/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:27:06,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:27:06,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:27:06,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:27:06,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:27:06,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:27:06,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:27:06,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:27:06,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:27:06,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:27:06,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:27:06,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:27:06,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:27:06,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:27:06,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:27:06,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:27:06,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:27:06,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:27:06,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:27:06,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:27:06,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:27:06,407 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:27:06,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:27:06,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:27:06,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:27:06,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:27:06,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:27:06,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:27:06,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:27:06,413 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:27:06,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:27:06,414 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:27:06,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:27:06,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:27:06,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:27:06,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:27:06,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:27:06,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:27:06,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:27:06,416 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:27:06,416 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:27:06,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:27:06,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:27:06,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:27:06,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:27:06,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:27:06,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:27:06,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:27:06,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:27:06,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:27:06,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:27:06,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:27:06,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:27:06,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:27:06,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:27:06,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:27:06,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:27:06,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:27:06,900 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:27:06,901 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:27:06,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c [2022-10-16 15:27:06,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa3937bd/ff49c772f94c4c8a9c95f95b35e74057/FLAGdb29deb0c [2022-10-16 15:27:07,866 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:27:07,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c [2022-10-16 15:27:07,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa3937bd/ff49c772f94c4c8a9c95f95b35e74057/FLAGdb29deb0c [2022-10-16 15:27:07,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa3937bd/ff49c772f94c4c8a9c95f95b35e74057 [2022-10-16 15:27:07,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:27:07,999 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:27:08,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:27:08,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:27:08,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:27:08,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:27:07" (1/1) ... [2022-10-16 15:27:08,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d275df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08, skipping insertion in model container [2022-10-16 15:27:08,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:27:07" (1/1) ... [2022-10-16 15:27:08,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:27:08,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:27:08,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c[65471,65484] [2022-10-16 15:27:08,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:27:08,654 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:27:08,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c[65471,65484] [2022-10-16 15:27:08,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:27:08,833 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:27:08,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08 WrapperNode [2022-10-16 15:27:08,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:27:08,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:27:08,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:27:08,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:27:08,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:08,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,012 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2193 [2022-10-16 15:27:09,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:27:09,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:27:09,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:27:09,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:27:09,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:27:09,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:27:09,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:27:09,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:27:09,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (1/1) ... [2022-10-16 15:27:09,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:27:09,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:27:09,220 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) [2022-10-16 15:27:09,239 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 [2022-10-16 15:27:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:27:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:27:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:27:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:27:09,510 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:27:09,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:27:11,537 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:27:11,555 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:27:11,555 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:27:11,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:27:11 BoogieIcfgContainer [2022-10-16 15:27:11,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:27:11,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:27:11,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:27:11,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:27:11,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:27:07" (1/3) ... [2022-10-16 15:27:11,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaf1d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:27:11, skipping insertion in model container [2022-10-16 15:27:11,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:08" (2/3) ... [2022-10-16 15:27:11,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaf1d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:27:11, skipping insertion in model container [2022-10-16 15:27:11,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:27:11" (3/3) ... [2022-10-16 15:27:11,570 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c [2022-10-16 15:27:11,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:27:11,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-10-16 15:27:11,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:27:11,691 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=FINITE_AUTOMATA, 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;@1eaca974, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:27:11,691 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-10-16 15:27:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 859 states, 796 states have (on average 1.8605527638190955) internal successors, (1481), 858 states have internal predecessors, (1481), 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) [2022-10-16 15:27:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:27:11,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:11,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:11,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:11,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:11,739 INFO L85 PathProgramCache]: Analyzing trace with hash -72272778, now seen corresponding path program 1 times [2022-10-16 15:27:11,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:11,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103070236] [2022-10-16 15:27:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:11,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:12,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:12,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103070236] [2022-10-16 15:27:12,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103070236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:12,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:12,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:12,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111550891] [2022-10-16 15:27:12,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:12,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:27:12,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:12,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:27:12,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:27:12,512 INFO L87 Difference]: Start difference. First operand has 859 states, 796 states have (on average 1.8605527638190955) internal successors, (1481), 858 states have internal predecessors, (1481), 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) Second operand has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 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) [2022-10-16 15:27:12,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:12,614 INFO L93 Difference]: Finished difference Result 1168 states and 1926 transitions. [2022-10-16 15:27:12,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:27:12,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 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) Word has length 130 [2022-10-16 15:27:12,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:12,650 INFO L225 Difference]: With dead ends: 1168 [2022-10-16 15:27:12,650 INFO L226 Difference]: Without dead ends: 854 [2022-10-16 15:27:12,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:27:12,662 INFO L413 NwaCegarLoop]: 1478 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:12,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:12,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2022-10-16 15:27:12,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2022-10-16 15:27:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 792 states have (on average 1.8598484848484849) internal successors, (1473), 853 states have internal predecessors, (1473), 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) [2022-10-16 15:27:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1473 transitions. [2022-10-16 15:27:12,770 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1473 transitions. Word has length 130 [2022-10-16 15:27:12,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:12,774 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 1473 transitions. [2022-10-16 15:27:12,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 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) [2022-10-16 15:27:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1473 transitions. [2022-10-16 15:27:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:27:12,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:12,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:12,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:27:12,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:12,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:12,797 INFO L85 PathProgramCache]: Analyzing trace with hash -70425736, now seen corresponding path program 1 times [2022-10-16 15:27:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:12,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441787888] [2022-10-16 15:27:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:12,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:13,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:13,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441787888] [2022-10-16 15:27:13,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441787888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:13,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:13,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:27:13,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45057245] [2022-10-16 15:27:13,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:13,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:27:13,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:13,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:27:13,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:27:13,395 INFO L87 Difference]: Start difference. First operand 854 states and 1473 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2022-10-16 15:27:13,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:13,552 INFO L93 Difference]: Finished difference Result 1161 states and 1914 transitions. [2022-10-16 15:27:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:27:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) Word has length 130 [2022-10-16 15:27:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:13,560 INFO L225 Difference]: With dead ends: 1161 [2022-10-16 15:27:13,560 INFO L226 Difference]: Without dead ends: 854 [2022-10-16 15:27:13,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:27:13,565 INFO L413 NwaCegarLoop]: 1471 mSDtfsCounter, 3 mSDsluCounter, 4345 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5816 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:13,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5816 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:13,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2022-10-16 15:27:13,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2022-10-16 15:27:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 792 states have (on average 1.7777777777777777) internal successors, (1408), 853 states have internal predecessors, (1408), 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) [2022-10-16 15:27:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1408 transitions. [2022-10-16 15:27:13,612 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1408 transitions. Word has length 130 [2022-10-16 15:27:13,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:13,617 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 1408 transitions. [2022-10-16 15:27:13,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2022-10-16 15:27:13,618 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1408 transitions. [2022-10-16 15:27:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-10-16 15:27:13,623 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:13,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:13,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:27:13,625 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:13,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:13,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2068480294, now seen corresponding path program 1 times [2022-10-16 15:27:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:13,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651493070] [2022-10-16 15:27:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:13,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:13,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:13,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651493070] [2022-10-16 15:27:13,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651493070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:13,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:13,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:13,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002329801] [2022-10-16 15:27:13,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:13,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:13,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:13,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:13,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:13,997 INFO L87 Difference]: Start difference. First operand 854 states and 1408 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2022-10-16 15:27:14,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:14,058 INFO L93 Difference]: Finished difference Result 1426 states and 2225 transitions. [2022-10-16 15:27:14,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:14,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) Word has length 194 [2022-10-16 15:27:14,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:14,067 INFO L225 Difference]: With dead ends: 1426 [2022-10-16 15:27:14,068 INFO L226 Difference]: Without dead ends: 1123 [2022-10-16 15:27:14,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:14,071 INFO L413 NwaCegarLoop]: 1784 mSDtfsCounter, 408 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 3142 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:14,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 3142 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:14,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2022-10-16 15:27:14,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1063. [2022-10-16 15:27:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1001 states have (on average 1.7852147852147853) internal successors, (1787), 1062 states have internal predecessors, (1787), 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) [2022-10-16 15:27:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1787 transitions. [2022-10-16 15:27:14,116 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1787 transitions. Word has length 194 [2022-10-16 15:27:14,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:14,117 INFO L495 AbstractCegarLoop]: Abstraction has 1063 states and 1787 transitions. [2022-10-16 15:27:14,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2022-10-16 15:27:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1787 transitions. [2022-10-16 15:27:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-10-16 15:27:14,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:14,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:14,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:27:14,123 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:14,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:14,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1616983570, now seen corresponding path program 1 times [2022-10-16 15:27:14,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:14,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669779241] [2022-10-16 15:27:14,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:14,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:14,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:14,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669779241] [2022-10-16 15:27:14,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669779241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:14,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:14,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:14,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312513329] [2022-10-16 15:27:14,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:14,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:14,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:14,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:14,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:14,484 INFO L87 Difference]: Start difference. First operand 1063 states and 1787 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-16 15:27:14,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:14,590 INFO L93 Difference]: Finished difference Result 1832 states and 2984 transitions. [2022-10-16 15:27:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:14,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) Word has length 198 [2022-10-16 15:27:14,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:14,601 INFO L225 Difference]: With dead ends: 1832 [2022-10-16 15:27:14,601 INFO L226 Difference]: Without dead ends: 1320 [2022-10-16 15:27:14,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:14,620 INFO L413 NwaCegarLoop]: 1400 mSDtfsCounter, 370 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:14,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 2736 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-10-16 15:27:14,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1275. [2022-10-16 15:27:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1213 states have (on average 1.7807089859851608) internal successors, (2160), 1274 states have internal predecessors, (2160), 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) [2022-10-16 15:27:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 2160 transitions. [2022-10-16 15:27:14,682 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 2160 transitions. Word has length 198 [2022-10-16 15:27:14,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:14,683 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 2160 transitions. [2022-10-16 15:27:14,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-16 15:27:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 2160 transitions. [2022-10-16 15:27:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-10-16 15:27:14,687 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:14,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:14,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:27:14,688 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:14,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:14,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1187416186, now seen corresponding path program 1 times [2022-10-16 15:27:14,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:14,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273491356] [2022-10-16 15:27:14,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:14,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:14,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273491356] [2022-10-16 15:27:14,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273491356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:14,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:14,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:14,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766042969] [2022-10-16 15:27:14,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:14,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:14,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:14,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:14,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:14,972 INFO L87 Difference]: Start difference. First operand 1275 states and 2160 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2022-10-16 15:27:15,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:15,055 INFO L93 Difference]: Finished difference Result 2621 states and 4363 transitions. [2022-10-16 15:27:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:15,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) Word has length 202 [2022-10-16 15:27:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:15,067 INFO L225 Difference]: With dead ends: 2621 [2022-10-16 15:27:15,067 INFO L226 Difference]: Without dead ends: 1899 [2022-10-16 15:27:15,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:15,074 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 400 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:15,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 3111 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:15,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2022-10-16 15:27:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1839. [2022-10-16 15:27:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1777 states have (on average 1.7855936972425437) internal successors, (3173), 1838 states have internal predecessors, (3173), 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) [2022-10-16 15:27:15,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3173 transitions. [2022-10-16 15:27:15,144 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3173 transitions. Word has length 202 [2022-10-16 15:27:15,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:15,145 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 3173 transitions. [2022-10-16 15:27:15,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2022-10-16 15:27:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3173 transitions. [2022-10-16 15:27:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-16 15:27:15,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:15,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:15,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:27:15,150 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:15,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:15,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1960293414, now seen corresponding path program 1 times [2022-10-16 15:27:15,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:15,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664927260] [2022-10-16 15:27:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:15,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:15,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:15,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664927260] [2022-10-16 15:27:15,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664927260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:15,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:15,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:15,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523039173] [2022-10-16 15:27:15,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:15,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:15,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:15,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:15,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:15,478 INFO L87 Difference]: Start difference. First operand 1839 states and 3173 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-10-16 15:27:15,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:15,568 INFO L93 Difference]: Finished difference Result 3829 states and 6526 transitions. [2022-10-16 15:27:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:15,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) Word has length 206 [2022-10-16 15:27:15,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:15,584 INFO L225 Difference]: With dead ends: 3829 [2022-10-16 15:27:15,584 INFO L226 Difference]: Without dead ends: 2543 [2022-10-16 15:27:15,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:15,589 INFO L413 NwaCegarLoop]: 1405 mSDtfsCounter, 402 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:15,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 2750 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:15,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2543 states. [2022-10-16 15:27:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2543 to 2480. [2022-10-16 15:27:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2480 states, 2418 states have (on average 1.784119106699752) internal successors, (4314), 2479 states have internal predecessors, (4314), 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) [2022-10-16 15:27:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 4314 transitions. [2022-10-16 15:27:15,676 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 4314 transitions. Word has length 206 [2022-10-16 15:27:15,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:15,676 INFO L495 AbstractCegarLoop]: Abstraction has 2480 states and 4314 transitions. [2022-10-16 15:27:15,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-10-16 15:27:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 4314 transitions. [2022-10-16 15:27:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-16 15:27:15,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:15,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:15,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:27:15,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:15,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:15,683 INFO L85 PathProgramCache]: Analyzing trace with hash -547233102, now seen corresponding path program 1 times [2022-10-16 15:27:15,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:15,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756046962] [2022-10-16 15:27:15,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:15,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:15,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:15,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756046962] [2022-10-16 15:27:15,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756046962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:15,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:15,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:15,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841322345] [2022-10-16 15:27:15,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:15,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:15,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:15,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:15,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:15,939 INFO L87 Difference]: Start difference. First operand 2480 states and 4314 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2022-10-16 15:27:16,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:16,050 INFO L93 Difference]: Finished difference Result 6004 states and 10419 transitions. [2022-10-16 15:27:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:16,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) Word has length 210 [2022-10-16 15:27:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:16,075 INFO L225 Difference]: With dead ends: 6004 [2022-10-16 15:27:16,075 INFO L226 Difference]: Without dead ends: 4097 [2022-10-16 15:27:16,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:16,084 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 392 mSDsluCounter, 1360 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 3080 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:16,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 3080 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:16,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4097 states. [2022-10-16 15:27:16,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4097 to 4037. [2022-10-16 15:27:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4037 states, 3975 states have (on average 1.7864150943396226) internal successors, (7101), 4036 states have internal predecessors, (7101), 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) [2022-10-16 15:27:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4037 states to 4037 states and 7101 transitions. [2022-10-16 15:27:16,240 INFO L78 Accepts]: Start accepts. Automaton has 4037 states and 7101 transitions. Word has length 210 [2022-10-16 15:27:16,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:16,241 INFO L495 AbstractCegarLoop]: Abstraction has 4037 states and 7101 transitions. [2022-10-16 15:27:16,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2022-10-16 15:27:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4037 states and 7101 transitions. [2022-10-16 15:27:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-16 15:27:16,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:16,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:16,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:27:16,251 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:16,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1138294854, now seen corresponding path program 1 times [2022-10-16 15:27:16,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:16,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062703947] [2022-10-16 15:27:16,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:16,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:16,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:16,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062703947] [2022-10-16 15:27:16,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062703947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:16,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:16,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:16,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229030440] [2022-10-16 15:27:16,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:16,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:16,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:16,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:16,702 INFO L87 Difference]: Start difference. First operand 4037 states and 7101 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2022-10-16 15:27:16,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:16,930 INFO L93 Difference]: Finished difference Result 9318 states and 16340 transitions. [2022-10-16 15:27:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:16,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) Word has length 214 [2022-10-16 15:27:16,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:16,970 INFO L225 Difference]: With dead ends: 9318 [2022-10-16 15:27:16,970 INFO L226 Difference]: Without dead ends: 5854 [2022-10-16 15:27:16,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:16,978 INFO L413 NwaCegarLoop]: 1406 mSDtfsCounter, 394 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:16,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2752 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:16,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5854 states. [2022-10-16 15:27:17,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5854 to 5785. [2022-10-16 15:27:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 5723 states have (on average 1.78367988817054) internal successors, (10208), 5784 states have internal predecessors, (10208), 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) [2022-10-16 15:27:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 10208 transitions. [2022-10-16 15:27:17,217 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 10208 transitions. Word has length 214 [2022-10-16 15:27:17,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:17,218 INFO L495 AbstractCegarLoop]: Abstraction has 5785 states and 10208 transitions. [2022-10-16 15:27:17,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2022-10-16 15:27:17,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 10208 transitions. [2022-10-16 15:27:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-16 15:27:17,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:17,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:17,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:27:17,224 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:17,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:17,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1361821602, now seen corresponding path program 1 times [2022-10-16 15:27:17,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:17,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047990458] [2022-10-16 15:27:17,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:17,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:17,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:17,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047990458] [2022-10-16 15:27:17,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047990458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:17,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:17,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:17,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948443104] [2022-10-16 15:27:17,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:17,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:17,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:17,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:17,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:17,503 INFO L87 Difference]: Start difference. First operand 5785 states and 10208 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2022-10-16 15:27:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:17,836 INFO L93 Difference]: Finished difference Result 15303 states and 27011 transitions. [2022-10-16 15:27:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:17,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) Word has length 218 [2022-10-16 15:27:17,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:17,888 INFO L225 Difference]: With dead ends: 15303 [2022-10-16 15:27:17,888 INFO L226 Difference]: Without dead ends: 10111 [2022-10-16 15:27:17,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:17,900 INFO L413 NwaCegarLoop]: 1688 mSDtfsCounter, 384 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 3049 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:17,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 3049 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:17,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10111 states. [2022-10-16 15:27:18,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10111 to 10051. [2022-10-16 15:27:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10051 states, 9989 states have (on average 1.7832615877465212) internal successors, (17813), 10050 states have internal predecessors, (17813), 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) [2022-10-16 15:27:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10051 states to 10051 states and 17813 transitions. [2022-10-16 15:27:18,332 INFO L78 Accepts]: Start accepts. Automaton has 10051 states and 17813 transitions. Word has length 218 [2022-10-16 15:27:18,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:18,333 INFO L495 AbstractCegarLoop]: Abstraction has 10051 states and 17813 transitions. [2022-10-16 15:27:18,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2022-10-16 15:27:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 10051 states and 17813 transitions. [2022-10-16 15:27:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-16 15:27:18,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:18,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:18,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:27:18,339 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:18,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:18,340 INFO L85 PathProgramCache]: Analyzing trace with hash 848717618, now seen corresponding path program 1 times [2022-10-16 15:27:18,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:18,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921600598] [2022-10-16 15:27:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:18,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:18,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921600598] [2022-10-16 15:27:18,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921600598] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:18,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:18,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:18,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917255890] [2022-10-16 15:27:18,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:18,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:18,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:18,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:18,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:18,614 INFO L87 Difference]: Start difference. First operand 10051 states and 17813 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-10-16 15:27:18,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:18,996 INFO L93 Difference]: Finished difference Result 24395 states and 43198 transitions. [2022-10-16 15:27:18,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:18,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) Word has length 222 [2022-10-16 15:27:18,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:19,042 INFO L225 Difference]: With dead ends: 24395 [2022-10-16 15:27:19,042 INFO L226 Difference]: Without dead ends: 14937 [2022-10-16 15:27:19,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:19,064 INFO L413 NwaCegarLoop]: 1407 mSDtfsCounter, 386 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:19,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 2754 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:19,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14937 states. [2022-10-16 15:27:19,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14937 to 14850. [2022-10-16 15:27:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14850 states, 14788 states have (on average 1.7794157424939139) internal successors, (26314), 14849 states have internal predecessors, (26314), 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) [2022-10-16 15:27:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14850 states to 14850 states and 26314 transitions. [2022-10-16 15:27:19,689 INFO L78 Accepts]: Start accepts. Automaton has 14850 states and 26314 transitions. Word has length 222 [2022-10-16 15:27:19,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:19,690 INFO L495 AbstractCegarLoop]: Abstraction has 14850 states and 26314 transitions. [2022-10-16 15:27:19,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-10-16 15:27:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 14850 states and 26314 transitions. [2022-10-16 15:27:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-16 15:27:19,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:19,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:19,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:27:19,695 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:19,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:19,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1581903734, now seen corresponding path program 1 times [2022-10-16 15:27:19,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:19,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830623234] [2022-10-16 15:27:19,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:19,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:19,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:19,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830623234] [2022-10-16 15:27:19,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830623234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:19,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:19,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:19,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889677100] [2022-10-16 15:27:19,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:19,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:19,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:19,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:19,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:19,917 INFO L87 Difference]: Start difference. First operand 14850 states and 26314 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2022-10-16 15:27:20,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:20,577 INFO L93 Difference]: Finished difference Result 40730 states and 72187 transitions. [2022-10-16 15:27:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:20,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) Word has length 226 [2022-10-16 15:27:20,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:20,653 INFO L225 Difference]: With dead ends: 40730 [2022-10-16 15:27:20,653 INFO L226 Difference]: Without dead ends: 26493 [2022-10-16 15:27:20,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:20,680 INFO L413 NwaCegarLoop]: 1656 mSDtfsCounter, 376 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:20,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 3018 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:20,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26493 states. [2022-10-16 15:27:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26493 to 26433. [2022-10-16 15:27:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26433 states, 26371 states have (on average 1.7769898752417428) internal successors, (46861), 26432 states have internal predecessors, (46861), 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) [2022-10-16 15:27:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26433 states to 26433 states and 46861 transitions. [2022-10-16 15:27:22,000 INFO L78 Accepts]: Start accepts. Automaton has 26433 states and 46861 transitions. Word has length 226 [2022-10-16 15:27:22,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:22,001 INFO L495 AbstractCegarLoop]: Abstraction has 26433 states and 46861 transitions. [2022-10-16 15:27:22,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2022-10-16 15:27:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 26433 states and 46861 transitions. [2022-10-16 15:27:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-16 15:27:22,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:22,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:22,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:27:22,006 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:22,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:22,007 INFO L85 PathProgramCache]: Analyzing trace with hash -2042072280, now seen corresponding path program 1 times [2022-10-16 15:27:22,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:22,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270664658] [2022-10-16 15:27:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:22,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:22,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:22,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270664658] [2022-10-16 15:27:22,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270664658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:22,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:22,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:22,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441397831] [2022-10-16 15:27:22,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:22,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:22,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:22,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:22,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:22,416 INFO L87 Difference]: Start difference. First operand 26433 states and 46861 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2022-10-16 15:27:23,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:23,471 INFO L93 Difference]: Finished difference Result 65536 states and 116148 transitions. [2022-10-16 15:27:23,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:23,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) Word has length 229 [2022-10-16 15:27:23,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:23,618 INFO L225 Difference]: With dead ends: 65536 [2022-10-16 15:27:23,619 INFO L226 Difference]: Without dead ends: 39716 [2022-10-16 15:27:23,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:23,659 INFO L413 NwaCegarLoop]: 1408 mSDtfsCounter, 378 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:23,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 2756 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:23,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39716 states. [2022-10-16 15:27:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39716 to 39575. [2022-10-16 15:27:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39575 states, 39513 states have (on average 1.7723787108040392) internal successors, (70032), 39574 states have internal predecessors, (70032), 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) [2022-10-16 15:27:25,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39575 states to 39575 states and 70032 transitions. [2022-10-16 15:27:25,253 INFO L78 Accepts]: Start accepts. Automaton has 39575 states and 70032 transitions. Word has length 229 [2022-10-16 15:27:25,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:25,257 INFO L495 AbstractCegarLoop]: Abstraction has 39575 states and 70032 transitions. [2022-10-16 15:27:25,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2022-10-16 15:27:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 39575 states and 70032 transitions. [2022-10-16 15:27:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-16 15:27:25,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:25,272 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:25,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:27:25,272 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:25,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:25,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1183781488, now seen corresponding path program 1 times [2022-10-16 15:27:25,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:25,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50996481] [2022-10-16 15:27:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:25,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:25,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50996481] [2022-10-16 15:27:25,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50996481] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:25,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:25,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:25,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75414033] [2022-10-16 15:27:25,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:25,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:25,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:25,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:25,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:25,748 INFO L87 Difference]: Start difference. First operand 39575 states and 70032 transitions. Second operand has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 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) [2022-10-16 15:27:27,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:27,316 INFO L93 Difference]: Finished difference Result 74410 states and 131916 transitions. [2022-10-16 15:27:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:27,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 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) Word has length 233 [2022-10-16 15:27:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:27,694 INFO L225 Difference]: With dead ends: 74410 [2022-10-16 15:27:27,694 INFO L226 Difference]: Without dead ends: 74407 [2022-10-16 15:27:27,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:27,726 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1171 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:27,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 1712 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74407 states. [2022-10-16 15:27:30,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74407 to 74351. [2022-10-16 15:27:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74351 states, 74289 states have (on average 1.7669910753947422) internal successors, (131268), 74350 states have internal predecessors, (131268), 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) [2022-10-16 15:27:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74351 states to 74351 states and 131268 transitions. [2022-10-16 15:27:30,497 INFO L78 Accepts]: Start accepts. Automaton has 74351 states and 131268 transitions. Word has length 233 [2022-10-16 15:27:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:30,498 INFO L495 AbstractCegarLoop]: Abstraction has 74351 states and 131268 transitions. [2022-10-16 15:27:30,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 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) [2022-10-16 15:27:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 74351 states and 131268 transitions. [2022-10-16 15:27:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-16 15:27:30,506 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:30,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:30,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:27:30,507 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:30,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:30,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1957483286, now seen corresponding path program 1 times [2022-10-16 15:27:30,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:30,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192611452] [2022-10-16 15:27:30,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:30,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:31,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:31,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192611452] [2022-10-16 15:27:31,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192611452] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:31,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:31,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:31,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867410502] [2022-10-16 15:27:31,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:31,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:31,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:31,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:31,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:31,066 INFO L87 Difference]: Start difference. First operand 74351 states and 131268 transitions. Second operand has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-10-16 15:27:32,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:32,458 INFO L93 Difference]: Finished difference Result 74410 states and 131268 transitions. [2022-10-16 15:27:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:32,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 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) Word has length 234 [2022-10-16 15:27:32,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:32,641 INFO L225 Difference]: With dead ends: 74410 [2022-10-16 15:27:32,641 INFO L226 Difference]: Without dead ends: 74407 [2022-10-16 15:27:32,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:32,665 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 1167 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:32,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 1715 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74407 states. [2022-10-16 15:27:34,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74407 to 74351. [2022-10-16 15:27:34,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74351 states, 74289 states have (on average 1.758268384283003) internal successors, (130620), 74350 states have internal predecessors, (130620), 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) [2022-10-16 15:27:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74351 states to 74351 states and 130620 transitions. [2022-10-16 15:27:35,064 INFO L78 Accepts]: Start accepts. Automaton has 74351 states and 130620 transitions. Word has length 234 [2022-10-16 15:27:35,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:35,065 INFO L495 AbstractCegarLoop]: Abstraction has 74351 states and 130620 transitions. [2022-10-16 15:27:35,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-10-16 15:27:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 74351 states and 130620 transitions. [2022-10-16 15:27:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-10-16 15:27:35,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:35,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:35,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:27:35,070 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:35,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 552443474, now seen corresponding path program 1 times [2022-10-16 15:27:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:35,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012335245] [2022-10-16 15:27:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:35,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:35,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:35,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012335245] [2022-10-16 15:27:35,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012335245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:35,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:35,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:35,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797617608] [2022-10-16 15:27:35,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:35,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:35,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:35,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:35,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:35,685 INFO L87 Difference]: Start difference. First operand 74351 states and 130620 transitions. Second operand has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-10-16 15:27:37,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:37,179 INFO L93 Difference]: Finished difference Result 100162 states and 175548 transitions. [2022-10-16 15:27:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:37,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 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) Word has length 235 [2022-10-16 15:27:37,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:37,472 INFO L225 Difference]: With dead ends: 100162 [2022-10-16 15:27:37,472 INFO L226 Difference]: Without dead ends: 100159 [2022-10-16 15:27:37,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:37,496 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 1162 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1704 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:37,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1704 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:37,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100159 states. [2022-10-16 15:27:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100159 to 100109. [2022-10-16 15:27:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100109 states, 100047 states have (on average 1.748178356172599) internal successors, (174900), 100108 states have internal predecessors, (174900), 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) [2022-10-16 15:27:40,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100109 states to 100109 states and 174900 transitions. [2022-10-16 15:27:40,572 INFO L78 Accepts]: Start accepts. Automaton has 100109 states and 174900 transitions. Word has length 235 [2022-10-16 15:27:40,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:40,573 INFO L495 AbstractCegarLoop]: Abstraction has 100109 states and 174900 transitions. [2022-10-16 15:27:40,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-10-16 15:27:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 100109 states and 174900 transitions. [2022-10-16 15:27:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-10-16 15:27:40,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:40,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:40,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:27:40,578 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:40,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:40,579 INFO L85 PathProgramCache]: Analyzing trace with hash -54117736, now seen corresponding path program 1 times [2022-10-16 15:27:40,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:40,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636652290] [2022-10-16 15:27:40,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:40,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:41,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:41,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636652290] [2022-10-16 15:27:41,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636652290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:41,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:41,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100136075] [2022-10-16 15:27:41,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:41,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:41,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:41,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:41,215 INFO L87 Difference]: Start difference. First operand 100109 states and 174900 transitions. Second operand has 3 states, 2 states have (on average 118.0) internal successors, (236), 3 states have internal predecessors, (236), 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) [2022-10-16 15:27:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:43,035 INFO L93 Difference]: Finished difference Result 100162 states and 174900 transitions. [2022-10-16 15:27:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:43,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 118.0) internal successors, (236), 3 states have internal predecessors, (236), 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) Word has length 236 [2022-10-16 15:27:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:43,233 INFO L225 Difference]: With dead ends: 100162 [2022-10-16 15:27:43,233 INFO L226 Difference]: Without dead ends: 100159 [2022-10-16 15:27:43,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:43,251 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 1158 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:43,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1707 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100159 states. [2022-10-16 15:27:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100159 to 100109. [2022-10-16 15:27:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100109 states, 100047 states have (on average 1.7417014003418394) internal successors, (174252), 100108 states have internal predecessors, (174252), 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) [2022-10-16 15:27:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100109 states to 100109 states and 174252 transitions. [2022-10-16 15:27:46,089 INFO L78 Accepts]: Start accepts. Automaton has 100109 states and 174252 transitions. Word has length 236 [2022-10-16 15:27:46,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:46,089 INFO L495 AbstractCegarLoop]: Abstraction has 100109 states and 174252 transitions. [2022-10-16 15:27:46,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 118.0) internal successors, (236), 3 states have internal predecessors, (236), 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) [2022-10-16 15:27:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 100109 states and 174252 transitions. [2022-10-16 15:27:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-10-16 15:27:46,093 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:46,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:46,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:27:46,094 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:46,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:46,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1677646060, now seen corresponding path program 1 times [2022-10-16 15:27:46,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:46,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599342584] [2022-10-16 15:27:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:46,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:46,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:46,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599342584] [2022-10-16 15:27:46,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599342584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:46,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:46,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:46,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236319127] [2022-10-16 15:27:46,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:46,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:46,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:46,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:46,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:46,500 INFO L87 Difference]: Start difference. First operand 100109 states and 174252 transitions. Second operand has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 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) [2022-10-16 15:27:48,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:48,886 INFO L93 Difference]: Finished difference Result 125914 states and 218316 transitions. [2022-10-16 15:27:48,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:48,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 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) Word has length 237 [2022-10-16 15:27:48,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:49,237 INFO L225 Difference]: With dead ends: 125914 [2022-10-16 15:27:49,237 INFO L226 Difference]: Without dead ends: 125911 [2022-10-16 15:27:49,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:49,258 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 1153 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:49,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 1696 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:27:49,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125911 states. [2022-10-16 15:27:52,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125911 to 125867. [2022-10-16 15:27:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125867 states, 125805 states have (on average 1.7302015023250268) internal successors, (217668), 125866 states have internal predecessors, (217668), 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) [2022-10-16 15:27:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125867 states to 125867 states and 217668 transitions. [2022-10-16 15:27:52,649 INFO L78 Accepts]: Start accepts. Automaton has 125867 states and 217668 transitions. Word has length 237 [2022-10-16 15:27:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:52,650 INFO L495 AbstractCegarLoop]: Abstraction has 125867 states and 217668 transitions. [2022-10-16 15:27:52,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 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) [2022-10-16 15:27:52,650 INFO L276 IsEmpty]: Start isEmpty. Operand 125867 states and 217668 transitions. [2022-10-16 15:27:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-16 15:27:52,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:52,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:52,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:27:52,653 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:52,654 INFO L85 PathProgramCache]: Analyzing trace with hash -467416550, now seen corresponding path program 1 times [2022-10-16 15:27:52,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:52,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358095575] [2022-10-16 15:27:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:52,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:53,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:53,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358095575] [2022-10-16 15:27:53,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358095575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:53,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:53,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:53,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703123713] [2022-10-16 15:27:53,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:53,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:53,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:53,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:53,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:53,097 INFO L87 Difference]: Start difference. First operand 125867 states and 217668 transitions. Second operand has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 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) [2022-10-16 15:27:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:55,394 INFO L93 Difference]: Finished difference Result 125914 states and 217668 transitions. [2022-10-16 15:27:55,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:55,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 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) Word has length 238 [2022-10-16 15:27:55,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:55,693 INFO L225 Difference]: With dead ends: 125914 [2022-10-16 15:27:55,694 INFO L226 Difference]: Without dead ends: 125911 [2022-10-16 15:27:55,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:55,717 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 1149 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:55,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 1699 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:55,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125911 states. [2022-10-16 15:27:58,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125911 to 125867. [2022-10-16 15:27:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125867 states, 125805 states have (on average 1.7250506736616191) internal successors, (217020), 125866 states have internal predecessors, (217020), 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) [2022-10-16 15:27:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125867 states to 125867 states and 217020 transitions. [2022-10-16 15:27:59,115 INFO L78 Accepts]: Start accepts. Automaton has 125867 states and 217020 transitions. Word has length 238 [2022-10-16 15:27:59,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:59,116 INFO L495 AbstractCegarLoop]: Abstraction has 125867 states and 217020 transitions. [2022-10-16 15:27:59,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 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) [2022-10-16 15:27:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 125867 states and 217020 transitions. [2022-10-16 15:27:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-10-16 15:27:59,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:59,118 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:59,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:27:59,118 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:27:59,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1605007402, now seen corresponding path program 1 times [2022-10-16 15:27:59,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:59,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734514146] [2022-10-16 15:27:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:59,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:27:59,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:59,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734514146] [2022-10-16 15:27:59,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734514146] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:59,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:59,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:59,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342183991] [2022-10-16 15:27:59,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:59,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:59,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:59,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:59,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:59,495 INFO L87 Difference]: Start difference. First operand 125867 states and 217020 transitions. Second operand has 3 states, 2 states have (on average 119.5) internal successors, (239), 3 states have internal predecessors, (239), 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) [2022-10-16 15:28:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:03,378 INFO L93 Difference]: Finished difference Result 203214 states and 345756 transitions. [2022-10-16 15:28:03,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:28:03,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 119.5) internal successors, (239), 3 states have internal predecessors, (239), 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) Word has length 239 [2022-10-16 15:28:03,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:03,729 INFO L225 Difference]: With dead ends: 203214 [2022-10-16 15:28:03,730 INFO L226 Difference]: Without dead ends: 203211 [2022-10-16 15:28:03,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:03,770 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 1162 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:03,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1630 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:28:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203211 states. [2022-10-16 15:28:08,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203211 to 203193. [2022-10-16 15:28:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203193 states, 203133 states have (on average 1.6917487557413124) internal successors, (343650), 203192 states have internal predecessors, (343650), 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) [2022-10-16 15:28:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203193 states to 203193 states and 343650 transitions. [2022-10-16 15:28:10,005 INFO L78 Accepts]: Start accepts. Automaton has 203193 states and 343650 transitions. Word has length 239 [2022-10-16 15:28:10,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:28:10,005 INFO L495 AbstractCegarLoop]: Abstraction has 203193 states and 343650 transitions. [2022-10-16 15:28:10,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 119.5) internal successors, (239), 3 states have internal predecessors, (239), 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) [2022-10-16 15:28:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 203193 states and 343650 transitions. [2022-10-16 15:28:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-10-16 15:28:10,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:28:10,007 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:28:10,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:28:10,008 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:28:10,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:28:10,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1784381852, now seen corresponding path program 1 times [2022-10-16 15:28:10,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:28:10,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020645568] [2022-10-16 15:28:10,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:28:10,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:28:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:28:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:28:10,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:28:10,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020645568] [2022-10-16 15:28:10,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020645568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:28:10,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:28:10,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:28:10,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836127383] [2022-10-16 15:28:10,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:28:10,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:28:10,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:28:10,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:28:10,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:10,412 INFO L87 Difference]: Start difference. First operand 203193 states and 343650 transitions. Second operand has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2022-10-16 15:28:16,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:16,938 INFO L93 Difference]: Finished difference Result 334019 states and 566766 transitions. [2022-10-16 15:28:16,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:28:16,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 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) Word has length 240 [2022-10-16 15:28:16,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:17,611 INFO L225 Difference]: With dead ends: 334019 [2022-10-16 15:28:17,611 INFO L226 Difference]: Without dead ends: 334016 [2022-10-16 15:28:17,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:17,686 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 1158 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:17,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1689 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:28:17,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334016 states. [2022-10-16 15:28:26,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334016 to 333960. [2022-10-16 15:28:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333960 states, 333900 states have (on average 1.6890026954177897) internal successors, (563958), 333959 states have internal predecessors, (563958), 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) [2022-10-16 15:28:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333960 states to 333960 states and 563958 transitions. [2022-10-16 15:28:29,644 INFO L78 Accepts]: Start accepts. Automaton has 333960 states and 563958 transitions. Word has length 240 [2022-10-16 15:28:29,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:28:29,646 INFO L495 AbstractCegarLoop]: Abstraction has 333960 states and 563958 transitions. [2022-10-16 15:28:29,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2022-10-16 15:28:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 333960 states and 563958 transitions. [2022-10-16 15:28:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-16 15:28:29,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:28:29,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:28:29,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:28:29,664 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:28:29,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:28:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1099129150, now seen corresponding path program 1 times [2022-10-16 15:28:29,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:28:29,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939341848] [2022-10-16 15:28:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:28:29,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:28:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:28:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:28:30,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:28:30,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939341848] [2022-10-16 15:28:30,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939341848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:28:30,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:28:30,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:28:30,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249953273] [2022-10-16 15:28:30,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:28:30,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:28:30,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:28:30,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:28:30,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:30,082 INFO L87 Difference]: Start difference. First operand 333960 states and 563958 transitions. Second operand has 3 states, 2 states have (on average 121.0) internal successors, (242), 3 states have internal predecessors, (242), 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) [2022-10-16 15:28:42,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:42,517 INFO L93 Difference]: Finished difference Result 514341 states and 863868 transitions. [2022-10-16 15:28:42,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:28:42,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 121.0) internal successors, (242), 3 states have internal predecessors, (242), 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) Word has length 242 [2022-10-16 15:28:42,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:43,876 INFO L225 Difference]: With dead ends: 514341 [2022-10-16 15:28:43,876 INFO L226 Difference]: Without dead ends: 514340 [2022-10-16 15:28:44,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:44,010 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 1162 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:44,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1626 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:28:44,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514340 states. [2022-10-16 15:28:58,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514340 to 513565. [2022-10-16 15:28:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513565 states, 513505 states have (on average 1.676464688756682) internal successors, (860873), 513564 states have internal predecessors, (860873), 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) [2022-10-16 15:29:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513565 states to 513565 states and 860873 transitions. [2022-10-16 15:29:02,409 INFO L78 Accepts]: Start accepts. Automaton has 513565 states and 860873 transitions. Word has length 242 [2022-10-16 15:29:02,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:29:02,410 INFO L495 AbstractCegarLoop]: Abstraction has 513565 states and 860873 transitions. [2022-10-16 15:29:02,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 121.0) internal successors, (242), 3 states have internal predecessors, (242), 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) [2022-10-16 15:29:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 513565 states and 860873 transitions. [2022-10-16 15:29:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-10-16 15:29:02,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:29:02,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:29:02,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:29:02,413 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:29:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:29:02,413 INFO L85 PathProgramCache]: Analyzing trace with hash -286730949, now seen corresponding path program 1 times [2022-10-16 15:29:02,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:29:02,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951679695] [2022-10-16 15:29:02,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:29:02,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:29:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:29:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:29:02,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:29:02,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951679695] [2022-10-16 15:29:02,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951679695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:29:02,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:29:02,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:29:02,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212505058] [2022-10-16 15:29:02,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:29:02,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:29:02,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:29:02,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:29:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:29:02,762 INFO L87 Difference]: Start difference. First operand 513565 states and 860873 transitions. Second operand has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 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) [2022-10-16 15:29:22,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:29:22,197 INFO L93 Difference]: Finished difference Result 894808 states and 1502566 transitions. [2022-10-16 15:29:22,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:29:22,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 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) Word has length 243 [2022-10-16 15:29:22,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:29:24,894 INFO L225 Difference]: With dead ends: 894808 [2022-10-16 15:29:24,895 INFO L226 Difference]: Without dead ends: 894807 [2022-10-16 15:29:25,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:29:25,418 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 1160 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:29:25,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 1673 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:29:26,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894807 states. [2022-10-16 15:29:56,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894807 to 893994. [2022-10-16 15:29:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893994 states, 893934 states have (on average 1.676348589493184) internal successors, (1498545), 893993 states have internal predecessors, (1498545), 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) [2022-10-16 15:30:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893994 states to 893994 states and 1498545 transitions. [2022-10-16 15:30:05,494 INFO L78 Accepts]: Start accepts. Automaton has 893994 states and 1498545 transitions. Word has length 243 [2022-10-16 15:30:05,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:30:05,495 INFO L495 AbstractCegarLoop]: Abstraction has 893994 states and 1498545 transitions. [2022-10-16 15:30:05,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 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) [2022-10-16 15:30:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 893994 states and 1498545 transitions. [2022-10-16 15:30:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-10-16 15:30:05,513 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:30:05,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:30:05,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:30:05,513 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:30:05,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:30:05,517 INFO L85 PathProgramCache]: Analyzing trace with hash -670414339, now seen corresponding path program 1 times [2022-10-16 15:30:05,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:30:05,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544581812] [2022-10-16 15:30:05,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:30:05,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:30:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:30:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:30:06,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:30:06,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544581812] [2022-10-16 15:30:06,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544581812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:30:06,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:30:06,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:30:06,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173415053] [2022-10-16 15:30:06,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:30:06,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:30:06,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:30:06,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:30:06,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:30:06,014 INFO L87 Difference]: Start difference. First operand 893994 states and 1498545 transitions. Second operand has 3 states, 2 states have (on average 122.5) internal successors, (245), 3 states have internal predecessors, (245), 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)