/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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:19:23,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:19:23,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:19:23,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:19:23,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 20:19:23,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 20:19:23,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 20:19:23,198 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 20:19:23,225 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:19:23,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:19:23,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:19:23,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:19:23,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:19:23,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:19:23,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:19:23,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:19:23,228 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:19:23,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:19:23,229 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:19:23,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:19:23,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:19:23,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:19:23,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:19:23,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:19:23,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:19:23,230 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:19:23,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:19:23,230 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:19:23,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:19:23,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:19:23,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:19:23,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:19:23,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:19:23,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:19:23,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:19:23,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:19:23,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:19:23,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:19:23,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:19:23,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:19:23,232 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:19:23,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:19:23,233 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:19:23,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:19:23,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:19:23,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:19:23,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:19:23,469 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:19:23,470 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:19:23,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2023-04-01 20:19:24,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:19:24,913 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:19:24,914 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2023-04-01 20:19:24,949 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f734e28ac/402d30a026c945f897c9d823ce11b81e/FLAG6d9df8dd4 [2023-04-01 20:19:24,961 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f734e28ac/402d30a026c945f897c9d823ce11b81e [2023-04-01 20:19:24,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:19:24,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:19:24,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:19:24,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:19:24,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:19:24,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:19:24" (1/1) ... [2023-04-01 20:19:24,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228f4520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:24, skipping insertion in model container [2023-04-01 20:19:24,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:19:24" (1/1) ... [2023-04-01 20:19:24,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:19:25,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:19:25,278 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_label23.c[17363,17376] [2023-04-01 20:19:25,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:19:25,334 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:19:25,433 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_label23.c[17363,17376] [2023-04-01 20:19:25,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:19:25,465 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:19:25,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25 WrapperNode [2023-04-01 20:19:25,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:19:25,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:19:25,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:19:25,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:19:25,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:19:25,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:19:25,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:19:25,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:19:25,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (1/1) ... [2023-04-01 20:19:25,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:19:25,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:25,586 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 20:19:25,594 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 20:19:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:19:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:19:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:19:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:19:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:19:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:19:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:19:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:19:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:19:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:19:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:19:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:19:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:19:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:19:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:19:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:19:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:19:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:19:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:19:25,703 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:19:25,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:19:26,639 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:19:26,655 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:19:26,655 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:19:26,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:19:26 BoogieIcfgContainer [2023-04-01 20:19:26,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:19:26,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:19:26,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:19:26,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:19:26,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:19:24" (1/3) ... [2023-04-01 20:19:26,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75237490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:19:26, skipping insertion in model container [2023-04-01 20:19:26,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:19:25" (2/3) ... [2023-04-01 20:19:26,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75237490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:19:26, skipping insertion in model container [2023-04-01 20:19:26,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:19:26" (3/3) ... [2023-04-01 20:19:26,667 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23.c [2023-04-01 20:19:26,684 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:19:26,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:19:26,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:19:26,757 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;@2530c505, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:19:26,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:19:26,761 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 20:19:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-04-01 20:19:26,774 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:26,774 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] [2023-04-01 20:19:26,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:26,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:26,779 INFO L85 PathProgramCache]: Analyzing trace with hash 922660672, now seen corresponding path program 1 times [2023-04-01 20:19:26,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:26,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743118708] [2023-04-01 20:19:26,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:26,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:27,528 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 20:19:27,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:27,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743118708] [2023-04-01 20:19:27,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743118708] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:27,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:19:27,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 20:19:27,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061652790] [2023-04-01 20:19:27,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:27,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 20:19:27,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 20:19:27,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:19:27,568 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 24.25) internal successors, (97), 3 states have internal predecessors, (97), 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 20:19:28,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:28,654 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2023-04-01 20:19:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:19:28,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 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 101 [2023-04-01 20:19:28,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:28,668 INFO L225 Difference]: With dead ends: 557 [2023-04-01 20:19:28,668 INFO L226 Difference]: Without dead ends: 286 [2023-04-01 20:19:28,673 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 20:19:28,676 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 669 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 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, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:28,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 21 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 20:19:28,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-04-01 20:19:28,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2023-04-01 20:19:28,727 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 20:19:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2023-04-01 20:19:28,730 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 101 [2023-04-01 20:19:28,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:28,731 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2023-04-01 20:19:28,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 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 20:19:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2023-04-01 20:19:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-01 20:19:28,735 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:28,735 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] [2023-04-01 20:19:28,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:19:28,736 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:28,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:28,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1185790118, now seen corresponding path program 1 times [2023-04-01 20:19:28,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:28,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505769406] [2023-04-01 20:19:28,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:29,186 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 20:19:29,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:29,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505769406] [2023-04-01 20:19:29,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505769406] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:29,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:19:29,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:19:29,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637837757] [2023-04-01 20:19:29,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:29,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:19:29,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:29,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:19:29,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:29,191 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand has 8 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 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 20:19:29,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:29,969 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2023-04-01 20:19:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 20:19:29,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 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 111 [2023-04-01 20:19:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:29,973 INFO L225 Difference]: With dead ends: 713 [2023-04-01 20:19:29,973 INFO L226 Difference]: Without dead ends: 439 [2023-04-01 20:19:29,974 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 20:19:29,975 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 612 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:29,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 41 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:19:29,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-04-01 20:19:30,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2023-04-01 20:19:30,015 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 20:19:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2023-04-01 20:19:30,017 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 111 [2023-04-01 20:19:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:30,017 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2023-04-01 20:19:30,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 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 20:19:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2023-04-01 20:19:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-04-01 20:19:30,022 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:30,022 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] [2023-04-01 20:19:30,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 20:19:30,022 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:30,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:30,023 INFO L85 PathProgramCache]: Analyzing trace with hash -2146582552, now seen corresponding path program 1 times [2023-04-01 20:19:30,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:30,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288519370] [2023-04-01 20:19:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:30,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:30,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:30,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288519370] [2023-04-01 20:19:30,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288519370] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:30,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356335092] [2023-04-01 20:19:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:30,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:30,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:30,429 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 20:19:30,451 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 20:19:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:30,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:30,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:30,778 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 20:19:30,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:19:30,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356335092] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:30,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:19:30,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2023-04-01 20:19:30,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954007194] [2023-04-01 20:19:30,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:30,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:19:30,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:30,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:19:30,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:30,786 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 20:19:31,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:31,193 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2023-04-01 20:19:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:19:31,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 112 [2023-04-01 20:19:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:31,202 INFO L225 Difference]: With dead ends: 1247 [2023-04-01 20:19:31,202 INFO L226 Difference]: Without dead ends: 832 [2023-04-01 20:19:31,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:19:31,205 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 39 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:31,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 233 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 20:19:31,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2023-04-01 20:19:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2023-04-01 20:19:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 809 states have (on average 1.2904820766378244) internal successors, (1044), 816 states have internal predecessors, (1044), 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 20:19:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2023-04-01 20:19:31,258 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 112 [2023-04-01 20:19:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:31,259 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2023-04-01 20:19:31,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 20:19:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2023-04-01 20:19:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-01 20:19:31,269 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:31,270 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-01 20:19:31,280 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 20:19:31,476 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 20:19:31,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:31,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:31,477 INFO L85 PathProgramCache]: Analyzing trace with hash 967269812, now seen corresponding path program 1 times [2023-04-01 20:19:31,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:31,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519277453] [2023-04-01 20:19:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:31,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:31,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:19:31,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:31,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519277453] [2023-04-01 20:19:31,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519277453] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:31,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:19:31,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 20:19:31,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616770168] [2023-04-01 20:19:31,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:31,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 20:19:31,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:31,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 20:19:31,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:19:31,861 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 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 20:19:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:32,728 INFO L93 Difference]: Finished difference Result 2403 states and 3333 transitions. [2023-04-01 20:19:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:19:32,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 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 118 [2023-04-01 20:19:32,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:32,737 INFO L225 Difference]: With dead ends: 2403 [2023-04-01 20:19:32,737 INFO L226 Difference]: Without dead ends: 1289 [2023-04-01 20:19:32,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:19:32,746 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 726 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:32,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 60 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:19:32,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2023-04-01 20:19:32,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 993. [2023-04-01 20:19:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 955 states have (on average 1.1842931937172776) internal successors, (1131), 975 states have internal predecessors, (1131), 9 states have call successors, (9), 9 states have call predecessors, (9), 28 states have return successors, (86), 8 states have call predecessors, (86), 8 states have call successors, (86) [2023-04-01 20:19:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1226 transitions. [2023-04-01 20:19:32,799 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1226 transitions. Word has length 118 [2023-04-01 20:19:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:32,799 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1226 transitions. [2023-04-01 20:19:32,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 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 20:19:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1226 transitions. [2023-04-01 20:19:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-01 20:19:32,803 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:32,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-01 20:19:32,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 20:19:32,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:32,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:32,804 INFO L85 PathProgramCache]: Analyzing trace with hash -504667182, now seen corresponding path program 1 times [2023-04-01 20:19:32,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:32,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966975785] [2023-04-01 20:19:32,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:32,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:19:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:19:33,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:33,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966975785] [2023-04-01 20:19:33,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966975785] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:33,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956674141] [2023-04-01 20:19:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:33,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:33,216 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 20:19:33,241 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 20:19:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:33,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:33,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:19:33,459 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:19:33,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956674141] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:33,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:19:33,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-01 20:19:33,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556313852] [2023-04-01 20:19:33,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:33,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:19:33,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:33,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:19:33,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:19:33,461 INFO L87 Difference]: Start difference. First operand 993 states and 1226 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 20:19:33,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:33,779 INFO L93 Difference]: Finished difference Result 2816 states and 3517 transitions. [2023-04-01 20:19:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:19:33,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 126 [2023-04-01 20:19:33,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:33,788 INFO L225 Difference]: With dead ends: 2816 [2023-04-01 20:19:33,788 INFO L226 Difference]: Without dead ends: 1829 [2023-04-01 20:19:33,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:19:33,791 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:33,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 43 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:19:33,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2023-04-01 20:19:33,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1829. [2023-04-01 20:19:33,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1766 states have (on average 1.1477916194790487) internal successors, (2027), 1799 states have internal predecessors, (2027), 15 states have call successors, (15), 15 states have call predecessors, (15), 47 states have return successors, (155), 14 states have call predecessors, (155), 14 states have call successors, (155) [2023-04-01 20:19:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2197 transitions. [2023-04-01 20:19:33,851 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2197 transitions. Word has length 126 [2023-04-01 20:19:33,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:33,851 INFO L495 AbstractCegarLoop]: Abstraction has 1829 states and 2197 transitions. [2023-04-01 20:19:33,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 20:19:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2197 transitions. [2023-04-01 20:19:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 20:19:33,855 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:33,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:19:33,870 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 20:19:34,070 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 20:19:34,070 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:34,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:34,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1208056246, now seen corresponding path program 1 times [2023-04-01 20:19:34,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:34,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876955446] [2023-04-01 20:19:34,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:34,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:19:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-01 20:19:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-01 20:19:34,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:34,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876955446] [2023-04-01 20:19:34,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876955446] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:34,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450956447] [2023-04-01 20:19:34,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:34,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:34,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:34,680 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 20:19:34,682 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 20:19:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:34,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:19:34,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-01 20:19:34,934 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:19:34,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450956447] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:19:34,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:19:34,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-04-01 20:19:34,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588062429] [2023-04-01 20:19:34,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:19:34,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:19:34,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:34,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:19:34,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:19:34,936 INFO L87 Difference]: Start difference. First operand 1829 states and 2197 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, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:19:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:35,326 INFO L93 Difference]: Finished difference Result 5157 states and 6314 transitions. [2023-04-01 20:19:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:19:35,326 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, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 149 [2023-04-01 20:19:35,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:35,341 INFO L225 Difference]: With dead ends: 5157 [2023-04-01 20:19:35,341 INFO L226 Difference]: Without dead ends: 3334 [2023-04-01 20:19:35,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:19:35,347 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 43 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:35,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 205 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:19:35,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2023-04-01 20:19:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 3199. [2023-04-01 20:19:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3199 states, 3106 states have (on average 1.130392788151964) internal successors, (3511), 3149 states have internal predecessors, (3511), 25 states have call successors, (25), 25 states have call predecessors, (25), 67 states have return successors, (303), 24 states have call predecessors, (303), 24 states have call successors, (303) [2023-04-01 20:19:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 3199 states and 3839 transitions. [2023-04-01 20:19:35,459 INFO L78 Accepts]: Start accepts. Automaton has 3199 states and 3839 transitions. Word has length 149 [2023-04-01 20:19:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:35,460 INFO L495 AbstractCegarLoop]: Abstraction has 3199 states and 3839 transitions. [2023-04-01 20:19:35,460 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, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:19:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3839 transitions. [2023-04-01 20:19:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-01 20:19:35,466 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:19:35,467 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:19:35,475 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 20:19:35,672 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 20:19:35,673 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:19:35,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:19:35,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1294096462, now seen corresponding path program 1 times [2023-04-01 20:19:35,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:19:35,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050524981] [2023-04-01 20:19:35,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:35,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:19:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:19:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:19:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:19:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-01 20:19:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:36,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-01 20:19:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 67 proven. 29 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-01 20:19:36,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:19:36,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050524981] [2023-04-01 20:19:36,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050524981] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:19:36,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48752546] [2023-04-01 20:19:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:19:36,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:19:36,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:19:36,260 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 20:19:36,262 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 20:19:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:19:36,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 20:19:36,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:19:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 80 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-01 20:19:36,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:19:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-01 20:19:36,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48752546] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:19:36,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:19:36,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2023-04-01 20:19:36,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605482076] [2023-04-01 20:19:36,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:19:36,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:19:36,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:19:36,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:19:36,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:19:36,829 INFO L87 Difference]: Start difference. First operand 3199 states and 3839 transitions. Second operand has 12 states, 12 states have (on average 23.666666666666668) internal successors, (284), 10 states have internal predecessors, (284), 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 20:19:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:19:39,051 INFO L93 Difference]: Finished difference Result 6673 states and 8480 transitions. [2023-04-01 20:19:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-01 20:19:39,052 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.666666666666668) internal successors, (284), 10 states have internal predecessors, (284), 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 170 [2023-04-01 20:19:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:19:39,052 INFO L225 Difference]: With dead ends: 6673 [2023-04-01 20:19:39,053 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:19:39,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 356 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2023-04-01 20:19:39,068 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 1339 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 20:19:39,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 149 Invalid, 1934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 20:19:39,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:19:39,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:19:39,069 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 20:19:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:19:39,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2023-04-01 20:19:39,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:19:39,070 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:19:39,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.666666666666668) internal successors, (284), 10 states have internal predecessors, (284), 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 20:19:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:19:39,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:19:39,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:19:39,081 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 20:19:39,281 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 20:19:39,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:19:43,816 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:19:43,817 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:19:43,817 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:19:43,819 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse2 (<= ~a20~0 0)) (.cse4 (<= ~a7~0 0)) (.cse0 (<= ~a8~0 13)) (.cse5 (<= ~a17~0 0)) (.cse6 (= ~a21~0 1)) (.cse3 (= ~a17~0 1)) (.cse1 (<= ~a16~0 5)) (.cse7 (= ~a20~0 1))) (or (not (= |old(~a7~0)| 0)) (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse2 .cse5) (and .cse2 .cse5 .cse1) (and .cse0 .cse6 .cse7) (and .cse4 .cse2 .cse3) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and .cse4 .cse5 .cse6 .cse1 .cse7) (and (<= 5 ~a16~0) .cse5 .cse6 .cse7) (and .cse0 .cse5) (and .cse6 (= ~a7~0 0) .cse3 .cse1 .cse7) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)))) [2023-04-01 20:19:43,819 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:19:43,819 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-04-01 20:19:43,819 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-04-01 20:19:43,823 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (<= ~a20~0 0)) (.cse4 (<= ~a7~0 0)) (.cse0 (<= ~a8~0 13)) (.cse5 (<= ~a17~0 0)) (.cse6 (= ~a21~0 1)) (.cse3 (= ~a17~0 1)) (.cse1 (<= ~a16~0 5)) (.cse7 (= ~a20~0 1))) (or (not (= |old(~a7~0)| 0)) (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse2 .cse5) (and .cse2 .cse5 .cse1) (and .cse0 .cse6 .cse7) (and .cse4 .cse2 .cse3) (< |old(~a16~0)| 5) (not (= |old(~a21~0)| 1)) (and .cse4 .cse5 .cse6 .cse1 .cse7) (and (<= 5 ~a16~0) .cse5 .cse6 .cse7) (and .cse0 .cse5) (and .cse6 (= ~a7~0 0) .cse3 .cse1 .cse7) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)))) [2023-04-01 20:19:43,823 INFO L899 garLoopResultBuilder]: For program point L593-3(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:19:43,824 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)) (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 20:19:43,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:19:43,824 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 20:19:43,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:19:43,824 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-04-01 20:19:43,824 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-04-01 20:19:43,824 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-01 20:19:43,824 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-01 20:19:43,824 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-04-01 20:19:43,825 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-04-01 20:19:43,825 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-04-01 20:19:43,825 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,826 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,826 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,826 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,826 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-04-01 20:19:43,826 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,826 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,826 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-04-01 20:19:43,827 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-04-01 20:19:43,827 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-04-01 20:19:43,827 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-01 20:19:43,827 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-04-01 20:19:43,827 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-01 20:19:43,827 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-04-01 20:19:43,827 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-04-01 20:19:43,828 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-04-01 20:19:43,829 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 471) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,830 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,831 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,831 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,831 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,831 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-04-01 20:19:43,832 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-01 20:19:43,833 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-04-01 20:19:43,834 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,835 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-04-01 20:19:43,836 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-04-01 20:19:43,836 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-04-01 20:19:43,836 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-04-01 20:19:43,836 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-01 20:19:43,837 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-04-01 20:19:43,838 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 20:19:43,838 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-04-01 20:19:43,838 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,838 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,838 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,838 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-04-01 20:19:43,839 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-04-01 20:19:43,840 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-04-01 20:19:43,841 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 40 585) the Hoare annotation is: (let ((.cse19 (= ~a21~0 |old(~a21~0)|)) (.cse17 (= ~a17~0 1)) (.cse16 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a21~0 1)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a20~0 1)) (.cse15 (= ~a8~0 |old(~a8~0)|))) (let ((.cse4 (and .cse11 .cse12 .cse13 .cse14 .cse18 .cse15)) (.cse0 (< 0 |old(~a7~0)|)) (.cse8 (and .cse19 .cse11 .cse14 .cse17 .cse15 .cse16)) (.cse2 (< 0 |old(~a20~0)|)) (.cse9 (< 5 |old(~a16~0)|)) (.cse5 (not (= |old(~a21~0)| 1))) (.cse7 (not (= |old(~a17~0)| 1))) (.cse6 (not (= |old(~a20~0)| 1))) (.cse1 (< 0 |old(~a17~0)|)) (.cse10 (< 13 |old(~a8~0)|)) (.cse3 (and .cse19 .cse11 .cse12 .cse14 .cse15 .cse16))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse6) (or .cse2 .cse7 .cse8 .cse9) (or .cse4 .cse10 .cse5 .cse6) (or (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse1 (< |old(~a16~0)| 5) .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse8) (or .cse10 .cse3 .cse9) (or .cse1 .cse2 .cse3 .cse9) (or (not (= |old(~a7~0)| 0)) .cse5 (and .cse13 .cse14 (= ~a7~0 0) .cse17 .cse18 .cse15) .cse7 .cse6) (or .cse1 .cse10 .cse3)))) [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-04-01 20:19:43,842 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-04-01 20:19:43,843 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-04-01 20:19:43,843 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,843 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,843 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,843 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,844 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,845 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,846 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:19:43,846 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-04-01 20:19:43,846 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-04-01 20:19:43,846 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-04-01 20:19:43,846 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-04-01 20:19:43,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:19:43,846 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)) [2023-04-01 20:19:43,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:19:43,846 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:19:43,850 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:19:43,852 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:19:43,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:19:43 BoogieIcfgContainer [2023-04-01 20:19:43,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:19:43,879 INFO L158 Benchmark]: Toolchain (without parser) took 18915.21ms. Allocated memory was 269.5MB in the beginning and 594.5MB in the end (delta: 325.1MB). Free memory was 218.4MB in the beginning and 250.1MB in the end (delta: -31.7MB). Peak memory consumption was 352.6MB. Max. memory is 8.0GB. [2023-04-01 20:19:43,879 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:19:43,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.95ms. Allocated memory is still 269.5MB. Free memory was 218.0MB in the beginning and 190.6MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-01 20:19:43,880 INFO L158 Benchmark]: Boogie Preprocessor took 87.47ms. Allocated memory is still 269.5MB. Free memory was 190.1MB in the beginning and 185.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 20:19:43,880 INFO L158 Benchmark]: RCFGBuilder took 1104.19ms. Allocated memory is still 269.5MB. Free memory was 185.5MB in the beginning and 191.3MB in the end (delta: -5.8MB). Peak memory consumption was 41.6MB. Max. memory is 8.0GB. [2023-04-01 20:19:43,880 INFO L158 Benchmark]: TraceAbstraction took 17217.36ms. Allocated memory was 269.5MB in the beginning and 594.5MB in the end (delta: 325.1MB). Free memory was 191.0MB in the beginning and 250.1MB in the end (delta: -59.1MB). Peak memory consumption was 324.6MB. Max. memory is 8.0GB. [2023-04-01 20:19:43,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 500.95ms. Allocated memory is still 269.5MB. Free memory was 218.0MB in the beginning and 190.6MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.47ms. Allocated memory is still 269.5MB. Free memory was 190.1MB in the beginning and 185.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1104.19ms. Allocated memory is still 269.5MB. Free memory was 185.5MB in the beginning and 191.3MB in the end (delta: -5.8MB). Peak memory consumption was 41.6MB. Max. memory is 8.0GB. * TraceAbstraction took 17217.36ms. Allocated memory was 269.5MB in the beginning and 594.5MB in the end (delta: 325.1MB). Free memory was 191.0MB in the beginning and 250.1MB in the end (delta: -59.1MB). Peak memory consumption was 324.6MB. 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: 471]: 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: 17.1s, OverallIterations: 7, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3496 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3493 mSDsluCounter, 752 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 261 mSDsCounter, 866 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4609 IncrementalHoareTripleChecker+Invalid, 5475 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 866 mSolverCounterUnsat, 491 mSDtfsCounter, 4609 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 838 GetRequests, 763 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3199occurred in iteration=6, InterpolantAutomatonStates: 56, 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, 7 MinimizatonAttempts, 455 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 238 NumberOfFragments, 696 HoareAnnotationTreeSize, 120 FomulaSimplifications, 26118 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7409 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1444 NumberOfCodeBlocks, 1444 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1602 ConstructedInterpolants, 0 QuantifiedInterpolants, 4586 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1908 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 548/624 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: ((((((((((((((!(\old(a7) == 0) || (a8 <= 13 && a16 <= 5)) || ((a20 <= 0 && a17 == 1) && a16 <= 5)) || ((a7 <= 0 && a20 <= 0) && a17 <= 0)) || ((a20 <= 0 && a17 <= 0) && a16 <= 5)) || ((a8 <= 13 && a21 == 1) && a20 == 1)) || ((a7 <= 0 && a20 <= 0) && a17 == 1)) || \old(a16) < 5) || !(\old(a21) == 1)) || ((((a7 <= 0 && a17 <= 0) && a21 == 1) && a16 <= 5) && a20 == 1)) || (((5 <= a16 && a17 <= 0) && a21 == 1) && a20 == 1)) || (a8 <= 13 && a17 <= 0)) || ((((a21 == 1 && a7 == 0) && a17 == 1) && a16 <= 5) && a20 == 1)) || !(\old(a17) == 1)) || 5 < \old(a16)) || !(\old(a20) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:19:43,912 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...