:56,887 INFO L158 Benchmark]: Toolchain (without parser) took 30184.63ms. Allocated memory was 370.1MB in the beginning and 1.1GB in the end (delta: 733.0MB). Free memory was 315.2MB in the beginning and 1.0GB in the end (delta: -722.3MB). Peak memory consumption was 660.8MB. Max. memory is 8.0GB. [2023-04-01 20:18:56,887 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:18:56,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.43ms. Allocated memory is still 370.1MB. Free memory was 314.9MB in the beginning and 286.9MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-01 20:18:56,888 INFO L158 Benchmark]: Boogie Preprocessor took 89.24ms. Allocated memory is still 370.1MB. Free memory was 286.9MB in the beginning and 337.2MB in the end (delta: -50.3MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2023-04-01 20:18:56,888 INFO L158 Benchmark]: RCFGBuilder took 792.49ms. Allocated memory is still 370.1MB. Free memory was 337.2MB in the beginning and 259.6MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. [2023-04-01 20:18:56,888 INFO L158 Benchmark]: TraceAbstraction took 28863.04ms. Allocated memory was 370.1MB in the beginning and 1.1GB in the end (delta: 733.0MB). Free memory was 259.1MB in the beginning and 1.0GB in the end (delta: -778.4MB). Peak memory consumption was 603.6MB. Max. memory is 8.0GB. [2023-04-01 20:18:56,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 435.43ms. Allocated memory is still 370.1MB. Free memory was 314.9MB in the beginning and 286.9MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.24ms. Allocated memory is still 370.1MB. Free memory was 286.9MB in the beginning and 337.2MB in the end (delta: -50.3MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * RCFGBuilder took 792.49ms. Allocated memory is still 370.1MB. Free memory was 337.2MB in the beginning and 259.6MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. * TraceAbstraction took 28863.04ms. Allocated memory was 370.1MB in the beginning and 1.1GB in the end (delta: 733.0MB). Free memory was 259.1MB in the beginning and 1.0GB in the end (delta: -778.4MB). Peak memory consumption was 603.6MB. 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: 525]: 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, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.8s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10756 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10756 mSDsluCounter, 618 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 420 mSDsCounter, 1686 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9069 IncrementalHoareTripleChecker+Invalid, 10755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1686 mSolverCounterUnsat, 198 mSDtfsCounter, 9069 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2145 GetRequests, 2000 SyntacticMatches, 3 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2977occurred in iteration=7, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 2708 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 144 PreInvPairs, 216 NumberOfFragments, 814 HoareAnnotationTreeSize, 144 FomulaSimplifications, 122399 FormulaSimplificationTreeSizeReduction, 11.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17468 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2602 NumberOfCodeBlocks, 2602 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3403 ConstructedInterpolants, 0 QuantifiedInterpolants, 9624 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3217 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 1664/1801 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: 593]: Loop Invariant Derived loop invariant: (((((((((((((((((((a8 <= 13 && a21 == 1) && 15 == \old(a8)) && a17 == 1) && a16 <= 5) && a20 == 1) || !(\old(a7) == 0)) || ((((5 <= a16 && a21 == 1) && a7 == 0) && 15 == \old(a8)) && 15 <= a8)) || ((((a21 == 1 && 15 == \old(a8)) && a16 <= 5) && !(a8 == 13)) && a8 < 15)) || (((((5 <= a16 && a21 == 1) && a7 == 0) && 15 == \old(a8)) && a17 == 1) && a20 == 1)) || ((((((5 <= a16 && a21 == 1) && a16 == \old(a16)) && a7 == 0) && a17 == 1) && a20 == 1) && a8 == \old(a8))) || \old(a16) < 5) || !(\old(a21) == 1)) || (((((a21 <= 0 && a20 == 1) || ((a21 <= 0 && a17 == 1) && a16 <= 5)) && a8 <= 13) && 15 == \old(a8)) && a7 == 1)) || \old(a8) < 15) || ((((a21 == 1 && 15 == \old(a8)) && a7 == 1) && a16 <= 5) && 15 <= a8)) || !(\old(a17) == 1)) || ((((a21 == 1 && a7 == 0) && 15 == \old(a8)) && a16 <= 5) && a8 == 15)) || 5 < \old(a16)) || ((((a8 <= 13 && a21 == 1) && a7 == 0) && 15 == \old(a8)) && a16 <= 5)) || !(\old(a20) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:18:56,914 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...