/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/Problem02_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:43:07,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:43:07,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:43:07,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:43:07,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:43:07,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:43:07,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:43:07,844 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 [2023-03-30 22:43:07,866 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:43:07,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:43:07,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:43:07,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:43:07,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:43:07,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:43:07,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:43:07,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:43:07,868 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:43:07,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:43:07,868 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:43:07,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:43:07,870 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:43:07,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:43:07,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:43:07,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:43:07,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:43:07,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:07,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:43:07,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:43:07,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:43:07,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:43:07,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:43:07,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:43:07,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:43:07,872 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:43:07,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:43:07,872 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:43:07,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:43:08,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:43:08,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:43:08,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:43:08,100 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:43:08,100 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:43:08,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2023-03-30 22:43:09,318 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:43:09,596 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:43:09,597 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2023-03-30 22:43:09,607 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb6feb55/0d155890a225440db0065647f0dc6a24/FLAGfc6bd41f5 [2023-03-30 22:43:09,620 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb6feb55/0d155890a225440db0065647f0dc6a24 [2023-03-30 22:43:09,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:43:09,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:43:09,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:09,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:43:09,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:43:09,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:09" (1/1) ... [2023-03-30 22:43:09,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b417f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:09, skipping insertion in model container [2023-03-30 22:43:09,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:09" (1/1) ... [2023-03-30 22:43:09,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:43:09,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:43:09,984 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/Problem02_label29.c[17015,17028] [2023-03-30 22:43:10,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:10,042 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:43:10,108 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/Problem02_label29.c[17015,17028] [2023-03-30 22:43:10,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:10,141 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:43:10,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10 WrapperNode [2023-03-30 22:43:10,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:10,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:43:10,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:43:10,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:43:10,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,237 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:43:10,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:43:10,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:43:10,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:43:10,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (1/1) ... [2023-03-30 22:43:10,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:10,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:10,290 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) [2023-03-30 22:43:10,312 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 [2023-03-30 22:43:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:43:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:43:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:43:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:43:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:43:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:43:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:43:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:43:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:43:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:43:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:43:10,445 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:43:10,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:43:11,378 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:43:11,389 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:43:11,390 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:43:11,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:11 BoogieIcfgContainer [2023-03-30 22:43:11,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:43:11,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:43:11,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:43:11,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:43:11,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:43:09" (1/3) ... [2023-03-30 22:43:11,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180dea5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:11, skipping insertion in model container [2023-03-30 22:43:11,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:10" (2/3) ... [2023-03-30 22:43:11,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180dea5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:11, skipping insertion in model container [2023-03-30 22:43:11,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:11" (3/3) ... [2023-03-30 22:43:11,403 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label29.c [2023-03-30 22:43:11,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:43:11,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:43:11,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:43:11,476 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;@24194077, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:43:11,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:43:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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) [2023-03-30 22:43:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-03-30 22:43:11,502 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:11,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:11,504 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:11,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:11,512 INFO L85 PathProgramCache]: Analyzing trace with hash -400443463, now seen corresponding path program 1 times [2023-03-30 22:43:11,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:11,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289500008] [2023-03-30 22:43:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:11,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:12,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:12,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289500008] [2023-03-30 22:43:12,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289500008] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:12,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:12,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 22:43:12,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289899488] [2023-03-30 22:43:12,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:12,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-30 22:43:12,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:12,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-30 22:43:12,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-30 22:43:12,390 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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) [2023-03-30 22:43:13,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:13,657 INFO L93 Difference]: Finished difference Result 671 states and 1125 transitions. [2023-03-30 22:43:13,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:43:13,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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 108 [2023-03-30 22:43:13,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:13,671 INFO L225 Difference]: With dead ends: 671 [2023-03-30 22:43:13,672 INFO L226 Difference]: Without dead ends: 341 [2023-03-30 22:43:13,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-30 22:43:13,681 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 529 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:13,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 41 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-30 22:43:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-03-30 22:43:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2023-03-30 22:43:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 322 states have (on average 1.4565217391304348) internal successors, (469), 324 states have internal predecessors, (469), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-03-30 22:43:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 480 transitions. [2023-03-30 22:43:13,737 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 480 transitions. Word has length 108 [2023-03-30 22:43:13,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:13,738 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 480 transitions. [2023-03-30 22:43:13,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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) [2023-03-30 22:43:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 480 transitions. [2023-03-30 22:43:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-03-30 22:43:13,742 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:13,742 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:13,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:43:13,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:13,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:13,743 INFO L85 PathProgramCache]: Analyzing trace with hash 378024301, now seen corresponding path program 1 times [2023-03-30 22:43:13,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396074466] [2023-03-30 22:43:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:14,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:14,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396074466] [2023-03-30 22:43:14,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396074466] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:14,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636664877] [2023-03-30 22:43:14,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:14,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:14,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:14,365 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) [2023-03-30 22:43:14,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 22:43:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:14,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:14,750 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:14,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636664877] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:14,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:14,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:43:14,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122712971] [2023-03-30 22:43:14,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:14,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:14,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:14,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:14,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:14,753 INFO L87 Difference]: Start difference. First operand 332 states and 480 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2023-03-30 22:43:15,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:15,180 INFO L93 Difference]: Finished difference Result 951 states and 1399 transitions. [2023-03-30 22:43:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:15,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 116 [2023-03-30 22:43:15,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:15,186 INFO L225 Difference]: With dead ends: 951 [2023-03-30 22:43:15,186 INFO L226 Difference]: Without dead ends: 625 [2023-03-30 22:43:15,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:15,188 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 120 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:15,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 58 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 22:43:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-03-30 22:43:15,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 479. [2023-03-30 22:43:15,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 466 states have (on average 1.4742489270386265) internal successors, (687), 469 states have internal predecessors, (687), 5 states have call successors, (5), 5 states have call predecessors, (5), 7 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-03-30 22:43:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 706 transitions. [2023-03-30 22:43:15,218 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 706 transitions. Word has length 116 [2023-03-30 22:43:15,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:15,219 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 706 transitions. [2023-03-30 22:43:15,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2023-03-30 22:43:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 706 transitions. [2023-03-30 22:43:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-03-30 22:43:15,222 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:15,222 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:15,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:15,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:15,430 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:15,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:15,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1234147399, now seen corresponding path program 1 times [2023-03-30 22:43:15,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:15,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132268321] [2023-03-30 22:43:15,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:15,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:15,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:15,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132268321] [2023-03-30 22:43:15,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132268321] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:15,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:15,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 22:43:15,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312943248] [2023-03-30 22:43:15,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:15,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 22:43:15,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:15,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 22:43:15,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:43:15,703 INFO L87 Difference]: Start difference. First operand 479 states and 706 transitions. Second operand has 8 states, 7 states have (on average 16.714285714285715) internal successors, (117), 5 states have internal predecessors, (117), 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) [2023-03-30 22:43:17,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:17,150 INFO L93 Difference]: Finished difference Result 1724 states and 2620 transitions. [2023-03-30 22:43:17,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 22:43:17,150 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.714285714285715) internal successors, (117), 5 states have internal predecessors, (117), 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 123 [2023-03-30 22:43:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:17,157 INFO L225 Difference]: With dead ends: 1724 [2023-03-30 22:43:17,157 INFO L226 Difference]: Without dead ends: 1251 [2023-03-30 22:43:17,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-03-30 22:43:17,159 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 969 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:17,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 95 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-30 22:43:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-03-30 22:43:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1232. [2023-03-30 22:43:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1199 states have (on average 1.4095079232693912) internal successors, (1690), 1212 states have internal predecessors, (1690), 10 states have call successors, (10), 10 states have call predecessors, (10), 22 states have return successors, (70), 9 states have call predecessors, (70), 9 states have call successors, (70) [2023-03-30 22:43:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2023-03-30 22:43:17,205 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 123 [2023-03-30 22:43:17,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:17,206 INFO L495 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2023-03-30 22:43:17,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.714285714285715) internal successors, (117), 5 states have internal predecessors, (117), 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) [2023-03-30 22:43:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2023-03-30 22:43:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-03-30 22:43:17,212 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:17,212 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:17,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-30 22:43:17,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:17,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:17,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1322778643, now seen corresponding path program 1 times [2023-03-30 22:43:17,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:17,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296166246] [2023-03-30 22:43:17,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:17,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:43:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:43:17,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:17,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296166246] [2023-03-30 22:43:17,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296166246] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:17,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217884988] [2023-03-30 22:43:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:17,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:17,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:17,561 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) [2023-03-30 22:43:17,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 22:43:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:17,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:17,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:17,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217884988] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:17,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:17,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-03-30 22:43:17,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738123580] [2023-03-30 22:43:17,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:17,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:17,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:17,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:17,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:17,810 INFO L87 Difference]: Start difference. First operand 1232 states and 1770 transitions. Second operand has 12 states, 12 states have (on average 12.583333333333334) internal successors, (151), 10 states have internal predecessors, (151), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:18,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:18,643 INFO L93 Difference]: Finished difference Result 2459 states and 3602 transitions. [2023-03-30 22:43:18,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:18,643 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.583333333333334) internal successors, (151), 10 states have internal predecessors, (151), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 131 [2023-03-30 22:43:18,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:18,650 INFO L225 Difference]: With dead ends: 2459 [2023-03-30 22:43:18,650 INFO L226 Difference]: Without dead ends: 1233 [2023-03-30 22:43:18,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 266 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-03-30 22:43:18,654 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1790 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:18,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1790 Valid, 44 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:43:18,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2023-03-30 22:43:18,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 919. [2023-03-30 22:43:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 896 states have (on average 1.3761160714285714) internal successors, (1233), 903 states have internal predecessors, (1233), 8 states have call successors, (8), 8 states have call predecessors, (8), 14 states have return successors, (39), 7 states have call predecessors, (39), 7 states have call successors, (39) [2023-03-30 22:43:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1280 transitions. [2023-03-30 22:43:18,705 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1280 transitions. Word has length 131 [2023-03-30 22:43:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:18,705 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1280 transitions. [2023-03-30 22:43:18,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.583333333333334) internal successors, (151), 10 states have internal predecessors, (151), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1280 transitions. [2023-03-30 22:43:18,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-03-30 22:43:18,718 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:18,718 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:18,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:18,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-03-30 22:43:18,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:18,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:18,925 INFO L85 PathProgramCache]: Analyzing trace with hash 835965026, now seen corresponding path program 1 times [2023-03-30 22:43:18,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:18,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168338368] [2023-03-30 22:43:18,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:18,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:19,454 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:19,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:19,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168338368] [2023-03-30 22:43:19,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168338368] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:19,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543921899] [2023-03-30 22:43:19,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:19,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:19,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:19,461 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) [2023-03-30 22:43:19,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 22:43:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:19,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-30 22:43:19,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:19,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:19,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543921899] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:19,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:19,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-03-30 22:43:19,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236449672] [2023-03-30 22:43:19,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:19,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:43:19,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:19,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:43:19,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:19,626 INFO L87 Difference]: Start difference. First operand 919 states and 1280 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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) [2023-03-30 22:43:20,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:20,122 INFO L93 Difference]: Finished difference Result 2766 states and 4065 transitions. [2023-03-30 22:43:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-30 22:43:20,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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 134 [2023-03-30 22:43:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:20,135 INFO L225 Difference]: With dead ends: 2766 [2023-03-30 22:43:20,135 INFO L226 Difference]: Without dead ends: 1853 [2023-03-30 22:43:20,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:20,139 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 519 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:20,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 76 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 22:43:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2023-03-30 22:43:20,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1531. [2023-03-30 22:43:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1481 states have (on average 1.2903443619176231) internal successors, (1911), 1507 states have internal predecessors, (1911), 12 states have call successors, (12), 12 states have call predecessors, (12), 37 states have return successors, (131), 11 states have call predecessors, (131), 11 states have call successors, (131) [2023-03-30 22:43:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2054 transitions. [2023-03-30 22:43:20,210 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2054 transitions. Word has length 134 [2023-03-30 22:43:20,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:20,210 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 2054 transitions. [2023-03-30 22:43:20,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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) [2023-03-30 22:43:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2054 transitions. [2023-03-30 22:43:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-03-30 22:43:20,215 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:20,215 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-03-30 22:43:20,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:20,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:20,421 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:20,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:20,422 INFO L85 PathProgramCache]: Analyzing trace with hash 911327743, now seen corresponding path program 1 times [2023-03-30 22:43:20,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:20,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053092992] [2023-03-30 22:43:20,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:20,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-30 22:43:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 22:43:20,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:20,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053092992] [2023-03-30 22:43:20,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053092992] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:20,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254975016] [2023-03-30 22:43:20,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:20,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:20,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:20,749 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) [2023-03-30 22:43:20,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 22:43:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-30 22:43:20,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-30 22:43:20,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:20,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254975016] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:20,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:20,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-03-30 22:43:20,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571551253] [2023-03-30 22:43:20,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:20,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:43:20,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:20,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:43:20,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:43:20,940 INFO L87 Difference]: Start difference. First operand 1531 states and 2054 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:43:21,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:21,535 INFO L93 Difference]: Finished difference Result 4270 states and 5861 transitions. [2023-03-30 22:43:21,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-30 22:43:21,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 166 [2023-03-30 22:43:21,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:21,548 INFO L225 Difference]: With dead ends: 4270 [2023-03-30 22:43:21,548 INFO L226 Difference]: Without dead ends: 2745 [2023-03-30 22:43:21,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-03-30 22:43:21,554 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 418 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:21,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 94 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-30 22:43:21,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2023-03-30 22:43:21,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 2579. [2023-03-30 22:43:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2579 states, 2496 states have (on average 1.1943108974358974) internal successors, (2981), 2541 states have internal predecessors, (2981), 19 states have call successors, (19), 19 states have call predecessors, (19), 63 states have return successors, (233), 18 states have call predecessors, (233), 18 states have call successors, (233) [2023-03-30 22:43:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2579 states and 3233 transitions. [2023-03-30 22:43:21,642 INFO L78 Accepts]: Start accepts. Automaton has 2579 states and 3233 transitions. Word has length 166 [2023-03-30 22:43:21,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:21,642 INFO L495 AbstractCegarLoop]: Abstraction has 2579 states and 3233 transitions. [2023-03-30 22:43:21,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:43:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 3233 transitions. [2023-03-30 22:43:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-03-30 22:43:21,649 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:21,649 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-03-30 22:43:21,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:21,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:21,856 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:21,856 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1431797347, now seen corresponding path program 1 times [2023-03-30 22:43:21,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:21,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782932199] [2023-03-30 22:43:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:43:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-30 22:43:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-30 22:43:22,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:22,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782932199] [2023-03-30 22:43:22,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782932199] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:22,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704769184] [2023-03-30 22:43:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:22,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:22,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:22,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:22,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 22:43:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:22,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:22,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-30 22:43:22,553 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-30 22:43:22,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704769184] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:22,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:22,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-03-30 22:43:22,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011015435] [2023-03-30 22:43:22,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:22,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:22,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:22,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:22,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:22,678 INFO L87 Difference]: Start difference. First operand 2579 states and 3233 transitions. Second operand has 12 states, 12 states have (on average 17.75) internal successors, (213), 10 states have internal predecessors, (213), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-30 22:43:24,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:24,697 INFO L93 Difference]: Finished difference Result 6038 states and 7724 transitions. [2023-03-30 22:43:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-30 22:43:24,697 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.75) internal successors, (213), 10 states have internal predecessors, (213), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 173 [2023-03-30 22:43:24,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:24,698 INFO L225 Difference]: With dead ends: 6038 [2023-03-30 22:43:24,698 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:43:24,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 357 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2023-03-30 22:43:24,709 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 1986 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 2494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:24,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 71 Invalid, 2494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-03-30 22:43:24,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:43:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:43:24,710 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) [2023-03-30 22:43:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:43:24,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2023-03-30 22:43:24,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:24,711 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:43:24,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.75) internal successors, (213), 10 states have internal predecessors, (213), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-30 22:43:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:43:24,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:43:24,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:43:24,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:24,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:24,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:43:27,133 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:43:27,133 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:43:27,133 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:43:27,134 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:27,134 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse2 (<= ~a17~0 7))) (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (and .cse0 .cse1 (not (= ~a11~0 1))) (not (= |old(~a19~0)| 1)) (and .cse0 (not (= ~a28~0 8))) (not (= 0 |old(~a25~0)|)) (and .cse0 (= ~a25~0 0)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse1) (and (not (= ~a28~0 ~a17~0)) .cse2))) [2023-03-30 22:43:27,134 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-03-30 22:43:27,134 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-03-30 22:43:27,134 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-03-30 22:43:27,135 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse2 (<= ~a17~0 7))) (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (and .cse0 .cse1 (not (= ~a11~0 1))) (not (= |old(~a19~0)| 1)) (and .cse0 (not (= ~a28~0 8))) (not (= 0 |old(~a25~0)|)) (and .cse0 (= ~a25~0 0)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse1) (and (not (= ~a28~0 ~a17~0)) .cse2))) [2023-03-30 22:43:27,135 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:27,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:27,135 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~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)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 22:43:27,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:27,135 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-03-30 22:43:27,135 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-03-30 22:43:27,135 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-03-30 22:43:27,136 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,137 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-03-30 22:43:27,138 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,139 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-03-30 22:43:27,140 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,141 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-03-30 22:43:27,142 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-03-30 22:43:27,143 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-03-30 22:43:27,144 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-03-30 22:43:27,145 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-03-30 22:43:27,146 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,147 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-03-30 22:43:27,148 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-03-30 22:43:27,149 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-30 22:43:27,150 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse3 (= ~a17~0 8)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (not (= 8 |old(~a17~0)|))) (.cse2 (and .cse3 .cse4 .cse10 .cse5 .cse7)) (.cse6 (= ~a19~0 1)) (.cse8 (not (= |old(~a19~0)| 1))) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4 .cse5 .cse6 .cse7) (= |old(~a11~0)| 1) .cse8 .cse0) (or (not (= 0 |old(~a25~0)|)) .cse0 .cse2) (or (< 8 |old(~a17~0)|) (< 7 |old(~a28~0)|) (and .cse4 .cse9 .cse5 .cse6 .cse7) .cse8) (or (and .cse4 .cse10 .cse9 .cse5 .cse7) .cse1 (< 7 |old(~a17~0)|))))) [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,151 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-03-30 22:43:27,152 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-03-30 22:43:27,153 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-03-30 22:43:27,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:27,154 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:43:27,157 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:27,159 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:43:27,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:43:27 BoogieIcfgContainer [2023-03-30 22:43:27,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:43:27,174 INFO L158 Benchmark]: Toolchain (without parser) took 17541.07ms. Allocated memory was 271.6MB in the beginning and 588.3MB in the end (delta: 316.7MB). Free memory was 222.7MB in the beginning and 254.8MB in the end (delta: -32.1MB). Peak memory consumption was 343.3MB. Max. memory is 8.0GB. [2023-03-30 22:43:27,174 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:43:27,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.59ms. Allocated memory is still 271.6MB. Free memory was 222.2MB in the beginning and 195.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:27,175 INFO L158 Benchmark]: Boogie Preprocessor took 108.27ms. Allocated memory is still 271.6MB. Free memory was 195.9MB in the beginning and 191.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:27,175 INFO L158 Benchmark]: RCFGBuilder took 1145.16ms. Allocated memory is still 271.6MB. Free memory was 191.2MB in the beginning and 216.8MB in the end (delta: -25.6MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. [2023-03-30 22:43:27,175 INFO L158 Benchmark]: TraceAbstraction took 15775.59ms. Allocated memory was 271.6MB in the beginning and 588.3MB in the end (delta: 316.7MB). Free memory was 216.3MB in the beginning and 254.8MB in the end (delta: -38.5MB). Peak memory consumption was 335.8MB. Max. memory is 8.0GB. [2023-03-30 22:43:27,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 507.59ms. Allocated memory is still 271.6MB. Free memory was 222.2MB in the beginning and 195.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 108.27ms. Allocated memory is still 271.6MB. Free memory was 195.9MB in the beginning and 191.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1145.16ms. Allocated memory is still 271.6MB. Free memory was 191.2MB in the beginning and 216.8MB in the end (delta: -25.6MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. * TraceAbstraction took 15775.59ms. Allocated memory was 271.6MB in the beginning and 588.3MB in the end (delta: 316.7MB). Free memory was 216.3MB in the beginning and 254.8MB in the end (delta: -38.5MB). Peak memory consumption was 335.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 488]: 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, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6331 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6331 mSDsluCounter, 479 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 289 mSDsCounter, 910 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6330 IncrementalHoareTripleChecker+Invalid, 7240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 910 mSolverCounterUnsat, 190 mSDtfsCounter, 6330 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1130 GetRequests, 1050 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2579occurred 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 976 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 124 NumberOfFragments, 358 HoareAnnotationTreeSize, 76 FomulaSimplifications, 30340 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3147 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1671 NumberOfCodeBlocks, 1671 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1961 ConstructedInterpolants, 0 QuantifiedInterpolants, 6766 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2068 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 572/615 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: 616]: Loop Invariant Derived loop invariant: ((((((((0 < \old(a11) || 7 < \old(a28)) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(\old(a19) == 1)) || (a17 == 8 && !(a28 == 8))) || !(0 == \old(a25))) || (a17 == 8 && a25 == 0)) || !(8 == \old(a17))) || (a17 <= 7 && a19 == 1)) || (!(a28 == a17) && a17 <= 7) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:43:27,196 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...