/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.5.4.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:09:04,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:09:04,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:09:04,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:09:04,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:09:04,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:09:04,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:09:04,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:09:04,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:09:04,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:09:04,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:09:04,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:09:04,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:09:04,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:09:04,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:09:04,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:09:04,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:09:04,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:09:04,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:09:04,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:09:04,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:09:04,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:09:04,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:09:04,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:09:04,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:09:04,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:09:04,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:09:04,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:09:04,937 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 [2022-10-15 22:09:04,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:09:04,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:09:04,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:09:04,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:09:04,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:09:04,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:09:04,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:09:04,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:09:04,974 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:09:04,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:09:04,974 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:09:04,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:09:04,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:09:04,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:09:04,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:09:04,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:09:04,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:09:04,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:09:04,976 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:09:04,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:09:04,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:09:04,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:09:04,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:09:04,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:09:04,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:09:04,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:09:04,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:04,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:09:04,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:09:04,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:09:04,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:09:04,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:09:04,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:09:04,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:09:05,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:09:05,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:09:05,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:09:05,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:09:05,455 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:09:05,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:09:05,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4aa00ca/4990d13394cd4056b8f73a70da56f403/FLAG6cce1810a [2022-10-15 22:09:06,486 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:09:06,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:09:06,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4aa00ca/4990d13394cd4056b8f73a70da56f403/FLAG6cce1810a [2022-10-15 22:09:06,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4aa00ca/4990d13394cd4056b8f73a70da56f403 [2022-10-15 22:09:06,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:09:06,579 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:09:06,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:06,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:09:06,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:09:06,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:06" (1/1) ... [2022-10-15 22:09:06,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f8e258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:06, skipping insertion in model container [2022-10-15 22:09:06,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:06" (1/1) ... [2022-10-15 22:09:06,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:09:06,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:09:07,660 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.5.4.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[36688,36701] [2022-10-15 22:09:08,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:08,039 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:09:08,514 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.5.4.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[36688,36701] [2022-10-15 22:09:08,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:08,873 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:09:08,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08 WrapperNode [2022-10-15 22:09:08,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:08,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:08,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:09:08,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:09:08,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:08,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,172 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5215 [2022-10-15 22:09:09,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:09,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:09:09,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:09:09,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:09:09,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:09:09,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:09:09,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:09:09,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:09:09,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (1/1) ... [2022-10-15 22:09:09,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:09,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:09:09,471 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) [2022-10-15 22:09:09,492 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 [2022-10-15 22:09:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:09:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:09:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:09:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:09:09,839 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:09:09,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:09:13,741 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:09:13,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:09:13,768 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:09:13,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:09:13 BoogieIcfgContainer [2022-10-15 22:09:13,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:09:13,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:09:13,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:09:13,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:09:13,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:09:06" (1/3) ... [2022-10-15 22:09:13,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccf7907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:09:13, skipping insertion in model container [2022-10-15 22:09:13,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:08" (2/3) ... [2022-10-15 22:09:13,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccf7907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:09:13, skipping insertion in model container [2022-10-15 22:09:13,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:09:13" (3/3) ... [2022-10-15 22:09:13,784 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:09:13,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:09:13,808 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 210 error locations. [2022-10-15 22:09:13,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:09:13,917 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;@4ef4aac1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:09:13,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 210 error locations. [2022-10-15 22:09:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 1852 states, 1641 states have (on average 1.813528336380256) internal successors, (2976), 1851 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-10-15 22:09:13,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:13,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:13,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:13,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:13,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1320102311, now seen corresponding path program 1 times [2022-10-15 22:09:13,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:14,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595890128] [2022-10-15 22:09:14,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:14,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:14,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:14,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595890128] [2022-10-15 22:09:14,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595890128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:14,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:14,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:14,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952322421] [2022-10-15 22:09:14,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:14,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:14,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:15,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:15,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:15,018 INFO L87 Difference]: Start difference. First operand has 1852 states, 1641 states have (on average 1.813528336380256) internal successors, (2976), 1851 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:15,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:15,443 INFO L93 Difference]: Finished difference Result 4020 states and 6185 transitions. [2022-10-15 22:09:15,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:15,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-10-15 22:09:15,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:15,483 INFO L225 Difference]: With dead ends: 4020 [2022-10-15 22:09:15,483 INFO L226 Difference]: Without dead ends: 2729 [2022-10-15 22:09:15,493 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 [2022-10-15 22:09:15,498 INFO L413 NwaCegarLoop]: 4262 mSDtfsCounter, 1487 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 7009 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:15,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 7009 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:09:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2022-10-15 22:09:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2573. [2022-10-15 22:09:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2365 states have (on average 1.723044397463002) internal successors, (4075), 2572 states have internal predecessors, (4075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4075 transitions. [2022-10-15 22:09:15,729 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4075 transitions. Word has length 186 [2022-10-15 22:09:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:15,731 INFO L495 AbstractCegarLoop]: Abstraction has 2573 states and 4075 transitions. [2022-10-15 22:09:15,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4075 transitions. [2022-10-15 22:09:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-15 22:09:15,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:15,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:15,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:09:15,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:15,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:15,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1867660762, now seen corresponding path program 1 times [2022-10-15 22:09:15,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:15,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889029827] [2022-10-15 22:09:15,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:15,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:16,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:16,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:16,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889029827] [2022-10-15 22:09:16,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889029827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:16,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:16,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:16,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945918189] [2022-10-15 22:09:16,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:16,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:16,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:16,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:16,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:16,109 INFO L87 Difference]: Start difference. First operand 2573 states and 4075 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:16,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:16,549 INFO L93 Difference]: Finished difference Result 6000 states and 9336 transitions. [2022-10-15 22:09:16,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:16,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 193 [2022-10-15 22:09:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:16,578 INFO L225 Difference]: With dead ends: 6000 [2022-10-15 22:09:16,579 INFO L226 Difference]: Without dead ends: 4017 [2022-10-15 22:09:16,589 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 [2022-10-15 22:09:16,592 INFO L413 NwaCegarLoop]: 3993 mSDtfsCounter, 1399 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 6555 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:16,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 6555 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2022-10-15 22:09:16,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3863. [2022-10-15 22:09:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 3657 states have (on average 1.7197156138911676) internal successors, (6289), 3862 states have internal predecessors, (6289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 6289 transitions. [2022-10-15 22:09:16,903 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 6289 transitions. Word has length 193 [2022-10-15 22:09:16,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:16,906 INFO L495 AbstractCegarLoop]: Abstraction has 3863 states and 6289 transitions. [2022-10-15 22:09:16,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 6289 transitions. [2022-10-15 22:09:16,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-10-15 22:09:16,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:16,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:16,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:09:16,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:16,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:16,917 INFO L85 PathProgramCache]: Analyzing trace with hash 159310353, now seen corresponding path program 1 times [2022-10-15 22:09:16,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:16,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956231705] [2022-10-15 22:09:16,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:17,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:17,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956231705] [2022-10-15 22:09:17,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956231705] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:17,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:17,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:17,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406097034] [2022-10-15 22:09:17,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:17,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:17,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:17,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:17,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:17,207 INFO L87 Difference]: Start difference. First operand 3863 states and 6289 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:17,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:17,762 INFO L93 Difference]: Finished difference Result 9516 states and 15389 transitions. [2022-10-15 22:09:17,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:17,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 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 200 [2022-10-15 22:09:17,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:17,804 INFO L225 Difference]: With dead ends: 9516 [2022-10-15 22:09:17,804 INFO L226 Difference]: Without dead ends: 6266 [2022-10-15 22:09:17,817 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 [2022-10-15 22:09:17,823 INFO L413 NwaCegarLoop]: 3914 mSDtfsCounter, 1370 mSDsluCounter, 2506 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 6420 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:17,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 6420 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6266 states. [2022-10-15 22:09:18,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6266 to 6114. [2022-10-15 22:09:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6114 states, 5910 states have (on average 1.7186125211505923) internal successors, (10157), 6113 states have internal predecessors, (10157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:18,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6114 states to 6114 states and 10157 transitions. [2022-10-15 22:09:18,450 INFO L78 Accepts]: Start accepts. Automaton has 6114 states and 10157 transitions. Word has length 200 [2022-10-15 22:09:18,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:18,451 INFO L495 AbstractCegarLoop]: Abstraction has 6114 states and 10157 transitions. [2022-10-15 22:09:18,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 6114 states and 10157 transitions. [2022-10-15 22:09:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-15 22:09:18,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:18,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:18,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:09:18,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:18,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:18,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1908060370, now seen corresponding path program 1 times [2022-10-15 22:09:18,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:18,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553801876] [2022-10-15 22:09:18,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:18,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:18,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:18,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553801876] [2022-10-15 22:09:18,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553801876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:18,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:18,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:18,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164955245] [2022-10-15 22:09:18,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:18,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:18,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:18,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:18,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:18,758 INFO L87 Difference]: Start difference. First operand 6114 states and 10157 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:19,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:19,764 INFO L93 Difference]: Finished difference Result 15573 states and 25828 transitions. [2022-10-15 22:09:19,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:19,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2022-10-15 22:09:19,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:19,835 INFO L225 Difference]: With dead ends: 15573 [2022-10-15 22:09:19,836 INFO L226 Difference]: Without dead ends: 10095 [2022-10-15 22:09:19,850 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 [2022-10-15 22:09:19,852 INFO L413 NwaCegarLoop]: 3835 mSDtfsCounter, 1341 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 6285 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:19,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 6285 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:09:19,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10095 states. [2022-10-15 22:09:20,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10095 to 9945. [2022-10-15 22:09:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9945 states, 9743 states have (on average 1.7192856409730062) internal successors, (16751), 9944 states have internal predecessors, (16751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9945 states to 9945 states and 16751 transitions. [2022-10-15 22:09:20,912 INFO L78 Accepts]: Start accepts. Automaton has 9945 states and 16751 transitions. Word has length 207 [2022-10-15 22:09:20,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:20,912 INFO L495 AbstractCegarLoop]: Abstraction has 9945 states and 16751 transitions. [2022-10-15 22:09:20,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 9945 states and 16751 transitions. [2022-10-15 22:09:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 22:09:20,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:20,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:20,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:09:20,922 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:20,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash -574208567, now seen corresponding path program 1 times [2022-10-15 22:09:20,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:20,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682909968] [2022-10-15 22:09:20,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:21,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:21,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682909968] [2022-10-15 22:09:21,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682909968] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:21,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:21,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:21,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665543504] [2022-10-15 22:09:21,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:21,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:21,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:21,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:21,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:21,233 INFO L87 Difference]: Start difference. First operand 9945 states and 16751 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:22,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:22,561 INFO L93 Difference]: Finished difference Result 25686 states and 43293 transitions. [2022-10-15 22:09:22,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:22,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214 [2022-10-15 22:09:22,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:22,617 INFO L225 Difference]: With dead ends: 25686 [2022-10-15 22:09:22,618 INFO L226 Difference]: Without dead ends: 16400 [2022-10-15 22:09:22,637 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 [2022-10-15 22:09:22,638 INFO L413 NwaCegarLoop]: 3756 mSDtfsCounter, 1312 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 6151 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:22,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 6151 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16400 states. [2022-10-15 22:09:23,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16400 to 16252. [2022-10-15 22:09:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16252 states, 16052 states have (on average 1.7214677298778969) internal successors, (27633), 16251 states have internal predecessors, (27633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16252 states to 16252 states and 27633 transitions. [2022-10-15 22:09:24,103 INFO L78 Accepts]: Start accepts. Automaton has 16252 states and 27633 transitions. Word has length 214 [2022-10-15 22:09:24,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:24,104 INFO L495 AbstractCegarLoop]: Abstraction has 16252 states and 27633 transitions. [2022-10-15 22:09:24,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 16252 states and 27633 transitions. [2022-10-15 22:09:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-15 22:09:24,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:24,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:24,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:09:24,110 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:24,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:24,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1096207242, now seen corresponding path program 1 times [2022-10-15 22:09:24,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:24,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181103502] [2022-10-15 22:09:24,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:24,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:24,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:24,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181103502] [2022-10-15 22:09:24,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181103502] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:24,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:24,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:24,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941675006] [2022-10-15 22:09:24,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:24,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:24,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:24,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:24,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:24,568 INFO L87 Difference]: Start difference. First operand 16252 states and 27633 transitions. Second operand has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:27,018 INFO L93 Difference]: Finished difference Result 23227 states and 39833 transitions. [2022-10-15 22:09:27,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:27,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 221 [2022-10-15 22:09:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:27,115 INFO L225 Difference]: With dead ends: 23227 [2022-10-15 22:09:27,115 INFO L226 Difference]: Without dead ends: 23218 [2022-10-15 22:09:27,129 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 [2022-10-15 22:09:27,132 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2491 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2491 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:27,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2491 Valid, 3151 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:27,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23218 states. [2022-10-15 22:09:28,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23218 to 23154. [2022-10-15 22:09:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23154 states, 22960 states have (on average 1.7250435540069686) internal successors, (39607), 23153 states have internal predecessors, (39607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23154 states to 23154 states and 39607 transitions. [2022-10-15 22:09:29,103 INFO L78 Accepts]: Start accepts. Automaton has 23154 states and 39607 transitions. Word has length 221 [2022-10-15 22:09:29,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:29,104 INFO L495 AbstractCegarLoop]: Abstraction has 23154 states and 39607 transitions. [2022-10-15 22:09:29,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand 23154 states and 39607 transitions. [2022-10-15 22:09:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-15 22:09:29,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:29,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:29,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:09:29,109 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:29,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash -377313138, now seen corresponding path program 1 times [2022-10-15 22:09:29,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:29,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921708059] [2022-10-15 22:09:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:29,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:29,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:29,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921708059] [2022-10-15 22:09:29,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921708059] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:29,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:29,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:29,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738797052] [2022-10-15 22:09:29,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:29,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:29,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:29,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:29,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:29,533 INFO L87 Difference]: Start difference. First operand 23154 states and 39607 transitions. Second operand has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:31,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:31,814 INFO L93 Difference]: Finished difference Result 23221 states and 39607 transitions. [2022-10-15 22:09:31,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:31,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2022-10-15 22:09:31,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:31,878 INFO L225 Difference]: With dead ends: 23221 [2022-10-15 22:09:31,879 INFO L226 Difference]: Without dead ends: 23212 [2022-10-15 22:09:31,891 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 [2022-10-15 22:09:31,892 INFO L413 NwaCegarLoop]: 2530 mSDtfsCounter, 2481 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2481 SdHoareTripleChecker+Valid, 3154 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:31,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2481 Valid, 3154 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:31,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23212 states. [2022-10-15 22:09:33,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23212 to 23148. [2022-10-15 22:09:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23148 states, 22960 states have (on average 1.7152003484320557) internal successors, (39381), 23147 states have internal predecessors, (39381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23148 states to 23148 states and 39381 transitions. [2022-10-15 22:09:33,745 INFO L78 Accepts]: Start accepts. Automaton has 23148 states and 39381 transitions. Word has length 222 [2022-10-15 22:09:33,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:33,746 INFO L495 AbstractCegarLoop]: Abstraction has 23148 states and 39381 transitions. [2022-10-15 22:09:33,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:33,747 INFO L276 IsEmpty]: Start isEmpty. Operand 23148 states and 39381 transitions. [2022-10-15 22:09:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 22:09:33,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:33,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:33,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:09:33,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1188195340, now seen corresponding path program 1 times [2022-10-15 22:09:33,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:33,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188010387] [2022-10-15 22:09:33,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:33,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:34,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:34,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188010387] [2022-10-15 22:09:34,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188010387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:34,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:34,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:34,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414646442] [2022-10-15 22:09:34,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:34,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:34,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:34,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:34,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:34,340 INFO L87 Difference]: Start difference. First operand 23148 states and 39381 transitions. Second operand has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:36,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:36,684 INFO L93 Difference]: Finished difference Result 29065 states and 49637 transitions. [2022-10-15 22:09:36,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:36,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2022-10-15 22:09:36,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:36,757 INFO L225 Difference]: With dead ends: 29065 [2022-10-15 22:09:36,757 INFO L226 Difference]: Without dead ends: 29056 [2022-10-15 22:09:36,771 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 [2022-10-15 22:09:36,772 INFO L413 NwaCegarLoop]: 2511 mSDtfsCounter, 2469 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 3127 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:36,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 3127 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29056 states. [2022-10-15 22:09:38,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29056 to 28998. [2022-10-15 22:09:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28998 states, 28816 states have (on average 1.7147071071626874) internal successors, (49411), 28997 states have internal predecessors, (49411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28998 states to 28998 states and 49411 transitions. [2022-10-15 22:09:38,884 INFO L78 Accepts]: Start accepts. Automaton has 28998 states and 49411 transitions. Word has length 223 [2022-10-15 22:09:38,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:38,885 INFO L495 AbstractCegarLoop]: Abstraction has 28998 states and 49411 transitions. [2022-10-15 22:09:38,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 28998 states and 49411 transitions. [2022-10-15 22:09:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-10-15 22:09:38,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:38,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:38,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:09:38,893 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:38,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:38,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1820649392, now seen corresponding path program 1 times [2022-10-15 22:09:38,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:38,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734074767] [2022-10-15 22:09:38,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:38,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:39,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:39,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:39,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734074767] [2022-10-15 22:09:39,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734074767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:39,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:39,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:39,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258889897] [2022-10-15 22:09:39,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:39,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:39,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:39,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:39,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:39,546 INFO L87 Difference]: Start difference. First operand 28998 states and 49411 transitions. Second operand has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:41,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:41,906 INFO L93 Difference]: Finished difference Result 29059 states and 49411 transitions. [2022-10-15 22:09:41,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:41,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2022-10-15 22:09:41,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:41,959 INFO L225 Difference]: With dead ends: 29059 [2022-10-15 22:09:41,959 INFO L226 Difference]: Without dead ends: 29050 [2022-10-15 22:09:41,969 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 [2022-10-15 22:09:41,970 INFO L413 NwaCegarLoop]: 2514 mSDtfsCounter, 2459 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:41,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 3130 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:41,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29050 states. [2022-10-15 22:09:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29050 to 28992. [2022-10-15 22:09:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28992 states, 28816 states have (on average 1.7068642420877291) internal successors, (49185), 28991 states have internal predecessors, (49185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28992 states to 28992 states and 49185 transitions. [2022-10-15 22:09:44,361 INFO L78 Accepts]: Start accepts. Automaton has 28992 states and 49185 transitions. Word has length 224 [2022-10-15 22:09:44,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:44,362 INFO L495 AbstractCegarLoop]: Abstraction has 28992 states and 49185 transitions. [2022-10-15 22:09:44,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 28992 states and 49185 transitions. [2022-10-15 22:09:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-15 22:09:44,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:44,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:44,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:09:44,370 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:44,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:44,371 INFO L85 PathProgramCache]: Analyzing trace with hash -605555570, now seen corresponding path program 1 times [2022-10-15 22:09:44,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:44,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827742948] [2022-10-15 22:09:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:44,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:44,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827742948] [2022-10-15 22:09:44,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827742948] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:44,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:44,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:44,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96477771] [2022-10-15 22:09:44,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:44,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:44,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:44,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:44,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:44,832 INFO L87 Difference]: Start difference. First operand 28992 states and 49185 transitions. Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:47,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:47,654 INFO L93 Difference]: Finished difference Result 34607 states and 58753 transitions. [2022-10-15 22:09:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:47,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-10-15 22:09:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:47,711 INFO L225 Difference]: With dead ends: 34607 [2022-10-15 22:09:47,711 INFO L226 Difference]: Without dead ends: 34598 [2022-10-15 22:09:47,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:47,722 INFO L413 NwaCegarLoop]: 2496 mSDtfsCounter, 2447 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2447 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:47,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2447 Valid, 3104 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:47,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34598 states. [2022-10-15 22:09:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34598 to 34546. [2022-10-15 22:09:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34546 states, 34376 states have (on average 1.7025541075168722) internal successors, (58527), 34545 states have internal predecessors, (58527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34546 states to 34546 states and 58527 transitions. [2022-10-15 22:09:50,699 INFO L78 Accepts]: Start accepts. Automaton has 34546 states and 58527 transitions. Word has length 225 [2022-10-15 22:09:50,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:50,700 INFO L495 AbstractCegarLoop]: Abstraction has 34546 states and 58527 transitions. [2022-10-15 22:09:50,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 34546 states and 58527 transitions. [2022-10-15 22:09:50,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-15 22:09:50,705 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:50,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:50,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:09:50,706 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-15 22:09:50,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1592352750, now seen corresponding path program 1 times [2022-10-15 22:09:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:50,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931963261] [2022-10-15 22:09:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:51,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:51,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931963261] [2022-10-15 22:09:51,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931963261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:51,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:51,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:51,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416208554] [2022-10-15 22:09:51,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:51,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:51,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:51,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:51,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:51,106 INFO L87 Difference]: Start difference. First operand 34546 states and 58527 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:54,372 INFO L93 Difference]: Finished difference Result 34601 states and 58527 transitions. [2022-10-15 22:09:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:54,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2022-10-15 22:09:54,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:54,425 INFO L225 Difference]: With dead ends: 34601 [2022-10-15 22:09:54,426 INFO L226 Difference]: Without dead ends: 34592 [2022-10-15 22:09:54,436 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 [2022-10-15 22:09:54,437 INFO L413 NwaCegarLoop]: 2499 mSDtfsCounter, 2437 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 3107 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:54,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2437 Valid, 3107 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:54,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34592 states.