/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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:48:44,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:48:44,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:48:44,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:48:44,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:48:44,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:48:44,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:48:44,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:48:44,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:48:44,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:48:44,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:48:44,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:48:44,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:48:44,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:48:44,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:48:44,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:48:44,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:48:44,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:48:44,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:48:44,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:48:44,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:48:44,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:48:44,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:48:44,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:48:44,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:48:44,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:48:44,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:48:44,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:48:44,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:48:44,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:48:44,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:48:44,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:48:44,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:48:44,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:48:44,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:48:44,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:48:44,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:48:44,902 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:48:44,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:48:44,903 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:48:44,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:48:44,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:48:44,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:48:44,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:48:44,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:48:44,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:48:44,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:48:44,904 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:48:44,904 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:48:44,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:48:44,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:48:44,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:48:44,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:48:44,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:48:44,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:48:44,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:48:44,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:48:44,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:48:44,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:48:44,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:48:44,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:48:44,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:48:44,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:48:45,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:48:45,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:48:45,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:48:45,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:48:45,311 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:48:45,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:48:45,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913a537c0/29e13f9a7ba748ac8b57376dcdfadc58/FLAGf8bc6ffe6 [2022-10-16 15:48:46,238 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:48:46,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:48:46,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913a537c0/29e13f9a7ba748ac8b57376dcdfadc58/FLAGf8bc6ffe6 [2022-10-16 15:48:46,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913a537c0/29e13f9a7ba748ac8b57376dcdfadc58 [2022-10-16 15:48:46,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:48:46,438 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:48:46,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:48:46,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:48:46,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:48:46,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:48:46" (1/1) ... [2022-10-16 15:48:46,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd784ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:46, skipping insertion in model container [2022-10-16 15:48:46,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:48:46" (1/1) ... [2022-10-16 15:48:46,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:48:46,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:48:47,184 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31589,31602] [2022-10-16 15:48:47,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:48:47,470 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:48:47,796 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31589,31602] [2022-10-16 15:48:47,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:48:47,953 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:48:47,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47 WrapperNode [2022-10-16 15:48:47,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:48:47,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:48:47,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:48:47,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:48:47,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:47,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,125 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2899 [2022-10-16 15:48:48,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:48:48,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:48:48,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:48:48,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:48:48,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:48:48,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:48:48,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:48:48,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:48:48,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (1/1) ... [2022-10-16 15:48:48,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:48:48,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:48:48,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:48:48,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:48:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:48:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:48:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:48:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:48:48,662 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:48:48,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:48:51,369 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:48:51,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:48:51,389 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:48:51,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:48:51 BoogieIcfgContainer [2022-10-16 15:48:51,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:48:51,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:48:51,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:48:51,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:48:51,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:48:46" (1/3) ... [2022-10-16 15:48:51,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33aaf92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:48:51, skipping insertion in model container [2022-10-16 15:48:51,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:48:47" (2/3) ... [2022-10-16 15:48:51,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33aaf92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:48:51, skipping insertion in model container [2022-10-16 15:48:51,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:48:51" (3/3) ... [2022-10-16 15:48:51,403 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:48:51,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:48:51,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 232 error locations. [2022-10-16 15:48:51,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:48:51,514 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;@1e34e81c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:48:51,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 232 error locations. [2022-10-16 15:48:51,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 1178 states, 945 states have (on average 1.8391534391534392) internal successors, (1738), 1177 states have internal predecessors, (1738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:48:51,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:51,544 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 15:48:51,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:51,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:51,551 INFO L85 PathProgramCache]: Analyzing trace with hash -327227433, now seen corresponding path program 1 times [2022-10-16 15:48:51,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:51,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870520771] [2022-10-16 15:48:51,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:51,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:52,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:52,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870520771] [2022-10-16 15:48:52,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870520771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:52,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:52,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:52,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569333869] [2022-10-16 15:48:52,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:52,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:52,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:52,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:52,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:52,352 INFO L87 Difference]: Start difference. First operand has 1178 states, 945 states have (on average 1.8391534391534392) internal successors, (1738), 1177 states have internal predecessors, (1738), 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, 2 states have (on average 53.0) 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 15:48:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:53,018 INFO L93 Difference]: Finished difference Result 1509 states and 2222 transitions. [2022-10-16 15:48:53,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:53,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) 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 15:48:53,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:53,056 INFO L225 Difference]: With dead ends: 1509 [2022-10-16 15:48:53,057 INFO L226 Difference]: Without dead ends: 1453 [2022-10-16 15:48:53,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:53,070 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1576 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:53,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 2242 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:48:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2022-10-16 15:48:53,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1393. [2022-10-16 15:48:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1203 states have (on average 1.6467165419783873) internal successors, (1981), 1392 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1981 transitions. [2022-10-16 15:48:53,263 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1981 transitions. Word has length 106 [2022-10-16 15:48:53,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:53,264 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1981 transitions. [2022-10-16 15:48:53,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) 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 15:48:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1981 transitions. [2022-10-16 15:48:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:48:53,270 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:53,270 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] [2022-10-16 15:48:53,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:48:53,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:53,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:53,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1554115402, now seen corresponding path program 1 times [2022-10-16 15:48:53,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:53,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854179707] [2022-10-16 15:48:53,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:53,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:53,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:53,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854179707] [2022-10-16 15:48:53,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854179707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:53,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:53,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:53,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277367895] [2022-10-16 15:48:53,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:53,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:53,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:53,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:53,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:53,673 INFO L87 Difference]: Start difference. First operand 1393 states and 1981 transitions. Second operand has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:54,062 INFO L93 Difference]: Finished difference Result 1458 states and 1981 transitions. [2022-10-16 15:48:54,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:54,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 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 107 [2022-10-16 15:48:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:54,079 INFO L225 Difference]: With dead ends: 1458 [2022-10-16 15:48:54,079 INFO L226 Difference]: Without dead ends: 1443 [2022-10-16 15:48:54,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:54,082 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 1406 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:54,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 2077 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:48:54,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-10-16 15:48:54,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1383. [2022-10-16 15:48:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1203 states have (on average 1.6342477140482128) internal successors, (1966), 1382 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1966 transitions. [2022-10-16 15:48:54,156 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1966 transitions. Word has length 107 [2022-10-16 15:48:54,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:54,157 INFO L495 AbstractCegarLoop]: Abstraction has 1383 states and 1966 transitions. [2022-10-16 15:48:54,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1966 transitions. [2022-10-16 15:48:54,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:48:54,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:54,160 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] [2022-10-16 15:48:54,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:48:54,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:54,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash -932936775, now seen corresponding path program 1 times [2022-10-16 15:48:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:54,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129951487] [2022-10-16 15:48:54,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:54,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:54,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129951487] [2022-10-16 15:48:54,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129951487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:54,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:54,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:54,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906120491] [2022-10-16 15:48:54,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:54,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:54,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:54,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:54,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:54,379 INFO L87 Difference]: Start difference. First operand 1383 states and 1966 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:54,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:54,787 INFO L93 Difference]: Finished difference Result 1672 states and 2366 transitions. [2022-10-16 15:48:54,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:54,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 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 108 [2022-10-16 15:48:54,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:54,798 INFO L225 Difference]: With dead ends: 1672 [2022-10-16 15:48:54,798 INFO L226 Difference]: Without dead ends: 1657 [2022-10-16 15:48:54,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:54,802 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 1383 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:54,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 2027 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:48:54,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2022-10-16 15:48:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1607. [2022-10-16 15:48:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1437 states have (on average 1.6360473208072372) internal successors, (2351), 1606 states have internal predecessors, (2351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2351 transitions. [2022-10-16 15:48:54,900 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2351 transitions. Word has length 108 [2022-10-16 15:48:54,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:54,901 INFO L495 AbstractCegarLoop]: Abstraction has 1607 states and 2351 transitions. [2022-10-16 15:48:54,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2351 transitions. [2022-10-16 15:48:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:48:54,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:54,904 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 15:48:54,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:48:54,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:54,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:54,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1143731480, now seen corresponding path program 1 times [2022-10-16 15:48:54,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:54,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950111732] [2022-10-16 15:48:54,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:54,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:55,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:55,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950111732] [2022-10-16 15:48:55,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950111732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:55,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:55,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:55,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482616936] [2022-10-16 15:48:55,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:55,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:55,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:55,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:55,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:55,125 INFO L87 Difference]: Start difference. First operand 1607 states and 2351 transitions. Second operand has 3 states, 2 states have (on average 54.5) 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 15:48:55,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:55,546 INFO L93 Difference]: Finished difference Result 1662 states and 2351 transitions. [2022-10-16 15:48:55,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:55,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) 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 15:48:55,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:55,556 INFO L225 Difference]: With dead ends: 1662 [2022-10-16 15:48:55,556 INFO L226 Difference]: Without dead ends: 1647 [2022-10-16 15:48:55,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:55,559 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 1372 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:55,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 2027 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:48:55,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-10-16 15:48:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1597. [2022-10-16 15:48:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1437 states have (on average 1.6256089074460682) internal successors, (2336), 1596 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2336 transitions. [2022-10-16 15:48:55,666 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2336 transitions. Word has length 109 [2022-10-16 15:48:55,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:55,667 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2336 transitions. [2022-10-16 15:48:55,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) 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 15:48:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2336 transitions. [2022-10-16 15:48:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:48:55,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:55,669 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] [2022-10-16 15:48:55,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:48:55,669 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:55,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1095937947, now seen corresponding path program 1 times [2022-10-16 15:48:55,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:55,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171096988] [2022-10-16 15:48:55,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:55,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:55,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:55,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171096988] [2022-10-16 15:48:55,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171096988] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:55,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:55,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:55,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680000456] [2022-10-16 15:48:55,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:55,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:55,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:55,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:55,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:55,900 INFO L87 Difference]: Start difference. First operand 1597 states and 2336 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:56,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:56,332 INFO L93 Difference]: Finished difference Result 2007 states and 2998 transitions. [2022-10-16 15:48:56,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:56,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2022-10-16 15:48:56,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:56,345 INFO L225 Difference]: With dead ends: 2007 [2022-10-16 15:48:56,346 INFO L226 Difference]: Without dead ends: 1992 [2022-10-16 15:48:56,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:56,349 INFO L413 NwaCegarLoop]: 1492 mSDtfsCounter, 1366 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:56,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 1751 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:48:56,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2022-10-16 15:48:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1988. [2022-10-16 15:48:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1841 states have (on average 1.6159695817490494) internal successors, (2975), 1987 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2975 transitions. [2022-10-16 15:48:56,504 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2975 transitions. Word has length 110 [2022-10-16 15:48:56,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:56,504 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 2975 transitions. [2022-10-16 15:48:56,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2975 transitions. [2022-10-16 15:48:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:48:56,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:56,510 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] [2022-10-16 15:48:56,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:48:56,511 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:56,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:56,512 INFO L85 PathProgramCache]: Analyzing trace with hash -385661574, now seen corresponding path program 1 times [2022-10-16 15:48:56,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:56,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149770742] [2022-10-16 15:48:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:56,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:56,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:56,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149770742] [2022-10-16 15:48:56,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149770742] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:56,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:56,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:56,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508985010] [2022-10-16 15:48:56,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:56,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:56,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:56,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:56,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:56,816 INFO L87 Difference]: Start difference. First operand 1988 states and 2975 transitions. Second operand has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:57,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:57,433 INFO L93 Difference]: Finished difference Result 2729 states and 4142 transitions. [2022-10-16 15:48:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:57,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 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 111 [2022-10-16 15:48:57,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:57,450 INFO L225 Difference]: With dead ends: 2729 [2022-10-16 15:48:57,450 INFO L226 Difference]: Without dead ends: 2714 [2022-10-16 15:48:57,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:57,456 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 1349 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:57,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 1608 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:48:57,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2022-10-16 15:48:57,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2674. [2022-10-16 15:48:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2537 states have (on average 1.6231769806858494) internal successors, (4118), 2673 states have internal predecessors, (4118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 4118 transitions. [2022-10-16 15:48:57,733 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 4118 transitions. Word has length 111 [2022-10-16 15:48:57,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:57,734 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 4118 transitions. [2022-10-16 15:48:57,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 4118 transitions. [2022-10-16 15:48:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:48:57,736 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:57,737 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] [2022-10-16 15:48:57,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:48:57,737 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:57,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:57,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1253571076, now seen corresponding path program 1 times [2022-10-16 15:48:57,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:57,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130652696] [2022-10-16 15:48:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:57,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:57,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:57,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130652696] [2022-10-16 15:48:57,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130652696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:57,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:57,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:57,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268446744] [2022-10-16 15:48:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:57,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:57,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:57,945 INFO L87 Difference]: Start difference. First operand 2674 states and 4118 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:58,600 INFO L93 Difference]: Finished difference Result 3996 states and 6279 transitions. [2022-10-16 15:48:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:58,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 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 113 [2022-10-16 15:48:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:58,622 INFO L225 Difference]: With dead ends: 3996 [2022-10-16 15:48:58,622 INFO L226 Difference]: Without dead ends: 3990 [2022-10-16 15:48:58,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:58,627 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 1279 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:58,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 1695 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:48:58,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2022-10-16 15:48:58,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 3975. [2022-10-16 15:48:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3975 states, 3843 states have (on average 1.6263335935467083) internal successors, (6250), 3974 states have internal predecessors, (6250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3975 states and 6250 transitions. [2022-10-16 15:48:59,027 INFO L78 Accepts]: Start accepts. Automaton has 3975 states and 6250 transitions. Word has length 113 [2022-10-16 15:48:59,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:59,028 INFO L495 AbstractCegarLoop]: Abstraction has 3975 states and 6250 transitions. [2022-10-16 15:48:59,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 6250 transitions. [2022-10-16 15:48:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:48:59,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:59,030 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] [2022-10-16 15:48:59,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:48:59,031 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:48:59,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:59,031 INFO L85 PathProgramCache]: Analyzing trace with hash -205997248, now seen corresponding path program 1 times [2022-10-16 15:48:59,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:59,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023367538] [2022-10-16 15:48:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:59,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:59,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023367538] [2022-10-16 15:48:59,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023367538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:59,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:59,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:59,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083777620] [2022-10-16 15:48:59,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:59,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:59,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:59,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:59,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:59,280 INFO L87 Difference]: Start difference. First operand 3975 states and 6250 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:00,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:00,292 INFO L93 Difference]: Finished difference Result 6782 states and 10846 transitions. [2022-10-16 15:49:00,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:00,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 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 114 [2022-10-16 15:49:00,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:00,329 INFO L225 Difference]: With dead ends: 6782 [2022-10-16 15:49:00,329 INFO L226 Difference]: Without dead ends: 6776 [2022-10-16 15:49:00,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:00,336 INFO L413 NwaCegarLoop]: 1551 mSDtfsCounter, 1210 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:00,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 1862 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:00,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6776 states. [2022-10-16 15:49:01,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6776 to 6733. [2022-10-16 15:49:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6733 states, 6606 states have (on average 1.6365425370874962) internal successors, (10811), 6732 states have internal predecessors, (10811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6733 states to 6733 states and 10811 transitions. [2022-10-16 15:49:01,049 INFO L78 Accepts]: Start accepts. Automaton has 6733 states and 10811 transitions. Word has length 114 [2022-10-16 15:49:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:01,049 INFO L495 AbstractCegarLoop]: Abstraction has 6733 states and 10811 transitions. [2022-10-16 15:49:01,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 6733 states and 10811 transitions. [2022-10-16 15:49:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 15:49:01,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:01,052 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 15:49:01,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:49:01,054 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:49:01,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:01,055 INFO L85 PathProgramCache]: Analyzing trace with hash -394845406, now seen corresponding path program 1 times [2022-10-16 15:49:01,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:01,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317198026] [2022-10-16 15:49:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:01,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:01,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317198026] [2022-10-16 15:49:01,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317198026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:01,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:01,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:01,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911987188] [2022-10-16 15:49:01,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:01,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:01,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:01,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:01,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:01,287 INFO L87 Difference]: Start difference. First operand 6733 states and 10811 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 15:49:02,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:02,782 INFO L93 Difference]: Finished difference Result 11854 states and 19195 transitions. [2022-10-16 15:49:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:02,783 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 15:49:02,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:02,836 INFO L225 Difference]: With dead ends: 11854 [2022-10-16 15:49:02,837 INFO L226 Difference]: Without dead ends: 11848 [2022-10-16 15:49:02,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:02,842 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 1281 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:02,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 1682 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:02,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2022-10-16 15:49:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11803. [2022-10-16 15:49:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11803 states, 11681 states have (on average 1.635476414690523) internal successors, (19104), 11802 states have internal predecessors, (19104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11803 states to 11803 states and 19104 transitions. [2022-10-16 15:49:03,987 INFO L78 Accepts]: Start accepts. Automaton has 11803 states and 19104 transitions. Word has length 116 [2022-10-16 15:49:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:03,987 INFO L495 AbstractCegarLoop]: Abstraction has 11803 states and 19104 transitions. [2022-10-16 15:49:03,988 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 15:49:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 11803 states and 19104 transitions. [2022-10-16 15:49:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 15:49:03,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:03,990 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 15:49:03,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:49:03,991 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:49:03,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:03,991 INFO L85 PathProgramCache]: Analyzing trace with hash 644694753, now seen corresponding path program 1 times [2022-10-16 15:49:03,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:03,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457546021] [2022-10-16 15:49:03,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:03,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:04,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:04,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457546021] [2022-10-16 15:49:04,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457546021] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:04,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:04,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41000229] [2022-10-16 15:49:04,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:04,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:04,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:04,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:04,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:04,222 INFO L87 Difference]: Start difference. First operand 11803 states and 19104 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 15:49:06,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:06,481 INFO L93 Difference]: Finished difference Result 22301 states and 36320 transitions. [2022-10-16 15:49:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:06,482 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 15:49:06,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:06,620 INFO L225 Difference]: With dead ends: 22301 [2022-10-16 15:49:06,621 INFO L226 Difference]: Without dead ends: 22295 [2022-10-16 15:49:06,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:06,630 INFO L413 NwaCegarLoop]: 1541 mSDtfsCounter, 1217 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:06,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 1832 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:49:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22295 states. [2022-10-16 15:49:08,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22295 to 22224. [2022-10-16 15:49:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22224 states, 22107 states have (on average 1.638259374858642) internal successors, (36217), 22223 states have internal predecessors, (36217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22224 states to 22224 states and 36217 transitions. [2022-10-16 15:49:08,739 INFO L78 Accepts]: Start accepts. Automaton has 22224 states and 36217 transitions. Word has length 117 [2022-10-16 15:49:08,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:08,740 INFO L495 AbstractCegarLoop]: Abstraction has 22224 states and 36217 transitions. [2022-10-16 15:49:08,740 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 15:49:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 22224 states and 36217 transitions. [2022-10-16 15:49:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:49:08,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:08,742 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 15:49:08,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:49:08,743 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:49:08,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1076381539, now seen corresponding path program 1 times [2022-10-16 15:49:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:08,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708673760] [2022-10-16 15:49:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:08,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:08,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708673760] [2022-10-16 15:49:08,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708673760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:08,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:08,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:08,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688626117] [2022-10-16 15:49:08,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:08,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:08,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:08,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:08,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:08,915 INFO L87 Difference]: Start difference. First operand 22224 states and 36217 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 15:49:12,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:12,252 INFO L93 Difference]: Finished difference Result 41804 states and 68233 transitions. [2022-10-16 15:49:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:12,252 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 15:49:12,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:12,368 INFO L225 Difference]: With dead ends: 41804 [2022-10-16 15:49:12,369 INFO L226 Difference]: Without dead ends: 41798 [2022-10-16 15:49:12,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:12,385 INFO L413 NwaCegarLoop]: 1495 mSDtfsCounter, 1283 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:12,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 1749 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:49:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41798 states. [2022-10-16 15:49:16,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41798 to 41637. [2022-10-16 15:49:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41637 states, 41525 states have (on average 1.6352077062010837) internal successors, (67902), 41636 states have internal predecessors, (67902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:16,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41637 states to 41637 states and 67902 transitions. [2022-10-16 15:49:16,546 INFO L78 Accepts]: Start accepts. Automaton has 41637 states and 67902 transitions. Word has length 119 [2022-10-16 15:49:16,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:16,548 INFO L495 AbstractCegarLoop]: Abstraction has 41637 states and 67902 transitions. [2022-10-16 15:49:16,548 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 15:49:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 41637 states and 67902 transitions. [2022-10-16 15:49:16,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:49:16,551 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:16,551 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 15:49:16,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:49:16,553 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:49:16,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:16,554 INFO L85 PathProgramCache]: Analyzing trace with hash -991910201, now seen corresponding path program 1 times [2022-10-16 15:49:16,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:16,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35345396] [2022-10-16 15:49:16,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:16,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:16,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:16,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35345396] [2022-10-16 15:49:16,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35345396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:16,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:16,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:16,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713045202] [2022-10-16 15:49:16,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:16,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:16,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:16,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:16,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:16,743 INFO L87 Difference]: Start difference. First operand 41637 states and 67902 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 15:49:23,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:23,247 INFO L93 Difference]: Finished difference Result 81232 states and 132682 transitions. [2022-10-16 15:49:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:23,247 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 15:49:23,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:23,513 INFO L225 Difference]: With dead ends: 81232 [2022-10-16 15:49:23,513 INFO L226 Difference]: Without dead ends: 81226 [2022-10-16 15:49:23,544 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 15:49:23,545 INFO L413 NwaCegarLoop]: 1591 mSDtfsCounter, 1224 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 1898 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:23,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 1898 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:23,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81226 states. [2022-10-16 15:49:30,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81226 to 81041. [2022-10-16 15:49:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81041 states, 80934 states have (on average 1.6349988879828008) internal successors, (132327), 81040 states have internal predecessors, (132327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:30,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81041 states to 81041 states and 132327 transitions. [2022-10-16 15:49:30,889 INFO L78 Accepts]: Start accepts. Automaton has 81041 states and 132327 transitions. Word has length 120 [2022-10-16 15:49:30,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:30,890 INFO L495 AbstractCegarLoop]: Abstraction has 81041 states and 132327 transitions. [2022-10-16 15:49:30,891 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 15:49:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 81041 states and 132327 transitions. [2022-10-16 15:49:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:49:30,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:30,894 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, 1, 1, 1, 1, 1] [2022-10-16 15:49:30,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:49:30,895 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:49:30,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash 257051305, now seen corresponding path program 1 times [2022-10-16 15:49:30,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:30,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845522224] [2022-10-16 15:49:30,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:31,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:31,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845522224] [2022-10-16 15:49:31,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845522224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:31,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:31,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:31,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291056575] [2022-10-16 15:49:31,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:31,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:31,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:31,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:31,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:31,079 INFO L87 Difference]: Start difference. First operand 81041 states and 132327 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 15:49:42,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:42,479 INFO L93 Difference]: Finished difference Result 140389 states and 229496 transitions. [2022-10-16 15:49:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:42,480 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 15:49:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:43,070 INFO L225 Difference]: With dead ends: 140389 [2022-10-16 15:49:43,071 INFO L226 Difference]: Without dead ends: 140383 [2022-10-16 15:49:43,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:43,118 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 1285 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:43,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1285 Valid, 1816 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:49:43,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140383 states. [2022-10-16 15:49:55,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140383 to 139881. [2022-10-16 15:49:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139881 states, 139779 states have (on average 1.6344586812039004) internal successors, (228463), 139880 states have internal predecessors, (228463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139881 states to 139881 states and 228463 transitions. [2022-10-16 15:49:56,278 INFO L78 Accepts]: Start accepts. Automaton has 139881 states and 228463 transitions. Word has length 122 [2022-10-16 15:49:56,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:56,278 INFO L495 AbstractCegarLoop]: Abstraction has 139881 states and 228463 transitions. [2022-10-16 15:49:56,279 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 15:49:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 139881 states and 228463 transitions. [2022-10-16 15:49:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:49:56,281 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:56,281 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 15:49:56,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:49:56,282 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:49:56,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:56,282 INFO L85 PathProgramCache]: Analyzing trace with hash -621343672, now seen corresponding path program 1 times [2022-10-16 15:49:56,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:56,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979288078] [2022-10-16 15:49:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:56,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:56,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:56,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979288078] [2022-10-16 15:49:56,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979288078] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:56,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:56,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:56,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505607603] [2022-10-16 15:49:56,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:56,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:56,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:56,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:56,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:56,492 INFO L87 Difference]: Start difference. First operand 139881 states and 228463 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 15:50:19,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:19,196 INFO L93 Difference]: Finished difference Result 259278 states and 423927 transitions. [2022-10-16 15:50:19,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:19,197 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 15:50:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:20,172 INFO L225 Difference]: With dead ends: 259278 [2022-10-16 15:50:20,172 INFO L226 Difference]: Without dead ends: 259272 [2022-10-16 15:50:20,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:20,260 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 1231 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:20,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 1964 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:50:20,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259272 states. [2022-10-16 15:50:43,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259272 to 258748. [2022-10-16 15:50:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258748 states, 258651 states have (on average 1.6348129332575556) internal successors, (422846), 258747 states have internal predecessors, (422846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258748 states to 258748 states and 422846 transitions. [2022-10-16 15:50:45,566 INFO L78 Accepts]: Start accepts. Automaton has 258748 states and 422846 transitions. Word has length 123 [2022-10-16 15:50:45,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:45,567 INFO L495 AbstractCegarLoop]: Abstraction has 258748 states and 422846 transitions. [2022-10-16 15:50:45,567 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 15:50:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 258748 states and 422846 transitions. [2022-10-16 15:50:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 15:50:45,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:45,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:50:45,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:50:45,569 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:45,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:45,570 INFO L85 PathProgramCache]: Analyzing trace with hash 594279928, now seen corresponding path program 1 times [2022-10-16 15:50:45,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:45,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173174827] [2022-10-16 15:50:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:45,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:45,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:45,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173174827] [2022-10-16 15:50:45,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173174827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:45,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:45,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:50:45,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021294502] [2022-10-16 15:50:45,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:45,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:50:45,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:45,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:50:45,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:50:45,773 INFO L87 Difference]: Start difference. First operand 258748 states and 422846 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 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)