/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.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:52:50,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:52:50,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:52:50,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:52:50,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:52:50,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:52:50,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:52:50,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:52:50,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:52:50,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:52:50,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:52:50,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:52:50,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:52:50,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:52:50,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:52:50,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:52:50,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:52:50,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:52:50,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:52:50,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:52:50,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:52:50,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:52:50,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:52:50,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:52:50,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:52:50,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:52:50,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:52:50,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:52:50,715 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 15:52:50,777 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:52:50,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:52:50,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:52:50,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:52:50,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:52:50,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:52:50,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:52:50,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:52:50,783 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:52:50,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:52:50,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:52:50,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:52:50,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:52:50,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:52:50,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:52:50,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:52:50,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:52:50,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:52:50,786 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:52:50,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:52:50,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:52:50,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:52:50,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:52:50,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:52:50,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:52:50,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:52:50,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:52:50,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:52:50,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:52:50,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:52:50,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:52:50,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:52:50,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:52:50,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:52:51,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:52:51,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:52:51,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:52:51,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:52:51,269 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:52:51,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:52:51,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c65ebac7e/55113c453ef6451daa65c30d3923bedd/FLAGa8187a918 [2022-10-16 15:52:52,038 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:52:52,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:52:52,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c65ebac7e/55113c453ef6451daa65c30d3923bedd/FLAGa8187a918 [2022-10-16 15:52:52,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c65ebac7e/55113c453ef6451daa65c30d3923bedd [2022-10-16 15:52:52,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:52:52,341 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:52:52,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:52:52,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:52:52,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:52:52,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:52:52" (1/1) ... [2022-10-16 15:52:52,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2740c7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:52, skipping insertion in model container [2022-10-16 15:52:52,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:52:52" (1/1) ... [2022-10-16 15:52:52,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:52:52,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:52:52,861 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.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[12984,12997] [2022-10-16 15:52:52,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:52:52,970 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:52:53,064 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.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[12984,12997] [2022-10-16 15:52:53,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:52:53,264 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:52:53,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53 WrapperNode [2022-10-16 15:52:53,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:52:53,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:52:53,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:52:53,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:52:53,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,430 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1343 [2022-10-16 15:52:53,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:52:53,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:52:53,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:52:53,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:52:53,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:52:53,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:52:53,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:52:53,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:52:53,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (1/1) ... [2022-10-16 15:52:53,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:52:53,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:52:53,582 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 15:52:53,606 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 15:52:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:52:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:52:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:52:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:52:53,829 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:52:53,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:52:55,285 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:52:55,311 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:52:55,312 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:52:55,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:52:55 BoogieIcfgContainer [2022-10-16 15:52:55,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:52:55,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:52:55,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:52:55,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:52:55,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:52:52" (1/3) ... [2022-10-16 15:52:55,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4880eef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:52:55, skipping insertion in model container [2022-10-16 15:52:55,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:53" (2/3) ... [2022-10-16 15:52:55,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4880eef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:52:55, skipping insertion in model container [2022-10-16 15:52:55,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:52:55" (3/3) ... [2022-10-16 15:52:55,328 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:52:55,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:52:55,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-16 15:52:55,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:52:55,460 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;@197fcb51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:52:55,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-16 15:52:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 365 states have (on average 1.83013698630137) internal successors, (668), 411 states have internal predecessors, (668), 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 15:52:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:52:55,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:55,486 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] [2022-10-16 15:52:55,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:52:55,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:55,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1259654728, now seen corresponding path program 1 times [2022-10-16 15:52:55,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:55,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470365408] [2022-10-16 15:52:55,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:55,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:56,125 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 15:52:56,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:56,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470365408] [2022-10-16 15:52:56,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470365408] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:56,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:56,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:52:56,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878687785] [2022-10-16 15:52:56,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:56,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:52:56,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:56,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:52:56,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:52:56,173 INFO L87 Difference]: Start difference. First operand has 412 states, 365 states have (on average 1.83013698630137) internal successors, (668), 411 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 96.0) internal successors, (96), 2 states have internal predecessors, (96), 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 15:52:56,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:56,232 INFO L93 Difference]: Finished difference Result 415 states and 670 transitions. [2022-10-16 15:52:56,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:52:56,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 96.0) internal successors, (96), 2 states have internal predecessors, (96), 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 96 [2022-10-16 15:52:56,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:56,252 INFO L225 Difference]: With dead ends: 415 [2022-10-16 15:52:56,253 INFO L226 Difference]: Without dead ends: 401 [2022-10-16 15:52:56,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:52:56,262 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:56,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:52:56,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-10-16 15:52:56,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-10-16 15:52:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 363 states have (on average 1.6914600550964187) internal successors, (614), 400 states have internal predecessors, (614), 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 15:52:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 614 transitions. [2022-10-16 15:52:56,337 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 614 transitions. Word has length 96 [2022-10-16 15:52:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:56,338 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 614 transitions. [2022-10-16 15:52:56,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 96.0) internal successors, (96), 2 states have internal predecessors, (96), 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 15:52:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 614 transitions. [2022-10-16 15:52:56,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:52:56,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:56,345 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 15:52:56,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:52:56,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:52:56,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:56,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1832561058, now seen corresponding path program 1 times [2022-10-16 15:52:56,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:56,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453835564] [2022-10-16 15:52:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:56,689 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 15:52:56,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:56,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453835564] [2022-10-16 15:52:56,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453835564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:56,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:56,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:56,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043437359] [2022-10-16 15:52:56,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:56,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:56,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:56,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:56,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:56,699 INFO L87 Difference]: Start difference. First operand 401 states and 614 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) 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 15:52:56,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:56,853 INFO L93 Difference]: Finished difference Result 790 states and 1179 transitions. [2022-10-16 15:52:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:56,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) 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 15:52:56,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:56,867 INFO L225 Difference]: With dead ends: 790 [2022-10-16 15:52:56,867 INFO L226 Difference]: Without dead ends: 578 [2022-10-16 15:52:56,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:56,878 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 252 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:56,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1188 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:52:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-10-16 15:52:56,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 550. [2022-10-16 15:52:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 512 states have (on average 1.69140625) internal successors, (866), 549 states have internal predecessors, (866), 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 15:52:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 866 transitions. [2022-10-16 15:52:56,969 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 866 transitions. Word has length 107 [2022-10-16 15:52:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:56,971 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 866 transitions. [2022-10-16 15:52:56,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) 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 15:52:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 866 transitions. [2022-10-16 15:52:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:52:56,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:56,985 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 15:52:56,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:52:56,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:52:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:56,987 INFO L85 PathProgramCache]: Analyzing trace with hash 832871309, now seen corresponding path program 1 times [2022-10-16 15:52:56,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:56,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277065580] [2022-10-16 15:52:56,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:56,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:57,268 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 15:52:57,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:57,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277065580] [2022-10-16 15:52:57,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277065580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:57,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:57,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:57,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095159534] [2022-10-16 15:52:57,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:57,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:57,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:57,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:57,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:57,272 INFO L87 Difference]: Start difference. First operand 550 states and 866 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) 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 15:52:57,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:57,357 INFO L93 Difference]: Finished difference Result 1254 states and 1946 transitions. [2022-10-16 15:52:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:57,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 15:52:57,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:57,365 INFO L225 Difference]: With dead ends: 1254 [2022-10-16 15:52:57,365 INFO L226 Difference]: Without dead ends: 893 [2022-10-16 15:52:57,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:57,369 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 278 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:57,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1184 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:52:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2022-10-16 15:52:57,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 851. [2022-10-16 15:52:57,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 813 states have (on average 1.6986469864698648) internal successors, (1381), 850 states have internal predecessors, (1381), 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 15:52:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1381 transitions. [2022-10-16 15:52:57,433 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1381 transitions. Word has length 110 [2022-10-16 15:52:57,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:57,434 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 1381 transitions. [2022-10-16 15:52:57,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 15:52:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1381 transitions. [2022-10-16 15:52:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:52:57,436 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:57,436 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 15:52:57,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:52:57,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:52:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1712249190, now seen corresponding path program 1 times [2022-10-16 15:52:57,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:57,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893639290] [2022-10-16 15:52:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:57,672 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 15:52:57,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:57,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893639290] [2022-10-16 15:52:57,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893639290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:57,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:57,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:57,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390981816] [2022-10-16 15:52:57,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:57,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:57,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:57,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:57,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:57,676 INFO L87 Difference]: Start difference. First operand 851 states and 1381 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) 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 15:52:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:57,820 INFO L93 Difference]: Finished difference Result 2139 states and 3457 transitions. [2022-10-16 15:52:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:57,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) 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 15:52:57,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:57,832 INFO L225 Difference]: With dead ends: 2139 [2022-10-16 15:52:57,832 INFO L226 Difference]: Without dead ends: 1477 [2022-10-16 15:52:57,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:57,836 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 272 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:57,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1185 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:52:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-10-16 15:52:57,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1431. [2022-10-16 15:52:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1393 states have (on average 1.700646087580761) internal successors, (2369), 1430 states have internal predecessors, (2369), 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 15:52:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2369 transitions. [2022-10-16 15:52:57,963 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2369 transitions. Word has length 113 [2022-10-16 15:52:57,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:57,964 INFO L495 AbstractCegarLoop]: Abstraction has 1431 states and 2369 transitions. [2022-10-16 15:52:57,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) 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 15:52:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2369 transitions. [2022-10-16 15:52:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 15:52:57,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:57,966 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 15:52:57,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:52:57,967 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:52:57,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:57,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1996519249, now seen corresponding path program 1 times [2022-10-16 15:52:57,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:57,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844825838] [2022-10-16 15:52:57,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:57,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:58,191 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 15:52:58,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:58,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844825838] [2022-10-16 15:52:58,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844825838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:58,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:58,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:58,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059816194] [2022-10-16 15:52:58,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:58,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:58,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:58,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:58,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:58,196 INFO L87 Difference]: Start difference. First operand 1431 states and 2369 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) 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 15:52:58,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:58,466 INFO L93 Difference]: Finished difference Result 3843 states and 6353 transitions. [2022-10-16 15:52:58,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:58,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) 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 15:52:58,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:58,485 INFO L225 Difference]: With dead ends: 3843 [2022-10-16 15:52:58,486 INFO L226 Difference]: Without dead ends: 2601 [2022-10-16 15:52:58,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:58,491 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 266 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:58,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1186 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:52:58,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2601 states. [2022-10-16 15:52:58,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2601 to 2547. [2022-10-16 15:52:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2547 states, 2509 states have (on average 1.6982861697887606) internal successors, (4261), 2546 states have internal predecessors, (4261), 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 15:52:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2547 states and 4261 transitions. [2022-10-16 15:52:58,756 INFO L78 Accepts]: Start accepts. Automaton has 2547 states and 4261 transitions. Word has length 116 [2022-10-16 15:52:58,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:58,756 INFO L495 AbstractCegarLoop]: Abstraction has 2547 states and 4261 transitions. [2022-10-16 15:52:58,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) 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 15:52:58,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 4261 transitions. [2022-10-16 15:52:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:52:58,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:58,760 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 15:52:58,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:52:58,760 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:52:58,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:58,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1871442218, now seen corresponding path program 1 times [2022-10-16 15:52:58,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:58,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361519998] [2022-10-16 15:52:58,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:58,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:59,003 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 15:52:59,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:59,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361519998] [2022-10-16 15:52:59,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361519998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:59,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:59,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:59,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179883752] [2022-10-16 15:52:59,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:59,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:59,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:59,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:59,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:59,009 INFO L87 Difference]: Start difference. First operand 2547 states and 4261 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 15:52:59,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:59,502 INFO L93 Difference]: Finished difference Result 4394 states and 7373 transitions. [2022-10-16 15:52:59,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:59,503 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 15:52:59,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:59,531 INFO L225 Difference]: With dead ends: 4394 [2022-10-16 15:52:59,531 INFO L226 Difference]: Without dead ends: 4391 [2022-10-16 15:52:59,533 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 15:52:59,535 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 491 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:59,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 810 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:52:59,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-10-16 15:52:59,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 4359. [2022-10-16 15:52:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4359 states, 4321 states have (on average 1.6970608655403843) internal successors, (7333), 4358 states have internal predecessors, (7333), 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 15:52:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 7333 transitions. [2022-10-16 15:52:59,970 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 7333 transitions. Word has length 119 [2022-10-16 15:52:59,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:59,971 INFO L495 AbstractCegarLoop]: Abstraction has 4359 states and 7333 transitions. [2022-10-16 15:52:59,971 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 15:52:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 7333 transitions. [2022-10-16 15:52:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:52:59,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:59,975 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 15:52:59,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:52:59,975 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:52:59,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2114833837, now seen corresponding path program 1 times [2022-10-16 15:52:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:59,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004576997] [2022-10-16 15:52:59,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:59,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:00,183 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 15:53:00,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:00,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004576997] [2022-10-16 15:53:00,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004576997] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:00,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:00,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:00,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578142558] [2022-10-16 15:53:00,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:00,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:00,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:00,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:00,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:00,186 INFO L87 Difference]: Start difference. First operand 4359 states and 7333 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 15:53:00,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:00,676 INFO L93 Difference]: Finished difference Result 4394 states and 7333 transitions. [2022-10-16 15:53:00,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:00,677 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 15:53:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:00,702 INFO L225 Difference]: With dead ends: 4394 [2022-10-16 15:53:00,702 INFO L226 Difference]: Without dead ends: 4391 [2022-10-16 15:53:00,704 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 15:53:00,706 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 487 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:00,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 813 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:53:00,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2022-10-16 15:53:01,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 4359. [2022-10-16 15:53:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4359 states, 4321 states have (on average 1.6878037491321454) internal successors, (7293), 4358 states have internal predecessors, (7293), 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 15:53:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 7293 transitions. [2022-10-16 15:53:01,110 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 7293 transitions. Word has length 120 [2022-10-16 15:53:01,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:01,111 INFO L495 AbstractCegarLoop]: Abstraction has 4359 states and 7293 transitions. [2022-10-16 15:53:01,111 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 15:53:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 7293 transitions. [2022-10-16 15:53:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:53:01,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:01,115 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] [2022-10-16 15:53:01,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:53:01,116 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:01,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:01,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1135339960, now seen corresponding path program 1 times [2022-10-16 15:53:01,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:01,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758565400] [2022-10-16 15:53:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:01,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:01,381 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 15:53:01,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:01,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758565400] [2022-10-16 15:53:01,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758565400] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:01,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:01,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:01,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739406211] [2022-10-16 15:53:01,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:01,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:01,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:01,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:01,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:01,384 INFO L87 Difference]: Start difference. First operand 4359 states and 7293 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 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 15:53:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:02,005 INFO L93 Difference]: Finished difference Result 5592 states and 9313 transitions. [2022-10-16 15:53:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:02,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 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 121 [2022-10-16 15:53:02,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:02,038 INFO L225 Difference]: With dead ends: 5592 [2022-10-16 15:53:02,038 INFO L226 Difference]: Without dead ends: 5589 [2022-10-16 15:53:02,040 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 15:53:02,041 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 482 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:02,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 802 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:53:02,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2022-10-16 15:53:02,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 5563. [2022-10-16 15:53:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5563 states, 5525 states have (on average 1.6783710407239818) internal successors, (9273), 5562 states have internal predecessors, (9273), 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 15:53:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5563 states and 9273 transitions. [2022-10-16 15:53:02,690 INFO L78 Accepts]: Start accepts. Automaton has 5563 states and 9273 transitions. Word has length 121 [2022-10-16 15:53:02,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:02,690 INFO L495 AbstractCegarLoop]: Abstraction has 5563 states and 9273 transitions. [2022-10-16 15:53:02,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 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 15:53:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 5563 states and 9273 transitions. [2022-10-16 15:53:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:53:02,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:02,698 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 15:53:02,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:53:02,705 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:02,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:02,707 INFO L85 PathProgramCache]: Analyzing trace with hash 835800847, now seen corresponding path program 1 times [2022-10-16 15:53:02,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:02,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026964712] [2022-10-16 15:53:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:02,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:02,983 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 15:53:02,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:02,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026964712] [2022-10-16 15:53:02,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026964712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:02,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:02,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:02,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974256774] [2022-10-16 15:53:02,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:02,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:02,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:02,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:02,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:02,987 INFO L87 Difference]: Start difference. First operand 5563 states and 9273 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 15:53:03,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:03,649 INFO L93 Difference]: Finished difference Result 5592 states and 9273 transitions. [2022-10-16 15:53:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:03,651 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 15:53:03,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:03,685 INFO L225 Difference]: With dead ends: 5592 [2022-10-16 15:53:03,685 INFO L226 Difference]: Without dead ends: 5589 [2022-10-16 15:53:03,688 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 15:53:03,689 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 478 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:03,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 805 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:53:03,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2022-10-16 15:53:04,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 5563. [2022-10-16 15:53:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5563 states, 5525 states have (on average 1.671131221719457) internal successors, (9233), 5562 states have internal predecessors, (9233), 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 15:53:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5563 states and 9233 transitions. [2022-10-16 15:53:04,418 INFO L78 Accepts]: Start accepts. Automaton has 5563 states and 9233 transitions. Word has length 122 [2022-10-16 15:53:04,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:04,418 INFO L495 AbstractCegarLoop]: Abstraction has 5563 states and 9233 transitions. [2022-10-16 15:53:04,419 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 15:53:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5563 states and 9233 transitions. [2022-10-16 15:53:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:53:04,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:04,424 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 15:53:04,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:53:04,424 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:04,425 INFO L85 PathProgramCache]: Analyzing trace with hash -161272595, now seen corresponding path program 1 times [2022-10-16 15:53:04,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:04,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69351136] [2022-10-16 15:53:04,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:04,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:04,633 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 15:53:04,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:04,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69351136] [2022-10-16 15:53:04,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69351136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:04,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:04,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:04,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460281749] [2022-10-16 15:53:04,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:04,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:04,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:04,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:04,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:04,636 INFO L87 Difference]: Start difference. First operand 5563 states and 9233 transitions. Second operand has 3 states, 3 states have (on average 41.0) 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 15:53:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:05,576 INFO L93 Difference]: Finished difference Result 11160 states and 18515 transitions. [2022-10-16 15:53:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:05,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 15:53:05,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:05,602 INFO L225 Difference]: With dead ends: 11160 [2022-10-16 15:53:05,602 INFO L226 Difference]: Without dead ends: 8087 [2022-10-16 15:53:05,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:05,611 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 276 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:05,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1398 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:05,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8087 states. [2022-10-16 15:53:06,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8087 to 8049. [2022-10-16 15:53:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8049 states, 8011 states have (on average 1.6723255523654974) internal successors, (13397), 8048 states have internal predecessors, (13397), 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 15:53:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8049 states to 8049 states and 13397 transitions. [2022-10-16 15:53:06,425 INFO L78 Accepts]: Start accepts. Automaton has 8049 states and 13397 transitions. Word has length 123 [2022-10-16 15:53:06,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:06,426 INFO L495 AbstractCegarLoop]: Abstraction has 8049 states and 13397 transitions. [2022-10-16 15:53:06,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 15:53:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 8049 states and 13397 transitions. [2022-10-16 15:53:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:53:06,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:06,429 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 15:53:06,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:53:06,429 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:06,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:06,430 INFO L85 PathProgramCache]: Analyzing trace with hash 140022938, now seen corresponding path program 1 times [2022-10-16 15:53:06,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:06,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817801938] [2022-10-16 15:53:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:06,667 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 15:53:06,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:06,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817801938] [2022-10-16 15:53:06,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817801938] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:06,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:06,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:06,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107175366] [2022-10-16 15:53:06,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:06,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:06,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:06,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:06,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:06,670 INFO L87 Difference]: Start difference. First operand 8049 states and 13397 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 15:53:08,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:08,132 INFO L93 Difference]: Finished difference Result 12606 states and 20745 transitions. [2022-10-16 15:53:08,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:08,132 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 15:53:08,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:08,169 INFO L225 Difference]: With dead ends: 12606 [2022-10-16 15:53:08,169 INFO L226 Difference]: Without dead ends: 12603 [2022-10-16 15:53:08,174 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 15:53:08,176 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 485 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:08,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 748 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:53:08,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12603 states. [2022-10-16 15:53:09,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12603 to 12599. [2022-10-16 15:53:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12599 states, 12563 states have (on average 1.63997452837698) internal successors, (20603), 12598 states have internal predecessors, (20603), 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 15:53:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12599 states to 12599 states and 20603 transitions. [2022-10-16 15:53:09,571 INFO L78 Accepts]: Start accepts. Automaton has 12599 states and 20603 transitions. Word has length 123 [2022-10-16 15:53:09,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:09,572 INFO L495 AbstractCegarLoop]: Abstraction has 12599 states and 20603 transitions. [2022-10-16 15:53:09,572 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 15:53:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 12599 states and 20603 transitions. [2022-10-16 15:53:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:53:09,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:09,577 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 15:53:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:53:09,578 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:09,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:09,579 INFO L85 PathProgramCache]: Analyzing trace with hash -581577779, now seen corresponding path program 1 times [2022-10-16 15:53:09,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:09,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503715593] [2022-10-16 15:53:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:09,714 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 15:53:09,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:09,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503715593] [2022-10-16 15:53:09,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503715593] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:09,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:09,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:09,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945466432] [2022-10-16 15:53:09,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:09,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:09,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:09,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:09,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:09,717 INFO L87 Difference]: Start difference. First operand 12599 states and 20603 transitions. Second operand has 3 states, 3 states have (on average 41.0) 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 15:53:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:11,749 INFO L93 Difference]: Finished difference Result 25355 states and 41705 transitions. [2022-10-16 15:53:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:11,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 15:53:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:11,814 INFO L225 Difference]: With dead ends: 25355 [2022-10-16 15:53:11,814 INFO L226 Difference]: Without dead ends: 18179 [2022-10-16 15:53:11,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:11,832 INFO L413 NwaCegarLoop]: 833 mSDtfsCounter, 280 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:11,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1408 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:11,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18179 states. [2022-10-16 15:53:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18179 to 18143. [2022-10-16 15:53:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18143 states, 18107 states have (on average 1.6446678080300436) internal successors, (29780), 18142 states have internal predecessors, (29780), 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 15:53:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18143 states to 18143 states and 29780 transitions. [2022-10-16 15:53:13,380 INFO L78 Accepts]: Start accepts. Automaton has 18143 states and 29780 transitions. Word has length 123 [2022-10-16 15:53:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:13,381 INFO L495 AbstractCegarLoop]: Abstraction has 18143 states and 29780 transitions. [2022-10-16 15:53:13,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 15:53:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 18143 states and 29780 transitions. [2022-10-16 15:53:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 15:53:13,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:13,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:13,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:53:13,385 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:13,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:13,385 INFO L85 PathProgramCache]: Analyzing trace with hash 45744241, now seen corresponding path program 1 times [2022-10-16 15:53:13,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:13,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253341060] [2022-10-16 15:53:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:13,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:13,656 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 15:53:13,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:13,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253341060] [2022-10-16 15:53:13,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253341060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:13,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:13,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587513794] [2022-10-16 15:53:13,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:13,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:13,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:13,661 INFO L87 Difference]: Start difference. First operand 18143 states and 29780 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:16,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:16,435 INFO L93 Difference]: Finished difference Result 29501 states and 48606 transitions. [2022-10-16 15:53:16,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:16,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 15:53:16,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:16,538 INFO L225 Difference]: With dead ends: 29501 [2022-10-16 15:53:16,539 INFO L226 Difference]: Without dead ends: 29498 [2022-10-16 15:53:16,555 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 15:53:16,556 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 481 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:16,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 793 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:53:16,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29498 states. [2022-10-16 15:53:19,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29498 to 29466. [2022-10-16 15:53:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29466 states, 29430 states have (on average 1.6413863404689093) internal successors, (48306), 29465 states have internal predecessors, (48306), 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 15:53:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29466 states to 29466 states and 48306 transitions. [2022-10-16 15:53:19,406 INFO L78 Accepts]: Start accepts. Automaton has 29466 states and 48306 transitions. Word has length 124 [2022-10-16 15:53:19,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:19,407 INFO L495 AbstractCegarLoop]: Abstraction has 29466 states and 48306 transitions. [2022-10-16 15:53:19,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29466 states and 48306 transitions. [2022-10-16 15:53:19,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:53:19,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:19,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:19,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:53:19,410 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:19,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:19,411 INFO L85 PathProgramCache]: Analyzing trace with hash 911896367, now seen corresponding path program 1 times [2022-10-16 15:53:19,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:19,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316888470] [2022-10-16 15:53:19,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:19,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:19,523 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 15:53:19,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:19,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316888470] [2022-10-16 15:53:19,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316888470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:19,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:19,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:19,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244779031] [2022-10-16 15:53:19,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:19,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:19,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:19,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:19,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:19,527 INFO L87 Difference]: Start difference. First operand 29466 states and 48306 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:22,927 INFO L93 Difference]: Finished difference Result 62241 states and 102223 transitions. [2022-10-16 15:53:22,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:22,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 15:53:22,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:23,065 INFO L225 Difference]: With dead ends: 62241 [2022-10-16 15:53:23,066 INFO L226 Difference]: Without dead ends: 43368 [2022-10-16 15:53:23,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:23,115 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 268 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:23,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1387 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:23,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43368 states. [2022-10-16 15:53:26,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43368 to 43332. [2022-10-16 15:53:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43332 states, 43296 states have (on average 1.6402439024390243) internal successors, (71016), 43331 states have internal predecessors, (71016), 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 15:53:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43332 states to 43332 states and 71016 transitions. [2022-10-16 15:53:27,012 INFO L78 Accepts]: Start accepts. Automaton has 43332 states and 71016 transitions. Word has length 125 [2022-10-16 15:53:27,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:27,012 INFO L495 AbstractCegarLoop]: Abstraction has 43332 states and 71016 transitions. [2022-10-16 15:53:27,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 43332 states and 71016 transitions. [2022-10-16 15:53:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:53:27,014 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:27,014 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] [2022-10-16 15:53:27,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:53:27,015 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:27,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:27,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1010557427, now seen corresponding path program 1 times [2022-10-16 15:53:27,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:27,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480122840] [2022-10-16 15:53:27,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:27,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:27,376 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 15:53:27,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:27,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480122840] [2022-10-16 15:53:27,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480122840] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:27,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:27,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:27,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487663086] [2022-10-16 15:53:27,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:27,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:27,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:27,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:27,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:27,379 INFO L87 Difference]: Start difference. First operand 43332 states and 71016 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 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 15:53:32,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:32,628 INFO L93 Difference]: Finished difference Result 66370 states and 107921 transitions. [2022-10-16 15:53:32,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:32,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 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 126 [2022-10-16 15:53:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:32,797 INFO L225 Difference]: With dead ends: 66370 [2022-10-16 15:53:32,797 INFO L226 Difference]: Without dead ends: 66369 [2022-10-16 15:53:32,826 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 15:53:32,827 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 484 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:32,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 738 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:53:32,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66369 states. [2022-10-16 15:53:38,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66369 to 66238. [2022-10-16 15:53:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66238 states, 66202 states have (on average 1.6226397994018307) internal successors, (107422), 66237 states have internal predecessors, (107422), 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 15:53:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66238 states to 66238 states and 107422 transitions. [2022-10-16 15:53:39,134 INFO L78 Accepts]: Start accepts. Automaton has 66238 states and 107422 transitions. Word has length 126 [2022-10-16 15:53:39,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:39,134 INFO L495 AbstractCegarLoop]: Abstraction has 66238 states and 107422 transitions. [2022-10-16 15:53:39,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 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 15:53:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 66238 states and 107422 transitions. [2022-10-16 15:53:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:53:39,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:39,137 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] [2022-10-16 15:53:39,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:53:39,137 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:39,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:39,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1074044559, now seen corresponding path program 1 times [2022-10-16 15:53:39,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:39,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527354955] [2022-10-16 15:53:39,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:39,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:39,242 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 15:53:39,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:39,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527354955] [2022-10-16 15:53:39,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527354955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:39,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:39,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:39,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386016135] [2022-10-16 15:53:39,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:39,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:39,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:39,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:39,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:39,244 INFO L87 Difference]: Start difference. First operand 66238 states and 107422 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 15:53:47,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:47,442 INFO L93 Difference]: Finished difference Result 133453 states and 216729 transitions. [2022-10-16 15:53:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:47,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 127 [2022-10-16 15:53:47,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:47,717 INFO L225 Difference]: With dead ends: 133453 [2022-10-16 15:53:47,717 INFO L226 Difference]: Without dead ends: 93808 [2022-10-16 15:53:47,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:47,819 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 262 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:47,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1361 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:48,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93808 states. [2022-10-16 15:53:56,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93808 to 93772. [2022-10-16 15:53:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93772 states, 93736 states have (on average 1.6189190919177263) internal successors, (151751), 93771 states have internal predecessors, (151751), 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 15:53:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93772 states to 93772 states and 151751 transitions. [2022-10-16 15:53:57,019 INFO L78 Accepts]: Start accepts. Automaton has 93772 states and 151751 transitions. Word has length 127 [2022-10-16 15:53:57,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:57,019 INFO L495 AbstractCegarLoop]: Abstraction has 93772 states and 151751 transitions. [2022-10-16 15:53:57,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 15:53:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 93772 states and 151751 transitions. [2022-10-16 15:53:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:53:57,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:57,021 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] [2022-10-16 15:53:57,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:53:57,022 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:53:57,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:57,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1262509631, now seen corresponding path program 1 times [2022-10-16 15:53:57,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:57,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115062149] [2022-10-16 15:53:57,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:57,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:57,191 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 15:53:57,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:57,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115062149] [2022-10-16 15:53:57,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115062149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:57,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:57,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:57,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302794325] [2022-10-16 15:53:57,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:57,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:57,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:57,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:57,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:57,194 INFO L87 Difference]: Start difference. First operand 93772 states and 151751 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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 15:54:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:12,367 INFO L93 Difference]: Finished difference Result 163226 states and 264851 transitions. [2022-10-16 15:54:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:54:12,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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 127 [2022-10-16 15:54:12,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:12,924 INFO L225 Difference]: With dead ends: 163226 [2022-10-16 15:54:12,925 INFO L226 Difference]: Without dead ends: 163225 [2022-10-16 15:54:12,987 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 15:54:12,988 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 482 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:12,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 770 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:54:13,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163225 states. [2022-10-16 15:54:28,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163225 to 162994. [2022-10-16 15:54:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162994 states, 162958 states have (on average 1.6188220277617547) internal successors, (263800), 162993 states have internal predecessors, (263800), 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 15:54:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162994 states to 162994 states and 263800 transitions. [2022-10-16 15:54:29,357 INFO L78 Accepts]: Start accepts. Automaton has 162994 states and 263800 transitions. Word has length 127 [2022-10-16 15:54:29,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:54:29,357 INFO L495 AbstractCegarLoop]: Abstraction has 162994 states and 263800 transitions. [2022-10-16 15:54:29,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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 15:54:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 162994 states and 263800 transitions. [2022-10-16 15:54:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:54:29,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:54:29,360 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] [2022-10-16 15:54:29,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:54:29,360 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:54:29,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:54:29,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2090992929, now seen corresponding path program 1 times [2022-10-16 15:54:29,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:54:29,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649612660] [2022-10-16 15:54:29,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:54:29,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:54:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:54:29,501 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 15:54:29,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:54:29,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649612660] [2022-10-16 15:54:29,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649612660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:54:29,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:54:29,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:54:29,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589825054] [2022-10-16 15:54:29,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:54:29,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:54:29,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:54:29,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:54:29,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:54:29,504 INFO L87 Difference]: Start difference. First operand 162994 states and 263800 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 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 15:55:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:01,269 INFO L93 Difference]: Finished difference Result 465825 states and 756472 transitions. [2022-10-16 15:55:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:55:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 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 129 [2022-10-16 15:55:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:02,197 INFO L225 Difference]: With dead ends: 465825 [2022-10-16 15:55:02,197 INFO L226 Difference]: Without dead ends: 303075 [2022-10-16 15:55:02,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:55:02,481 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 874 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 1625 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:02,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 1625 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:55:03,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303075 states. [2022-10-16 15:55:31,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303075 to 263950. [2022-10-16 15:55:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263950 states, 263914 states have (on average 1.6163863985995437) internal successors, (426587), 263949 states have internal predecessors, (426587), 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 15:55:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263950 states to 263950 states and 426587 transitions. [2022-10-16 15:55:33,175 INFO L78 Accepts]: Start accepts. Automaton has 263950 states and 426587 transitions. Word has length 129 [2022-10-16 15:55:33,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:33,177 INFO L495 AbstractCegarLoop]: Abstraction has 263950 states and 426587 transitions. [2022-10-16 15:55:33,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 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 15:55:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 263950 states and 426587 transitions. [2022-10-16 15:55:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:55:33,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:33,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:33,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:55:33,179 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:55:33,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:33,180 INFO L85 PathProgramCache]: Analyzing trace with hash 396271832, now seen corresponding path program 1 times [2022-10-16 15:55:33,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:33,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181769000] [2022-10-16 15:55:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:33,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:33,322 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 15:55:33,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:33,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181769000] [2022-10-16 15:55:33,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181769000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:33,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:33,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:33,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676950069] [2022-10-16 15:55:33,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:33,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:55:33,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:33,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:55:33,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:55:33,325 INFO L87 Difference]: Start difference. First operand 263950 states and 426587 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)