/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-reduced/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:45:14,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:45:14,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:45:14,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:45:14,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:45:14,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:45:14,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:45:14,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:45:14,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:45:14,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:45:14,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:45:14,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:45:14,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:45:14,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:45:14,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:45:14,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:45:14,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:45:14,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:45:14,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:45:14,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:45:14,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:45:14,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:45:14,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:45:14,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:45:14,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:45:14,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:45:14,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:45:14,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:45:14,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:45:14,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:45:14,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:45:14,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:45:14,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:45:14,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:45:14,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:45:14,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:45:14,320 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 16:45:14,359 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:45:14,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:45:14,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:45:14,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:45:14,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:45:14,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:45:14,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:45:14,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:45:14,363 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:45:14,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:45:14,363 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:45:14,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:45:14,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:45:14,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:45:14,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:45:14,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:45:14,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:45:14,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:45:14,365 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:45:14,365 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:45:14,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:45:14,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:45:14,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:45:14,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:45:14,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:45:14,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:45:14,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:45:14,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:45:14,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:45:14,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:45:14,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:45:14,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:45:14,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:45:14,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:45:14,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:45:14,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:45:14,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:45:14,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:45:14,758 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:45:14,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:45:14,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93270b199/097e4889fda5451fa27be7901c41b449/FLAGfac2c073d [2022-10-16 16:45:15,610 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:45:15,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:45:15,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93270b199/097e4889fda5451fa27be7901c41b449/FLAGfac2c073d [2022-10-16 16:45:15,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93270b199/097e4889fda5451fa27be7901c41b449 [2022-10-16 16:45:15,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:45:15,892 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:45:15,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:45:15,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:45:15,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:45:15,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:45:15" (1/1) ... [2022-10-16 16:45:15,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbd71f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:15, skipping insertion in model container [2022-10-16 16:45:15,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:45:15" (1/1) ... [2022-10-16 16:45:15,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:45:15,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:45:16,377 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-reduced/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13338,13351] [2022-10-16 16:45:16,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:45:16,534 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:45:16,646 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-reduced/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13338,13351] [2022-10-16 16:45:16,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:45:16,753 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:45:16,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16 WrapperNode [2022-10-16 16:45:16,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:45:16,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:45:16,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:45:16,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:45:16,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,850 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1376 [2022-10-16 16:45:16,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:45:16,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:45:16,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:45:16,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:45:16,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:45:16,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:45:16,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:45:16,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:45:16,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (1/1) ... [2022-10-16 16:45:16,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:45:16,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:45:16,971 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 16:45:17,003 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 16:45:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:45:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:45:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:45:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:45:17,225 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:45:17,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:45:18,377 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:45:18,401 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:45:18,401 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:45:18,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:45:18 BoogieIcfgContainer [2022-10-16 16:45:18,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:45:18,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:45:18,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:45:18,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:45:18,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:45:15" (1/3) ... [2022-10-16 16:45:18,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64db2649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:45:18, skipping insertion in model container [2022-10-16 16:45:18,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:16" (2/3) ... [2022-10-16 16:45:18,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64db2649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:45:18, skipping insertion in model container [2022-10-16 16:45:18,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:45:18" (3/3) ... [2022-10-16 16:45:18,418 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:45:18,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:45:18,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-16 16:45:18,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:45:18,541 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;@64ff4d66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:45:18,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-16 16:45:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 375 states have (on average 1.816) internal successors, (681), 423 states have internal predecessors, (681), 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 16:45:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:45:18,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:18,571 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] [2022-10-16 16:45:18,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:18,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:18,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1569239509, now seen corresponding path program 1 times [2022-10-16 16:45:18,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:18,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992579955] [2022-10-16 16:45:18,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:18,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:19,250 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 16:45:19,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:19,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992579955] [2022-10-16 16:45:19,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992579955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:19,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:19,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:19,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741625321] [2022-10-16 16:45:19,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:19,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:19,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:19,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:19,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:19,309 INFO L87 Difference]: Start difference. First operand has 424 states, 375 states have (on average 1.816) internal successors, (681), 423 states have internal predecessors, (681), 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 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 16:45:19,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:19,481 INFO L93 Difference]: Finished difference Result 876 states and 1316 transitions. [2022-10-16 16:45:19,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:19,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 88 [2022-10-16 16:45:19,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:19,506 INFO L225 Difference]: With dead ends: 876 [2022-10-16 16:45:19,506 INFO L226 Difference]: Without dead ends: 627 [2022-10-16 16:45:19,511 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 16:45:19,516 INFO L413 NwaCegarLoop]: 964 mSDtfsCounter, 327 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:19,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1588 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:19,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-10-16 16:45:19,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 581. [2022-10-16 16:45:19,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 533 states have (on average 1.7392120075046904) internal successors, (927), 580 states have internal predecessors, (927), 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 16:45:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 927 transitions. [2022-10-16 16:45:19,635 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 927 transitions. Word has length 88 [2022-10-16 16:45:19,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:19,637 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 927 transitions. [2022-10-16 16:45:19,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 16:45:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 927 transitions. [2022-10-16 16:45:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:45:19,649 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:19,650 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] [2022-10-16 16:45:19,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:45:19,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:19,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:19,651 INFO L85 PathProgramCache]: Analyzing trace with hash 736880320, now seen corresponding path program 1 times [2022-10-16 16:45:19,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:19,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146050594] [2022-10-16 16:45:19,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:19,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:20,044 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 16:45:20,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:20,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146050594] [2022-10-16 16:45:20,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146050594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:20,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:20,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:20,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520383733] [2022-10-16 16:45:20,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:20,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:20,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:20,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:20,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:20,066 INFO L87 Difference]: Start difference. First operand 581 states and 927 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 16:45:20,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:20,153 INFO L93 Difference]: Finished difference Result 1185 states and 1850 transitions. [2022-10-16 16:45:20,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:20,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 92 [2022-10-16 16:45:20,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:20,159 INFO L225 Difference]: With dead ends: 1185 [2022-10-16 16:45:20,159 INFO L226 Difference]: Without dead ends: 785 [2022-10-16 16:45:20,161 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 16:45:20,163 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 286 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:20,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1233 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:20,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-10-16 16:45:20,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 750. [2022-10-16 16:45:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 702 states have (on average 1.7321937321937322) internal successors, (1216), 749 states have internal predecessors, (1216), 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 16:45:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1216 transitions. [2022-10-16 16:45:20,224 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1216 transitions. Word has length 92 [2022-10-16 16:45:20,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:20,226 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1216 transitions. [2022-10-16 16:45:20,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 16:45:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1216 transitions. [2022-10-16 16:45:20,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:45:20,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:20,232 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] [2022-10-16 16:45:20,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:45:20,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:20,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:20,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1097623958, now seen corresponding path program 1 times [2022-10-16 16:45:20,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:20,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138207624] [2022-10-16 16:45:20,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:20,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:20,477 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 16:45:20,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:20,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138207624] [2022-10-16 16:45:20,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138207624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:20,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:20,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:20,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400697024] [2022-10-16 16:45:20,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:20,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:20,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:20,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:20,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:20,483 INFO L87 Difference]: Start difference. First operand 750 states and 1216 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 16:45:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:20,592 INFO L93 Difference]: Finished difference Result 1786 states and 2877 transitions. [2022-10-16 16:45:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:20,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 95 [2022-10-16 16:45:20,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:20,602 INFO L225 Difference]: With dead ends: 1786 [2022-10-16 16:45:20,603 INFO L226 Difference]: Without dead ends: 1219 [2022-10-16 16:45:20,605 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 16:45:20,612 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 309 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1486 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 16:45:20,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1486 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:20,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-10-16 16:45:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1173. [2022-10-16 16:45:20,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1125 states have (on average 1.743111111111111) internal successors, (1961), 1172 states have internal predecessors, (1961), 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 16:45:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1961 transitions. [2022-10-16 16:45:20,711 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1961 transitions. Word has length 95 [2022-10-16 16:45:20,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:20,713 INFO L495 AbstractCegarLoop]: Abstraction has 1173 states and 1961 transitions. [2022-10-16 16:45:20,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 16:45:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1961 transitions. [2022-10-16 16:45:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:45:20,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:20,721 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] [2022-10-16 16:45:20,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:45:20,721 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:20,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:20,722 INFO L85 PathProgramCache]: Analyzing trace with hash -679642635, now seen corresponding path program 1 times [2022-10-16 16:45:20,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:20,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325029336] [2022-10-16 16:45:20,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:20,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:20,892 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 16:45:20,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:20,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325029336] [2022-10-16 16:45:20,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325029336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:20,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:20,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:20,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767162183] [2022-10-16 16:45:20,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:20,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:20,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:20,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:20,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:20,898 INFO L87 Difference]: Start difference. First operand 1173 states and 1961 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 16:45:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:21,014 INFO L93 Difference]: Finished difference Result 2720 states and 4512 transitions. [2022-10-16 16:45:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:21,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 99 [2022-10-16 16:45:21,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:21,027 INFO L225 Difference]: With dead ends: 2720 [2022-10-16 16:45:21,027 INFO L226 Difference]: Without dead ends: 1730 [2022-10-16 16:45:21,031 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 16:45:21,043 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 311 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1247 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 16:45:21,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1247 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:21,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-10-16 16:45:21,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1681. [2022-10-16 16:45:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1633 states have (on average 1.7403551745254133) internal successors, (2842), 1680 states have internal predecessors, (2842), 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 16:45:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2842 transitions. [2022-10-16 16:45:21,147 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2842 transitions. Word has length 99 [2022-10-16 16:45:21,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:21,148 INFO L495 AbstractCegarLoop]: Abstraction has 1681 states and 2842 transitions. [2022-10-16 16:45:21,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 16:45:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2842 transitions. [2022-10-16 16:45:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 16:45:21,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:21,150 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] [2022-10-16 16:45:21,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:45:21,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:21,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash -271419118, now seen corresponding path program 1 times [2022-10-16 16:45:21,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:21,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677929695] [2022-10-16 16:45:21,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:21,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:21,293 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 16:45:21,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:21,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677929695] [2022-10-16 16:45:21,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677929695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:21,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:21,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:21,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948044606] [2022-10-16 16:45:21,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:21,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:21,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:21,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:21,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:21,296 INFO L87 Difference]: Start difference. First operand 1681 states and 2842 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 16:45:21,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:21,525 INFO L93 Difference]: Finished difference Result 4343 states and 7357 transitions. [2022-10-16 16:45:21,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:21,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 102 [2022-10-16 16:45:21,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:21,541 INFO L225 Difference]: With dead ends: 4343 [2022-10-16 16:45:21,542 INFO L226 Difference]: Without dead ends: 2867 [2022-10-16 16:45:21,544 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 16:45:21,545 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 302 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1453 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 16:45:21,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1453 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:21,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states. [2022-10-16 16:45:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 2821. [2022-10-16 16:45:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2773 states have (on average 1.7464839523981248) internal successors, (4843), 2820 states have internal predecessors, (4843), 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 16:45:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 4843 transitions. [2022-10-16 16:45:21,777 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 4843 transitions. Word has length 102 [2022-10-16 16:45:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:21,777 INFO L495 AbstractCegarLoop]: Abstraction has 2821 states and 4843 transitions. [2022-10-16 16:45:21,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 16:45:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 4843 transitions. [2022-10-16 16:45:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:45:21,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:21,779 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] [2022-10-16 16:45:21,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:45:21,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:21,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:21,781 INFO L85 PathProgramCache]: Analyzing trace with hash -908750661, now seen corresponding path program 1 times [2022-10-16 16:45:21,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:21,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046938829] [2022-10-16 16:45:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:21,906 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 16:45:21,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:21,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046938829] [2022-10-16 16:45:21,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046938829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:21,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:21,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:21,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387341174] [2022-10-16 16:45:21,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:21,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:21,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:21,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:21,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:21,909 INFO L87 Difference]: Start difference. First operand 2821 states and 4843 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 16:45:22,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:22,227 INFO L93 Difference]: Finished difference Result 6843 states and 11726 transitions. [2022-10-16 16:45:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:22,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 106 [2022-10-16 16:45:22,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:22,254 INFO L225 Difference]: With dead ends: 6843 [2022-10-16 16:45:22,255 INFO L226 Difference]: Without dead ends: 4227 [2022-10-16 16:45:22,260 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 16:45:22,261 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 304 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1247 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 16:45:22,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1247 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:22,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2022-10-16 16:45:22,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4172. [2022-10-16 16:45:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4172 states, 4124 states have (on average 1.7419980601357905) internal successors, (7184), 4171 states have internal predecessors, (7184), 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 16:45:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4172 states to 4172 states and 7184 transitions. [2022-10-16 16:45:22,569 INFO L78 Accepts]: Start accepts. Automaton has 4172 states and 7184 transitions. Word has length 106 [2022-10-16 16:45:22,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:22,570 INFO L495 AbstractCegarLoop]: Abstraction has 4172 states and 7184 transitions. [2022-10-16 16:45:22,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 16:45:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4172 states and 7184 transitions. [2022-10-16 16:45:22,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:45:22,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:22,572 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] [2022-10-16 16:45:22,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:45:22,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash -712962211, now seen corresponding path program 1 times [2022-10-16 16:45:22,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:22,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839185303] [2022-10-16 16:45:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:22,685 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 16:45:22,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:22,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839185303] [2022-10-16 16:45:22,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839185303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:22,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:22,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:22,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16224751] [2022-10-16 16:45:22,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:22,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:22,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:22,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:22,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:22,689 INFO L87 Difference]: Start difference. First operand 4172 states and 7184 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 16:45:23,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:23,264 INFO L93 Difference]: Finished difference Result 11196 states and 19325 transitions. [2022-10-16 16:45:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:23,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2022-10-16 16:45:23,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:23,304 INFO L225 Difference]: With dead ends: 11196 [2022-10-16 16:45:23,304 INFO L226 Difference]: Without dead ends: 7251 [2022-10-16 16:45:23,311 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 16:45:23,311 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 295 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1420 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 16:45:23,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1420 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7251 states. [2022-10-16 16:45:23,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7251 to 7205. [2022-10-16 16:45:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7205 states, 7157 states have (on average 1.7444459969260864) internal successors, (12485), 7204 states have internal predecessors, (12485), 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 16:45:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7205 states to 7205 states and 12485 transitions. [2022-10-16 16:45:23,899 INFO L78 Accepts]: Start accepts. Automaton has 7205 states and 12485 transitions. Word has length 109 [2022-10-16 16:45:23,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:23,900 INFO L495 AbstractCegarLoop]: Abstraction has 7205 states and 12485 transitions. [2022-10-16 16:45:23,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 16:45:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7205 states and 12485 transitions. [2022-10-16 16:45:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:45:23,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:23,902 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] [2022-10-16 16:45:23,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:45:23,903 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:23,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1041726059, now seen corresponding path program 1 times [2022-10-16 16:45:23,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:23,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579324941] [2022-10-16 16:45:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:24,034 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 16:45:24,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:24,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579324941] [2022-10-16 16:45:24,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579324941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:24,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:24,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:24,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037748598] [2022-10-16 16:45:24,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:24,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:24,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:24,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:24,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:24,037 INFO L87 Difference]: Start difference. First operand 7205 states and 12485 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 16:45:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:24,917 INFO L93 Difference]: Finished difference Result 17878 states and 30960 transitions. [2022-10-16 16:45:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:24,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 112 [2022-10-16 16:45:24,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:24,979 INFO L225 Difference]: With dead ends: 17878 [2022-10-16 16:45:24,980 INFO L226 Difference]: Without dead ends: 10900 [2022-10-16 16:45:24,989 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 16:45:24,990 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 297 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1248 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 16:45:24,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1248 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:45:25,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10900 states. [2022-10-16 16:45:25,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10900 to 10827. [2022-10-16 16:45:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10827 states, 10779 states have (on average 1.7383801836905093) internal successors, (18738), 10826 states have internal predecessors, (18738), 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 16:45:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10827 states to 10827 states and 18738 transitions. [2022-10-16 16:45:25,743 INFO L78 Accepts]: Start accepts. Automaton has 10827 states and 18738 transitions. Word has length 112 [2022-10-16 16:45:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:25,743 INFO L495 AbstractCegarLoop]: Abstraction has 10827 states and 18738 transitions. [2022-10-16 16:45:25,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 16:45:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10827 states and 18738 transitions. [2022-10-16 16:45:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:45:25,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:25,746 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] [2022-10-16 16:45:25,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:45:25,750 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:25,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:25,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1956692812, now seen corresponding path program 1 times [2022-10-16 16:45:25,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:25,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894431642] [2022-10-16 16:45:25,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:25,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:25,943 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 16:45:25,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:25,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894431642] [2022-10-16 16:45:25,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894431642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:25,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:25,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:25,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8049769] [2022-10-16 16:45:25,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:25,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:25,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:25,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:25,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:25,947 INFO L87 Difference]: Start difference. First operand 10827 states and 18738 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 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 16:45:27,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:27,497 INFO L93 Difference]: Finished difference Result 20256 states and 35154 transitions. [2022-10-16 16:45:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:27,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 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 115 [2022-10-16 16:45:27,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:27,566 INFO L225 Difference]: With dead ends: 20256 [2022-10-16 16:45:27,566 INFO L226 Difference]: Without dead ends: 20253 [2022-10-16 16:45:27,576 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 16:45:27,577 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 523 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:27,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 874 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:45:27,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20253 states. [2022-10-16 16:45:28,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20253 to 20211. [2022-10-16 16:45:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20211 states, 20163 states have (on average 1.7327778604374349) internal successors, (34938), 20210 states have internal predecessors, (34938), 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 16:45:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20211 states to 20211 states and 34938 transitions. [2022-10-16 16:45:28,930 INFO L78 Accepts]: Start accepts. Automaton has 20211 states and 34938 transitions. Word has length 115 [2022-10-16 16:45:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:28,931 INFO L495 AbstractCegarLoop]: Abstraction has 20211 states and 34938 transitions. [2022-10-16 16:45:28,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 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 16:45:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 20211 states and 34938 transitions. [2022-10-16 16:45:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:45:28,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:28,933 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] [2022-10-16 16:45:28,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:45:28,934 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:28,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:28,934 INFO L85 PathProgramCache]: Analyzing trace with hash 527935449, now seen corresponding path program 1 times [2022-10-16 16:45:28,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:28,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70580970] [2022-10-16 16:45:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:29,131 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 16:45:29,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:29,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70580970] [2022-10-16 16:45:29,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70580970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:29,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:29,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:29,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380276725] [2022-10-16 16:45:29,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:29,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:29,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:29,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:29,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:29,134 INFO L87 Difference]: Start difference. First operand 20211 states and 34938 transitions. Second operand has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 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 16:45:30,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:30,477 INFO L93 Difference]: Finished difference Result 20256 states and 34938 transitions. [2022-10-16 16:45:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:30,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 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 116 [2022-10-16 16:45:30,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:30,536 INFO L225 Difference]: With dead ends: 20256 [2022-10-16 16:45:30,536 INFO L226 Difference]: Without dead ends: 20253 [2022-10-16 16:45:30,544 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 16:45:30,545 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 519 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:30,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 877 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:45:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20253 states. [2022-10-16 16:45:31,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20253 to 20211. [2022-10-16 16:45:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20211 states, 20163 states have (on average 1.7220651688736794) internal successors, (34722), 20210 states have internal predecessors, (34722), 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 16:45:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20211 states to 20211 states and 34722 transitions. [2022-10-16 16:45:31,891 INFO L78 Accepts]: Start accepts. Automaton has 20211 states and 34722 transitions. Word has length 116 [2022-10-16 16:45:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:31,892 INFO L495 AbstractCegarLoop]: Abstraction has 20211 states and 34722 transitions. [2022-10-16 16:45:31,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 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 16:45:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 20211 states and 34722 transitions. [2022-10-16 16:45:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:45:31,894 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:31,894 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] [2022-10-16 16:45:31,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:45:31,895 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash -813869842, now seen corresponding path program 1 times [2022-10-16 16:45:31,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:31,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394943600] [2022-10-16 16:45:31,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:31,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:32,084 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 16:45:32,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:32,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394943600] [2022-10-16 16:45:32,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394943600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:32,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:32,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:32,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555536296] [2022-10-16 16:45:32,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:32,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:32,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:32,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:32,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:32,087 INFO L87 Difference]: Start difference. First operand 20211 states and 34722 transitions. Second operand has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 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 16:45:33,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:33,457 INFO L93 Difference]: Finished difference Result 27180 states and 46548 transitions. [2022-10-16 16:45:33,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:33,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 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 117 [2022-10-16 16:45:33,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:33,530 INFO L225 Difference]: With dead ends: 27180 [2022-10-16 16:45:33,531 INFO L226 Difference]: Without dead ends: 27177 [2022-10-16 16:45:33,539 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 16:45:33,540 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 514 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:33,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 866 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:45:33,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27177 states. [2022-10-16 16:45:34,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27177 to 27141. [2022-10-16 16:45:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27141 states, 27093 states have (on average 1.710109622411693) internal successors, (46332), 27140 states have internal predecessors, (46332), 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 16:45:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27141 states to 27141 states and 46332 transitions. [2022-10-16 16:45:35,067 INFO L78 Accepts]: Start accepts. Automaton has 27141 states and 46332 transitions. Word has length 117 [2022-10-16 16:45:35,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:35,068 INFO L495 AbstractCegarLoop]: Abstraction has 27141 states and 46332 transitions. [2022-10-16 16:45:35,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 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 16:45:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 27141 states and 46332 transitions. [2022-10-16 16:45:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:45:35,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:35,070 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] [2022-10-16 16:45:35,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:45:35,070 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 539839099, now seen corresponding path program 1 times [2022-10-16 16:45:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:35,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127714314] [2022-10-16 16:45:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:35,282 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 16:45:35,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:35,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127714314] [2022-10-16 16:45:35,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127714314] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:35,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:35,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:35,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416211888] [2022-10-16 16:45:35,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:35,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:35,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:35,284 INFO L87 Difference]: Start difference. First operand 27141 states and 46332 transitions. Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 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 16:45:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:36,985 INFO L93 Difference]: Finished difference Result 27180 states and 46332 transitions. [2022-10-16 16:45:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 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 118 [2022-10-16 16:45:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:37,051 INFO L225 Difference]: With dead ends: 27180 [2022-10-16 16:45:37,051 INFO L226 Difference]: Without dead ends: 27177 [2022-10-16 16:45:37,060 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 16:45:37,062 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 510 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:37,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 869 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:45:37,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27177 states. [2022-10-16 16:45:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27177 to 27141. [2022-10-16 16:45:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27141 states, 27093 states have (on average 1.7021370833794707) internal successors, (46116), 27140 states have internal predecessors, (46116), 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 16:45:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27141 states to 27141 states and 46116 transitions. [2022-10-16 16:45:38,931 INFO L78 Accepts]: Start accepts. Automaton has 27141 states and 46116 transitions. Word has length 118 [2022-10-16 16:45:38,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:38,931 INFO L495 AbstractCegarLoop]: Abstraction has 27141 states and 46116 transitions. [2022-10-16 16:45:38,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 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 16:45:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 27141 states and 46116 transitions. [2022-10-16 16:45:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:45:38,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:38,934 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] [2022-10-16 16:45:38,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:45:38,934 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:38,935 INFO L85 PathProgramCache]: Analyzing trace with hash -444856688, now seen corresponding path program 1 times [2022-10-16 16:45:38,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:38,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771287161] [2022-10-16 16:45:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:39,161 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 16:45:39,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:39,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771287161] [2022-10-16 16:45:39,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771287161] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:39,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:39,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:39,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938213964] [2022-10-16 16:45:39,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:39,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:39,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:39,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:39,164 INFO L87 Difference]: Start difference. First operand 27141 states and 46116 transitions. Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 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 16:45:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:42,038 INFO L93 Difference]: Finished difference Result 43236 states and 72324 transitions. [2022-10-16 16:45:42,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:42,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 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 119 [2022-10-16 16:45:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:42,103 INFO L225 Difference]: With dead ends: 43236 [2022-10-16 16:45:42,104 INFO L226 Difference]: Without dead ends: 43233 [2022-10-16 16:45:42,114 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 16:45:42,115 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 517 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:42,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 812 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:45:42,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43233 states. [2022-10-16 16:45:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43233 to 43219. [2022-10-16 16:45:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43219 states, 43173 states have (on average 1.6622889305816135) internal successors, (71766), 43218 states have internal predecessors, (71766), 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 16:45:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43219 states to 43219 states and 71766 transitions. [2022-10-16 16:45:44,946 INFO L78 Accepts]: Start accepts. Automaton has 43219 states and 71766 transitions. Word has length 119 [2022-10-16 16:45:44,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:44,946 INFO L495 AbstractCegarLoop]: Abstraction has 43219 states and 71766 transitions. [2022-10-16 16:45:44,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 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 16:45:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 43219 states and 71766 transitions. [2022-10-16 16:45:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:45:44,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:44,948 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] [2022-10-16 16:45:44,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:45:44,949 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:44,949 INFO L85 PathProgramCache]: Analyzing trace with hash -905655011, now seen corresponding path program 1 times [2022-10-16 16:45:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:44,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617999784] [2022-10-16 16:45:44,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:44,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:45,198 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 16:45:45,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:45,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617999784] [2022-10-16 16:45:45,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617999784] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:45,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:45,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:45,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014597295] [2022-10-16 16:45:45,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:45,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:45,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:45,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:45,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:45,202 INFO L87 Difference]: Start difference. First operand 43219 states and 71766 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 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 16:45:49,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:49,620 INFO L93 Difference]: Finished difference Result 70084 states and 116826 transitions. [2022-10-16 16:45:49,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:49,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 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 120 [2022-10-16 16:45:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:49,734 INFO L225 Difference]: With dead ends: 70084 [2022-10-16 16:45:49,734 INFO L226 Difference]: Without dead ends: 70081 [2022-10-16 16:45:49,752 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 16:45:49,753 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 513 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:49,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 859 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:45:49,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70081 states. [2022-10-16 16:45:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70081 to 70039. [2022-10-16 16:45:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70039 states, 69993 states have (on average 1.6585658565856585) internal successors, (116088), 70038 states have internal predecessors, (116088), 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 16:45:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70039 states to 70039 states and 116088 transitions. [2022-10-16 16:45:54,701 INFO L78 Accepts]: Start accepts. Automaton has 70039 states and 116088 transitions. Word has length 120 [2022-10-16 16:45:54,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:54,701 INFO L495 AbstractCegarLoop]: Abstraction has 70039 states and 116088 transitions. [2022-10-16 16:45:54,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 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 16:45:54,702 INFO L276 IsEmpty]: Start isEmpty. Operand 70039 states and 116088 transitions. [2022-10-16 16:45:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:45:54,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:54,703 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] [2022-10-16 16:45:54,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:45:54,703 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:45:54,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:54,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1543909343, now seen corresponding path program 1 times [2022-10-16 16:45:54,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:54,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454158352] [2022-10-16 16:45:54,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:54,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:54,910 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 16:45:54,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454158352] [2022-10-16 16:45:54,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454158352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:54,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:54,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:54,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478092651] [2022-10-16 16:45:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:54,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:54,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:54,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:54,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:54,913 INFO L87 Difference]: Start difference. First operand 70039 states and 116088 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 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 16:46:02,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:02,441 INFO L93 Difference]: Finished difference Result 107630 states and 177256 transitions. [2022-10-16 16:46:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:02,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 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 122 [2022-10-16 16:46:02,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:02,646 INFO L225 Difference]: With dead ends: 107630 [2022-10-16 16:46:02,646 INFO L226 Difference]: Without dead ends: 107629 [2022-10-16 16:46:02,675 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 16:46:02,676 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 516 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:02,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 802 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:46:02,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107629 states. [2022-10-16 16:46:10,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107629 to 107416. [2022-10-16 16:46:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107416 states, 107370 states have (on average 1.6436155350656607) internal successors, (176475), 107415 states have internal predecessors, (176475), 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 16:46:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107416 states to 107416 states and 176475 transitions. [2022-10-16 16:46:10,744 INFO L78 Accepts]: Start accepts. Automaton has 107416 states and 176475 transitions. Word has length 122 [2022-10-16 16:46:10,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:10,744 INFO L495 AbstractCegarLoop]: Abstraction has 107416 states and 176475 transitions. [2022-10-16 16:46:10,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 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 16:46:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 107416 states and 176475 transitions. [2022-10-16 16:46:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:46:10,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:10,746 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] [2022-10-16 16:46:10,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:46:10,746 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:46:10,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash 616549813, now seen corresponding path program 1 times [2022-10-16 16:46:10,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:10,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881666434] [2022-10-16 16:46:10,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:10,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:10,928 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 16:46:10,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:10,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881666434] [2022-10-16 16:46:10,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881666434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:10,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:10,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:46:10,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568721504] [2022-10-16 16:46:10,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:10,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:46:10,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:10,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:46:10,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:10,930 INFO L87 Difference]: Start difference. First operand 107416 states and 176475 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 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 16:46:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:24,033 INFO L93 Difference]: Finished difference Result 186606 states and 307216 transitions. [2022-10-16 16:46:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:24,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 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 123 [2022-10-16 16:46:24,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:24,607 INFO L225 Difference]: With dead ends: 186606 [2022-10-16 16:46:24,607 INFO L226 Difference]: Without dead ends: 186605 [2022-10-16 16:46:24,664 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 16:46:24,680 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 514 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:24,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 834 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:46:24,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186605 states. [2022-10-16 16:46:39,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186605 to 186364. [2022-10-16 16:46:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186364 states, 186318 states have (on average 1.6432389785205939) internal successors, (306165), 186363 states have internal predecessors, (306165), 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 16:46:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186364 states to 186364 states and 306165 transitions. [2022-10-16 16:46:39,894 INFO L78 Accepts]: Start accepts. Automaton has 186364 states and 306165 transitions. Word has length 123 [2022-10-16 16:46:39,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:39,895 INFO L495 AbstractCegarLoop]: Abstraction has 186364 states and 306165 transitions. [2022-10-16 16:46:39,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 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 16:46:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 186364 states and 306165 transitions. [2022-10-16 16:46:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:46:39,904 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:39,905 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] [2022-10-16 16:46:39,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:46:39,905 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:46:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:39,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1937388992, now seen corresponding path program 1 times [2022-10-16 16:46:39,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:39,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930776536] [2022-10-16 16:46:39,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:40,732 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 16:46:40,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:40,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930776536] [2022-10-16 16:46:40,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930776536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:40,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:40,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:46:40,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314881904] [2022-10-16 16:46:40,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:40,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:46:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:40,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:46:40,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:46:40,738 INFO L87 Difference]: Start difference. First operand 186364 states and 306165 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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 16:47:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:06,181 INFO L93 Difference]: Finished difference Result 487434 states and 803209 transitions. [2022-10-16 16:47:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:47:06,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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 124 [2022-10-16 16:47:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:07,113 INFO L225 Difference]: With dead ends: 487434 [2022-10-16 16:47:07,114 INFO L226 Difference]: Without dead ends: 301319 [2022-10-16 16:47:07,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:47:07,392 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 2909 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2909 SdHoareTripleChecker+Valid, 5166 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:07,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2909 Valid, 5166 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:47:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301319 states. [2022-10-16 16:47:28,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301319 to 240427. [2022-10-16 16:47:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240427 states, 240381 states have (on average 1.641294445068454) internal successors, (394536), 240426 states have internal predecessors, (394536), 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 16:47:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240427 states to 240427 states and 394536 transitions. [2022-10-16 16:47:30,153 INFO L78 Accepts]: Start accepts. Automaton has 240427 states and 394536 transitions. Word has length 124 [2022-10-16 16:47:30,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:30,153 INFO L495 AbstractCegarLoop]: Abstraction has 240427 states and 394536 transitions. [2022-10-16 16:47:30,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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 16:47:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 240427 states and 394536 transitions. [2022-10-16 16:47:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:47:30,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:30,155 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] [2022-10-16 16:47:30,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:47:30,155 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:47:30,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:30,156 INFO L85 PathProgramCache]: Analyzing trace with hash -201102505, now seen corresponding path program 1 times [2022-10-16 16:47:30,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:30,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54686015] [2022-10-16 16:47:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:30,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:30,342 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 16:47:30,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:30,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54686015] [2022-10-16 16:47:30,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54686015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:30,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:30,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:30,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962246968] [2022-10-16 16:47:30,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:30,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:30,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:30,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:30,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:30,345 INFO L87 Difference]: Start difference. First operand 240427 states and 394536 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 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 16:48:03,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:03,381 INFO L93 Difference]: Finished difference Result 375778 states and 614308 transitions. [2022-10-16 16:48:03,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:48:03,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 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 125 [2022-10-16 16:48:03,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:04,577 INFO L225 Difference]: With dead ends: 375778 [2022-10-16 16:48:04,577 INFO L226 Difference]: Without dead ends: 375777 [2022-10-16 16:48:04,721 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 16:48:04,722 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 513 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:04,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 816 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:48:05,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375777 states. [2022-10-16 16:48:39,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375777 to 375019. [2022-10-16 16:48:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375019 states, 374973 states have (on average 1.6317574865390307) internal successors, (611865), 375018 states have internal predecessors, (611865), 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)