/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_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:42:17,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:42:17,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:42:17,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:42:17,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:42:17,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:42:17,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:42:17,786 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 22:42:17,803 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:42:17,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:42:17,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:42:17,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:42:17,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:42:17,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:42:17,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:42:17,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:42:17,805 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:42:17,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:42:17,806 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:42:17,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:42:17,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:42:17,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:42:17,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:42:17,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:42:17,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:42:17,807 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:42:17,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:42:17,807 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:42:17,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:42:17,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:42:17,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:42:17,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:42:17,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:42:17,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:42:17,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:42:17,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:42:17,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:42:17,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:42:17,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:42:17,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:42:17,809 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:42:17,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:42:17,809 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:42:17,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:42:17,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:42:18,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:42:18,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:42:18,007 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:42:18,008 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:42:18,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2023-03-30 22:42:19,109 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:42:19,387 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:42:19,387 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2023-03-30 22:42:19,403 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8a6331f6/0efc0f8f7b144a40aa83169109eb360e/FLAGb088d218c [2023-03-30 22:42:19,418 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8a6331f6/0efc0f8f7b144a40aa83169109eb360e [2023-03-30 22:42:19,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:42:19,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:42:19,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:42:19,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:42:19,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:42:19,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bd7a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19, skipping insertion in model container [2023-03-30 22:42:19,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:42:19,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:42:19,723 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_label00.c[18487,18500] [2023-03-30 22:42:19,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:42:19,764 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:42:19,855 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_label00.c[18487,18500] [2023-03-30 22:42:19,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:42:19,877 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:42:19,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19 WrapperNode [2023-03-30 22:42:19,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:42:19,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:42:19,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:42:19,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:42:19,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,968 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:42:19,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:42:19,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:42:19,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:42:19,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (1/1) ... [2023-03-30 22:42:19,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:42:19,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:20,008 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 22:42:20,029 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 22:42:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:42:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:42:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:42:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:42:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:42:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:42:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:42:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:42:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:42:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:42:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:42:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:42:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:42:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:42:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:42:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:42:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:42:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:42:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:42:20,143 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:42:20,144 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:42:21,001 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:42:21,009 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:42:21,009 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:42:21,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:42:21 BoogieIcfgContainer [2023-03-30 22:42:21,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:42:21,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:42:21,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:42:21,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:42:21,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:42:19" (1/3) ... [2023-03-30 22:42:21,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a9dbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:42:21, skipping insertion in model container [2023-03-30 22:42:21,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:19" (2/3) ... [2023-03-30 22:42:21,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a9dbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:42:21, skipping insertion in model container [2023-03-30 22:42:21,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:42:21" (3/3) ... [2023-03-30 22:42:21,018 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2023-03-30 22:42:21,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:42:21,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:42:21,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:42:21,085 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;@7d14ec31, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:42:21,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:42:21,091 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 22:42:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-03-30 22:42:21,104 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:21,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:21,105 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:21,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:21,110 INFO L85 PathProgramCache]: Analyzing trace with hash -851646636, now seen corresponding path program 1 times [2023-03-30 22:42:21,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:21,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660236663] [2023-03-30 22:42:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:21,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:21,870 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 22:42:21,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:21,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660236663] [2023-03-30 22:42:21,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660236663] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:42:21,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:42:21,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-30 22:42:21,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686668238] [2023-03-30 22:42:21,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:42:21,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:42:21,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:21,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:42:21,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-30 22:42:21,924 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 5 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 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 22:42:23,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:23,649 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2023-03-30 22:42:23,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-30 22:42:23,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 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 121 [2023-03-30 22:42:23,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:23,675 INFO L225 Difference]: With dead ends: 813 [2023-03-30 22:42:23,675 INFO L226 Difference]: Without dead ends: 488 [2023-03-30 22:42:23,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:42:23,687 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 821 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:23,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 49 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-03-30 22:42:23,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2023-03-30 22:42:23,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2023-03-30 22:42:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 469 states have (on average 1.443496801705757) internal successors, (677), 471 states have internal predecessors, (677), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-30 22:42:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2023-03-30 22:42:23,784 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 121 [2023-03-30 22:42:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:23,785 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2023-03-30 22:42:23,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 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 22:42:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2023-03-30 22:42:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-03-30 22:42:23,790 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:23,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:23,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:42:23,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:23,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:23,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1490342432, now seen corresponding path program 1 times [2023-03-30 22:42:23,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:23,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718662589] [2023-03-30 22:42:23,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:23,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:42:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:24,478 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 22:42:24,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:24,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718662589] [2023-03-30 22:42:24,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718662589] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:42:24,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980113558] [2023-03-30 22:42:24,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:24,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:42:24,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:24,485 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 22:42:24,516 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 22:42:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:24,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:42:24,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:42:24,919 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 22:42:24,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:42:24,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980113558] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:42:24,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:42:24,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:42:24,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881686397] [2023-03-30 22:42:24,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:42:24,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:42:24,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:24,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:42:24,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:42:24,923 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 22:42:25,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:25,327 INFO L93 Difference]: Finished difference Result 1246 states and 1820 transitions. [2023-03-30 22:42:25,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:42:25,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 129 [2023-03-30 22:42:25,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:25,341 INFO L225 Difference]: With dead ends: 1246 [2023-03-30 22:42:25,341 INFO L226 Difference]: Without dead ends: 771 [2023-03-30 22:42:25,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 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 22:42:25,344 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 105 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 55 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 22:42:25,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 55 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 22:42:25,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-03-30 22:42:25,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 626. [2023-03-30 22:42:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 610 states have (on average 1.460655737704918) internal successors, (891), 614 states have internal predecessors, (891), 6 states have call successors, (6), 6 states have call predecessors, (6), 9 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2023-03-30 22:42:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 917 transitions. [2023-03-30 22:42:25,409 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 917 transitions. Word has length 129 [2023-03-30 22:42:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:25,411 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 917 transitions. [2023-03-30 22:42:25,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 22:42:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 917 transitions. [2023-03-30 22:42:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-03-30 22:42:25,420 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:25,420 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:25,433 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 22:42:25,626 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 22:42:25,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:25,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:25,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1601134787, now seen corresponding path program 1 times [2023-03-30 22:42:25,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:25,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489749972] [2023-03-30 22:42:25,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:25,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:42:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:42:25,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:25,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489749972] [2023-03-30 22:42:25,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489749972] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:42:25,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:42:25,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 22:42:25,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680144985] [2023-03-30 22:42:25,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:42:25,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 22:42:25,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:25,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 22:42:25,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:42:25,920 INFO L87 Difference]: Start difference. First operand 626 states and 917 transitions. Second operand has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 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 22:42:26,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:26,827 INFO L93 Difference]: Finished difference Result 1923 states and 2930 transitions. [2023-03-30 22:42:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:42:26,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 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 143 [2023-03-30 22:42:26,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:26,839 INFO L225 Difference]: With dead ends: 1923 [2023-03-30 22:42:26,839 INFO L226 Difference]: Without dead ends: 1303 [2023-03-30 22:42:26,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:42:26,843 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 542 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:26,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 93 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:42:26,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2023-03-30 22:42:26,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1256. [2023-03-30 22:42:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1217 states have (on average 1.4075595727198027) internal successors, (1713), 1236 states have internal predecessors, (1713), 10 states have call successors, (10), 10 states have call predecessors, (10), 28 states have return successors, (86), 9 states have call predecessors, (86), 9 states have call successors, (86) [2023-03-30 22:42:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1809 transitions. [2023-03-30 22:42:26,901 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1809 transitions. Word has length 143 [2023-03-30 22:42:26,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:26,902 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 1809 transitions. [2023-03-30 22:42:26,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 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 22:42:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1809 transitions. [2023-03-30 22:42:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-03-30 22:42:26,907 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:26,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:26,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-30 22:42:26,908 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:26,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash 991684939, now seen corresponding path program 1 times [2023-03-30 22:42:26,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:26,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253883624] [2023-03-30 22:42:26,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:42:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:27,525 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 22:42:27,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:27,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253883624] [2023-03-30 22:42:27,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253883624] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:42:27,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000392717] [2023-03-30 22:42:27,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:27,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:42:27,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:27,533 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 22:42:27,545 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 22:42:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:27,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-30 22:42:27,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:42:27,724 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 22:42:27,724 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:42:27,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000392717] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:42:27,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:42:27,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-03-30 22:42:27,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811739139] [2023-03-30 22:42:27,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:42:27,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:42:27,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:27,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:42:27,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:42:27,726 INFO L87 Difference]: Start difference. First operand 1256 states and 1809 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 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 22:42:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:28,258 INFO L93 Difference]: Finished difference Result 3764 states and 5800 transitions. [2023-03-30 22:42:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-30 22:42:28,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 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 147 [2023-03-30 22:42:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:28,275 INFO L225 Difference]: With dead ends: 3764 [2023-03-30 22:42:28,276 INFO L226 Difference]: Without dead ends: 2514 [2023-03-30 22:42:28,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 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 22:42:28,283 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 569 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:28,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 104 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 22:42:28,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2023-03-30 22:42:28,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2470. [2023-03-30 22:42:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2470 states, 2383 states have (on average 1.3331934536298784) internal successors, (3177), 2434 states have internal predecessors, (3177), 18 states have call successors, (18), 18 states have call predecessors, (18), 68 states have return successors, (319), 17 states have call predecessors, (319), 17 states have call successors, (319) [2023-03-30 22:42:28,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2470 states and 3514 transitions. [2023-03-30 22:42:28,403 INFO L78 Accepts]: Start accepts. Automaton has 2470 states and 3514 transitions. Word has length 147 [2023-03-30 22:42:28,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:28,404 INFO L495 AbstractCegarLoop]: Abstraction has 2470 states and 3514 transitions. [2023-03-30 22:42:28,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 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 22:42:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3514 transitions. [2023-03-30 22:42:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-03-30 22:42:28,411 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:28,411 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:28,420 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 22:42:28,617 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 22:42:28,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:28,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:28,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2057180529, now seen corresponding path program 1 times [2023-03-30 22:42:28,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:28,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074432264] [2023-03-30 22:42:28,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:28,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:42:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:42:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:42:28,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:28,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074432264] [2023-03-30 22:42:28,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074432264] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:42:28,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136910114] [2023-03-30 22:42:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:28,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:42:28,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:28,861 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 22:42:28,886 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 22:42:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:28,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:42:28,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:42:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:42:29,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:42:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:42:29,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136910114] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:42:29,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:42:29,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-03-30 22:42:29,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882062399] [2023-03-30 22:42:29,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:42:29,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:42:29,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:29,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:42:29,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:42:29,162 INFO L87 Difference]: Start difference. First operand 2470 states and 3514 transitions. Second operand has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 10 states have internal predecessors, (188), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:42:31,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:31,033 INFO L93 Difference]: Finished difference Result 8641 states and 13401 transitions. [2023-03-30 22:42:31,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-30 22:42:31,034 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 10 states have internal predecessors, (188), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 151 [2023-03-30 22:42:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:31,069 INFO L225 Difference]: With dead ends: 8641 [2023-03-30 22:42:31,070 INFO L226 Difference]: Without dead ends: 6177 [2023-03-30 22:42:31,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 307 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-03-30 22:42:31,082 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1907 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:31,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 125 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-03-30 22:42:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6177 states. [2023-03-30 22:42:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6177 to 5900. [2023-03-30 22:42:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5900 states, 5709 states have (on average 1.2000350324049747) internal successors, (6851), 5818 states have internal predecessors, (6851), 41 states have call successors, (41), 41 states have call predecessors, (41), 149 states have return successors, (804), 40 states have call predecessors, (804), 40 states have call successors, (804) [2023-03-30 22:42:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 7696 transitions. [2023-03-30 22:42:31,315 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 7696 transitions. Word has length 151 [2023-03-30 22:42:31,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:31,315 INFO L495 AbstractCegarLoop]: Abstraction has 5900 states and 7696 transitions. [2023-03-30 22:42:31,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 10 states have internal predecessors, (188), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:42:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 7696 transitions. [2023-03-30 22:42:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-03-30 22:42:31,327 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:31,328 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:31,342 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 22:42:31,533 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 22:42:31,534 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:31,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:31,534 INFO L85 PathProgramCache]: Analyzing trace with hash -181967311, now seen corresponding path program 1 times [2023-03-30 22:42:31,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:31,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394177747] [2023-03-30 22:42:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:31,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:42:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:42:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-30 22:42:32,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:32,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394177747] [2023-03-30 22:42:32,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394177747] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:42:32,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536365199] [2023-03-30 22:42:32,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:32,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:42:32,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:32,188 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 22:42:32,217 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 22:42:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:32,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:42:32,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:42:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-30 22:42:32,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:42:32,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536365199] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:42:32,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:42:32,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 22:42:32,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923766446] [2023-03-30 22:42:32,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:42:32,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:42:32,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:32,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:42:32,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:42:32,432 INFO L87 Difference]: Start difference. First operand 5900 states and 7696 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:42:32,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:32,871 INFO L93 Difference]: Finished difference Result 11794 states and 15390 transitions. [2023-03-30 22:42:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:42:32,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 156 [2023-03-30 22:42:32,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:32,893 INFO L225 Difference]: With dead ends: 11794 [2023-03-30 22:42:32,894 INFO L226 Difference]: Without dead ends: 4980 [2023-03-30 22:42:32,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:42:32,910 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 46 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:32,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 261 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:42:32,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2023-03-30 22:42:33,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 4686. [2023-03-30 22:42:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4686 states, 4540 states have (on average 1.112114537444934) internal successors, (5049), 4620 states have internal predecessors, (5049), 33 states have call successors, (33), 33 states have call predecessors, (33), 112 states have return successors, (401), 32 states have call predecessors, (401), 32 states have call successors, (401) [2023-03-30 22:42:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4686 states and 5483 transitions. [2023-03-30 22:42:33,104 INFO L78 Accepts]: Start accepts. Automaton has 4686 states and 5483 transitions. Word has length 156 [2023-03-30 22:42:33,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:33,104 INFO L495 AbstractCegarLoop]: Abstraction has 4686 states and 5483 transitions. [2023-03-30 22:42:33,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:42:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4686 states and 5483 transitions. [2023-03-30 22:42:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-03-30 22:42:33,114 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:33,114 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:33,125 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 22:42:33,321 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 22:42:33,322 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:33,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:33,322 INFO L85 PathProgramCache]: Analyzing trace with hash 126408487, now seen corresponding path program 1 times [2023-03-30 22:42:33,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:33,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087856652] [2023-03-30 22:42:33,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:33,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:33,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:42:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:42:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:42:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087856652] [2023-03-30 22:42:33,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087856652] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:42:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766150334] [2023-03-30 22:42:33,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:33,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:42:33,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:33,544 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 22:42:33,546 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 22:42:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:33,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-30 22:42:33,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:42:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:42:33,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:42:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:42:33,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766150334] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:42:33,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:42:33,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2023-03-30 22:42:33,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874089550] [2023-03-30 22:42:33,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:42:33,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 22:42:33,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:33,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 22:42:33,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:42:33,808 INFO L87 Difference]: Start difference. First operand 4686 states and 5483 transitions. Second operand has 8 states, 8 states have (on average 24.125) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-30 22:42:35,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:35,253 INFO L93 Difference]: Finished difference Result 9541 states and 11463 transitions. [2023-03-30 22:42:35,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:42:35,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.125) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 169 [2023-03-30 22:42:35,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:35,276 INFO L225 Difference]: With dead ends: 9541 [2023-03-30 22:42:35,276 INFO L226 Difference]: Without dead ends: 4861 [2023-03-30 22:42:35,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-03-30 22:42:35,288 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 519 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:35,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 104 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-30 22:42:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4861 states. [2023-03-30 22:42:35,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4861 to 4442. [2023-03-30 22:42:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 4282 states have (on average 1.083372255955161) internal successors, (4639), 4379 states have internal predecessors, (4639), 32 states have call successors, (32), 31 states have call predecessors, (32), 127 states have return successors, (307), 31 states have call predecessors, (307), 31 states have call successors, (307) [2023-03-30 22:42:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 4978 transitions. [2023-03-30 22:42:35,420 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 4978 transitions. Word has length 169 [2023-03-30 22:42:35,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:35,420 INFO L495 AbstractCegarLoop]: Abstraction has 4442 states and 4978 transitions. [2023-03-30 22:42:35,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.125) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-30 22:42:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 4978 transitions. [2023-03-30 22:42:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-03-30 22:42:35,431 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:35,431 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:35,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-03-30 22:42:35,637 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 22:42:35,638 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:35,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1410151749, now seen corresponding path program 1 times [2023-03-30 22:42:35,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:35,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374547715] [2023-03-30 22:42:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:35,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:42:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:35,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:42:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-30 22:42:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-30 22:42:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-03-30 22:42:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 148 proven. 23 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-03-30 22:42:36,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:36,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374547715] [2023-03-30 22:42:36,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374547715] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:42:36,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183566800] [2023-03-30 22:42:36,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:36,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:42:36,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:36,060 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:42:36,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 22:42:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:36,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:42:36,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:42:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-03-30 22:42:36,250 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:42:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 152 proven. 26 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-03-30 22:42:36,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183566800] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:42:36,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:42:36,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2023-03-30 22:42:36,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884112865] [2023-03-30 22:42:36,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:42:36,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-30 22:42:36,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:36,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-30 22:42:36,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-03-30 22:42:36,323 INFO L87 Difference]: Start difference. First operand 4442 states and 4978 transitions. Second operand has 13 states, 13 states have (on average 17.692307692307693) internal successors, (230), 11 states have internal predecessors, (230), 4 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-03-30 22:42:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:37,228 INFO L93 Difference]: Finished difference Result 7804 states and 8868 transitions. [2023-03-30 22:42:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:42:37,229 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.692307692307693) internal successors, (230), 11 states have internal predecessors, (230), 4 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 270 [2023-03-30 22:42:37,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:37,230 INFO L225 Difference]: With dead ends: 7804 [2023-03-30 22:42:37,230 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:42:37,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 550 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2023-03-30 22:42:37,243 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 877 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:37,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 50 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:42:37,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:42:37,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:42:37,244 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 22:42:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:42:37,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2023-03-30 22:42:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:37,245 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:42:37,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.692307692307693) internal successors, (230), 11 states have internal predecessors, (230), 4 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-03-30 22:42:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:42:37,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:42:37,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:42:37,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-30 22:42:37,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:42:37,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:42:45,797 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:42:45,797 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:42:45,797 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:42:45,797 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:42:45,798 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 9)) (.cse4 (<= ~a17~0 8)) (.cse2 (= ~a25~0 0)) (.cse6 (<= 10 ~a28~0)) (.cse5 (= ~a19~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse7 (< ~a28~0 11))) (or (and .cse0 .cse1 .cse2) (< 0 |old(~a11~0)|) (< 9 |old(~a28~0)|) (and .cse3 .cse1 .cse4 .cse5) (not (= |old(~a19~0)| 1)) (and .cse3 .cse4 (= ~a28~0 9)) (and .cse6 .cse4 .cse7 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse6 (<= ~a11~0 0) .cse7 .cse5) (and .cse6 (<= 8 ~a17~0) .cse7 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3 .cse5) (and .cse0 .cse3 .cse7 (not (= ~a11~0 1))))) [2023-03-30 22:42:45,798 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-03-30 22:42:45,798 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-03-30 22:42:45,801 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 9 |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 22:42:45,801 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 9)) (.cse4 (<= ~a17~0 8)) (.cse2 (= ~a25~0 0)) (.cse6 (<= 10 ~a28~0)) (.cse5 (= ~a19~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse7 (< ~a28~0 11))) (or (and .cse0 .cse1 .cse2) (< 0 |old(~a11~0)|) (< 9 |old(~a28~0)|) (and .cse3 .cse1 .cse4 .cse5) (not (= |old(~a19~0)| 1)) (and .cse3 .cse4 (= ~a28~0 9)) (and .cse6 .cse4 .cse7 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse6 (<= ~a11~0 0) .cse7 .cse5) (and .cse6 (<= 8 ~a17~0) .cse7 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3 .cse5) (and .cse0 .cse3 .cse7 (not (= ~a11~0 1))))) [2023-03-30 22:42:45,801 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:42:45,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:42:45,802 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 22:42:45,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:42:45,802 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-03-30 22:42:45,802 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-03-30 22:42:45,802 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-03-30 22:42:45,802 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,802 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,802 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-03-30 22:42:45,803 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,804 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:42:45,805 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 527) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-03-30 22:42:45,806 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:42:45,807 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-03-30 22:42:45,808 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,809 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-03-30 22:42:45,810 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,811 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-03-30 22:42:45,812 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-03-30 22:42:45,813 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,814 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-03-30 22:42:45,815 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,816 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-03-30 22:42:45,817 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a19~0 1))) (let ((.cse0 (<= 11 |old(~a28~0)|)) (.cse3 (< |old(~a28~0)| 10)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a25~0 0)) (.cse5 (not (= 0 |old(~a25~0)|))) (.cse4 (< 8 |old(~a17~0)|)) (.cse15 (< 9 |old(~a28~0)|)) (.cse1 (and .cse6 .cse8 .cse9 .cse16 (= ~a25~0 |old(~a25~0)|))) (.cse13 (not (= |old(~a25~0)| 1))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse11 (= ~a17~0 8)) (.cse12 (= ~a25~0 1)) (.cse14 (not (= 8 |old(~a17~0)|)))) (and (or (< 0 |old(~a11~0)|) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3 (and .cse6 .cse7 .cse8 .cse9 .cse10)) (or (and .cse11 .cse6 .cse12 .cse7 .cse9) .cse13 .cse0 (= |old(~a11~0)| 1) .cse14) (or .cse0 (< |old(~a17~0)| 8) .cse1 .cse2 .cse3) (or .cse4 .cse13 (not (= 9 |old(~a28~0)|)) (and .cse6 .cse12 .cse7 .cse8 (= ~a28~0 9))) (or (and .cse11 .cse6 .cse7 .cse9 .cse10) .cse15 .cse5 .cse14) (or .cse4 .cse13 .cse15 .cse1 .cse2) (or .cse13 .cse2 (and .cse11 .cse6 .cse12 .cse9 .cse16) .cse14)))) [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-03-30 22:42:45,818 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,819 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-03-30 22:42:45,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:42:45,821 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a28~0 9) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0)) [2023-03-30 22:42:45,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:42:45,821 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:42:45,824 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:45,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:42:45,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:42:45 BoogieIcfgContainer [2023-03-30 22:42:45,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:42:45,841 INFO L158 Benchmark]: Toolchain (without parser) took 26419.30ms. Allocated memory was 255.9MB in the beginning and 563.1MB in the end (delta: 307.2MB). Free memory was 218.5MB in the beginning and 420.4MB in the end (delta: -202.0MB). Peak memory consumption was 351.2MB. Max. memory is 8.0GB. [2023-03-30 22:42:45,841 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 195.0MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:42:45,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.34ms. Allocated memory is still 255.9MB. Free memory was 218.5MB in the beginning and 191.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-30 22:42:45,842 INFO L158 Benchmark]: Boogie Preprocessor took 101.15ms. Allocated memory is still 255.9MB. Free memory was 191.7MB in the beginning and 187.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 22:42:45,842 INFO L158 Benchmark]: RCFGBuilder took 1030.54ms. Allocated memory is still 255.9MB. Free memory was 187.0MB in the beginning and 193.9MB in the end (delta: -6.9MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2023-03-30 22:42:45,842 INFO L158 Benchmark]: TraceAbstraction took 24827.77ms. Allocated memory was 255.9MB in the beginning and 563.1MB in the end (delta: 307.2MB). Free memory was 193.4MB in the beginning and 420.4MB in the end (delta: -227.0MB). Peak memory consumption was 326.1MB. Max. memory is 8.0GB. [2023-03-30 22:42:45,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 195.0MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 455.34ms. Allocated memory is still 255.9MB. Free memory was 218.5MB in the beginning and 191.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 101.15ms. Allocated memory is still 255.9MB. Free memory was 191.7MB in the beginning and 187.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1030.54ms. Allocated memory is still 255.9MB. Free memory was 187.0MB in the beginning and 193.9MB in the end (delta: -6.9MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * TraceAbstraction took 24827.77ms. Allocated memory was 255.9MB in the beginning and 563.1MB in the end (delta: 307.2MB). Free memory was 193.4MB in the beginning and 420.4MB in the end (delta: -227.0MB). Peak memory consumption was 326.1MB. 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: 527]: 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: 24.8s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5388 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5386 mSDsluCounter, 841 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 399 mSDsCounter, 1096 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7090 IncrementalHoareTripleChecker+Invalid, 8186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1096 mSolverCounterUnsat, 442 mSDtfsCounter, 7090 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1739 GetRequests, 1651 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5900occurred in iteration=5, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 1233 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 177 PreInvPairs, 263 NumberOfFragments, 578 HoareAnnotationTreeSize, 177 FomulaSimplifications, 62984 FormulaSimplificationTreeSizeReduction, 6.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12631 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2308 NumberOfCodeBlocks, 2308 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2881 ConstructedInterpolants, 0 QuantifiedInterpolants, 10141 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2749 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 1157/1230 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: (((((((((((((a17 == 8 && a28 <= 9) && a25 == 0) || 0 < \old(a11)) || 9 < \old(a28)) || (((a25 == 1 && a28 <= 9) && a17 <= 8) && a19 == 1)) || !(\old(a19) == 1)) || ((a25 == 1 && a17 <= 8) && a28 == 9)) || (((10 <= a28 && a17 <= 8) && a28 < 11) && a25 == 0)) || !(0 == \old(a25))) || (((10 <= a28 && a11 <= 0) && a28 < 11) && a19 == 1)) || (((10 <= a28 && 8 <= a17) && a28 < 11) && a19 == 1)) || !(8 == \old(a17))) || ((a17 == 8 && a25 == 1) && a19 == 1)) || (((a17 == 8 && a25 == 1) && a28 < 11) && !(a11 == 1)) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:42:45,860 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...