/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_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:00:23,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:00:23,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:00:23,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:00:23,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:00:23,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:00:23,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:00:23,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:00:23,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:00:23,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:00:23,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:00:23,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:00:23,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:00:23,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:00:23,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:00:23,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:00:23,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:00:23,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:00:23,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:00:23,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:00:23,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:00:23,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:00:23,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:00:23,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:00:23,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:00:23,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:00:23,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:00:23,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:00:23,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:00:24,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:00:24,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:00:24,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:00:24,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:00:24,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:00:24,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:00:24,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:00:24,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:00:24,083 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:00:24,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:00:24,084 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:00:24,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:00:24,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:00:24,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:00:24,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:00:24,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:00:24,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:00:24,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:00:24,085 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:00:24,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:00:24,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:00:24,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:00:24,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:00:24,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:00:24,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:00:24,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:00:24,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:00:24,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:00:24,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:00:24,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:00:24,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:00:24,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:00:24,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:00:24,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:00:24,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:00:24,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:00:24,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:00:24,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:00:24,506 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:00:24,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:00:24,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75068a91a/608ba13f144e4ea6a31b63cd740a6c9a/FLAG5bb4321e8 [2022-10-16 16:00:25,196 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:00:25,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:00:25,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75068a91a/608ba13f144e4ea6a31b63cd740a6c9a/FLAG5bb4321e8 [2022-10-16 16:00:25,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75068a91a/608ba13f144e4ea6a31b63cd740a6c9a [2022-10-16 16:00:25,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:00:25,470 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:00:25,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:00:25,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:00:25,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:00:25,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:25" (1/1) ... [2022-10-16 16:00:25,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d17d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:25, skipping insertion in model container [2022-10-16 16:00:25,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:25" (1/1) ... [2022-10-16 16:00:25,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:00:25,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:00:25,884 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_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4371,4384] [2022-10-16 16:00:25,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:00:25,939 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:00:25,974 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_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4371,4384] [2022-10-16 16:00:25,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:00:26,037 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:00:26,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26 WrapperNode [2022-10-16 16:00:26,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:00:26,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:00:26,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:00:26,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:00:26,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,130 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 348 [2022-10-16 16:00:26,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:00:26,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:00:26,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:00:26,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:00:26,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,196 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:00:26,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:00:26,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:00:26,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:00:26,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (1/1) ... [2022-10-16 16:00:26,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:00:26,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:00:26,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:00:26,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:00:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:00:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:00:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:00:26,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:00:26,436 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:00:26,438 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:00:26,955 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:00:26,968 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:00:26,968 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:00:26,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:26 BoogieIcfgContainer [2022-10-16 16:00:26,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:00:26,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:00:26,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:00:26,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:00:26,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:00:25" (1/3) ... [2022-10-16 16:00:26,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c55c799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:26, skipping insertion in model container [2022-10-16 16:00:26,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:26" (2/3) ... [2022-10-16 16:00:26,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c55c799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:26, skipping insertion in model container [2022-10-16 16:00:26,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:26" (3/3) ... [2022-10-16 16:00:26,983 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:00:27,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:00:27,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 16:00:27,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:00:27,110 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;@1e8673fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:00:27,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 16:00:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.7346938775510203) internal successors, (170), 114 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:00:27,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:27,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:00:27,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:27,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:27,137 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:00:27,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:27,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283282772] [2022-10-16 16:00:27,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:27,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:27,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:27,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283282772] [2022-10-16 16:00:27,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283282772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:27,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:27,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:00:27,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262170681] [2022-10-16 16:00:27,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:27,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:00:27,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:27,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:00:27,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:00:27,488 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.7346938775510203) internal successors, (170), 114 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:27,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:27,538 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2022-10-16 16:00:27,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:00:27,541 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 16:00:27,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:27,553 INFO L225 Difference]: With dead ends: 118 [2022-10-16 16:00:27,553 INFO L226 Difference]: Without dead ends: 108 [2022-10-16 16:00:27,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:00:27,562 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:27,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:27,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-10-16 16:00:27,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-10-16 16:00:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 96 states have (on average 1.5) internal successors, (144), 107 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 144 transitions. [2022-10-16 16:00:27,616 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 144 transitions. Word has length 4 [2022-10-16 16:00:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:27,616 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 144 transitions. [2022-10-16 16:00:27,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2022-10-16 16:00:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 16:00:27,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:27,618 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] [2022-10-16 16:00:27,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:00:27,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:27,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1470999139, now seen corresponding path program 1 times [2022-10-16 16:00:27,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:27,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89062197] [2022-10-16 16:00:27,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:27,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:27,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:27,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89062197] [2022-10-16 16:00:27,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89062197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:27,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:27,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:27,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287506484] [2022-10-16 16:00:27,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:27,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:27,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:27,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:27,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:27,888 INFO L87 Difference]: Start difference. First operand 108 states and 144 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:27,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:27,956 INFO L93 Difference]: Finished difference Result 256 states and 354 transitions. [2022-10-16 16:00:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:27,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-10-16 16:00:27,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:27,965 INFO L225 Difference]: With dead ends: 256 [2022-10-16 16:00:27,965 INFO L226 Difference]: Without dead ends: 172 [2022-10-16 16:00:27,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:27,968 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 104 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:27,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 339 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:27,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-10-16 16:00:28,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2022-10-16 16:00:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 150 states have (on average 1.5533333333333332) internal successors, (233), 161 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 233 transitions. [2022-10-16 16:00:28,025 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 233 transitions. Word has length 27 [2022-10-16 16:00:28,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:28,026 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 233 transitions. [2022-10-16 16:00:28,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 233 transitions. [2022-10-16 16:00:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:00:28,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:28,032 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] [2022-10-16 16:00:28,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:00:28,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:28,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:28,034 INFO L85 PathProgramCache]: Analyzing trace with hash -553983376, now seen corresponding path program 1 times [2022-10-16 16:00:28,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:28,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889600822] [2022-10-16 16:00:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:28,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:28,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:28,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889600822] [2022-10-16 16:00:28,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889600822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:28,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:28,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:28,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082272939] [2022-10-16 16:00:28,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:28,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:28,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:28,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:28,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:28,202 INFO L87 Difference]: Start difference. First operand 162 states and 233 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:28,261 INFO L93 Difference]: Finished difference Result 406 states and 599 transitions. [2022-10-16 16:00:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:28,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-16 16:00:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:28,265 INFO L225 Difference]: With dead ends: 406 [2022-10-16 16:00:28,265 INFO L226 Difference]: Without dead ends: 268 [2022-10-16 16:00:28,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:28,268 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 103 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:28,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:28,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-10-16 16:00:28,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 256. [2022-10-16 16:00:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 244 states have (on average 1.5901639344262295) internal successors, (388), 255 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 388 transitions. [2022-10-16 16:00:28,336 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 388 transitions. Word has length 39 [2022-10-16 16:00:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:28,337 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 388 transitions. [2022-10-16 16:00:28,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 388 transitions. [2022-10-16 16:00:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:00:28,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:28,342 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] [2022-10-16 16:00:28,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:00:28,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:28,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:28,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1335485245, now seen corresponding path program 1 times [2022-10-16 16:00:28,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:28,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460525184] [2022-10-16 16:00:28,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:28,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:28,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:28,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460525184] [2022-10-16 16:00:28,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460525184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:28,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:28,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:28,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265261049] [2022-10-16 16:00:28,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:28,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:28,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:28,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:28,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:28,457 INFO L87 Difference]: Start difference. First operand 256 states and 388 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:28,522 INFO L93 Difference]: Finished difference Result 656 states and 1012 transitions. [2022-10-16 16:00:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:28,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-16 16:00:28,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:28,527 INFO L225 Difference]: With dead ends: 656 [2022-10-16 16:00:28,527 INFO L226 Difference]: Without dead ends: 424 [2022-10-16 16:00:28,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:28,530 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 98 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:28,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 313 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:28,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2022-10-16 16:00:28,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 412. [2022-10-16 16:00:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 400 states have (on average 1.61) internal successors, (644), 411 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 644 transitions. [2022-10-16 16:00:28,601 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 644 transitions. Word has length 40 [2022-10-16 16:00:28,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:28,601 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 644 transitions. [2022-10-16 16:00:28,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 644 transitions. [2022-10-16 16:00:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 16:00:28,603 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:28,603 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] [2022-10-16 16:00:28,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:00:28,604 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:28,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:28,605 INFO L85 PathProgramCache]: Analyzing trace with hash -774358515, now seen corresponding path program 1 times [2022-10-16 16:00:28,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:28,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839554354] [2022-10-16 16:00:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:28,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:28,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:28,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839554354] [2022-10-16 16:00:28,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839554354] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:28,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:28,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:28,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329636926] [2022-10-16 16:00:28,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:28,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:28,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:28,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:28,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:28,696 INFO L87 Difference]: Start difference. First operand 412 states and 644 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:28,945 INFO L93 Difference]: Finished difference Result 1186 states and 1884 transitions. [2022-10-16 16:00:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:28,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 16:00:28,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:28,957 INFO L225 Difference]: With dead ends: 1186 [2022-10-16 16:00:28,957 INFO L226 Difference]: Without dead ends: 1184 [2022-10-16 16:00:28,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:28,965 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 347 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:28,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 366 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:28,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2022-10-16 16:00:29,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 788. [2022-10-16 16:00:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 776 states have (on average 1.6082474226804124) internal successors, (1248), 787 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1248 transitions. [2022-10-16 16:00:29,069 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1248 transitions. Word has length 41 [2022-10-16 16:00:29,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:29,071 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1248 transitions. [2022-10-16 16:00:29,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1248 transitions. [2022-10-16 16:00:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 16:00:29,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:29,079 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] [2022-10-16 16:00:29,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:00:29,080 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:29,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:29,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1764689965, now seen corresponding path program 1 times [2022-10-16 16:00:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:29,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7648839] [2022-10-16 16:00:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:29,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:29,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:29,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7648839] [2022-10-16 16:00:29,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7648839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:29,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:29,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:29,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308641617] [2022-10-16 16:00:29,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:29,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:29,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:29,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:29,235 INFO L87 Difference]: Start difference. First operand 788 states and 1248 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:29,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:29,451 INFO L93 Difference]: Finished difference Result 1174 states and 1868 transitions. [2022-10-16 16:00:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:29,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-10-16 16:00:29,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:29,459 INFO L225 Difference]: With dead ends: 1174 [2022-10-16 16:00:29,459 INFO L226 Difference]: Without dead ends: 1172 [2022-10-16 16:00:29,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:29,467 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 346 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:29,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 239 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-10-16 16:00:29,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1164. [2022-10-16 16:00:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1152 states have (on average 1.59375) internal successors, (1836), 1163 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1836 transitions. [2022-10-16 16:00:29,594 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1836 transitions. Word has length 42 [2022-10-16 16:00:29,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:29,594 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 1836 transitions. [2022-10-16 16:00:29,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:29,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1836 transitions. [2022-10-16 16:00:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 16:00:29,596 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:29,596 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] [2022-10-16 16:00:29,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:00:29,597 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:29,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1129185777, now seen corresponding path program 1 times [2022-10-16 16:00:29,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:29,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932758045] [2022-10-16 16:00:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:29,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:29,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:29,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932758045] [2022-10-16 16:00:29,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932758045] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:29,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:29,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:29,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614945674] [2022-10-16 16:00:29,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:29,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:29,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:29,694 INFO L87 Difference]: Start difference. First operand 1164 states and 1836 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:30,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:30,017 INFO L93 Difference]: Finished difference Result 3078 states and 4840 transitions. [2022-10-16 16:00:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:00:30,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-10-16 16:00:30,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:30,028 INFO L225 Difference]: With dead ends: 3078 [2022-10-16 16:00:30,029 INFO L226 Difference]: Without dead ends: 1938 [2022-10-16 16:00:30,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:00:30,032 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 647 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:30,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 534 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:30,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-10-16 16:00:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1540. [2022-10-16 16:00:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1528 states have (on average 1.5654450261780104) internal successors, (2392), 1539 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2392 transitions. [2022-10-16 16:00:30,209 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2392 transitions. Word has length 43 [2022-10-16 16:00:30,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:30,210 INFO L495 AbstractCegarLoop]: Abstraction has 1540 states and 2392 transitions. [2022-10-16 16:00:30,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2392 transitions. [2022-10-16 16:00:30,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 16:00:30,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:30,211 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] [2022-10-16 16:00:30,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:00:30,212 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:30,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:30,213 INFO L85 PathProgramCache]: Analyzing trace with hash -645020561, now seen corresponding path program 1 times [2022-10-16 16:00:30,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:30,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394624614] [2022-10-16 16:00:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:30,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:30,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:30,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394624614] [2022-10-16 16:00:30,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394624614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:30,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:30,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:30,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843334906] [2022-10-16 16:00:30,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:30,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:30,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:30,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:30,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:30,340 INFO L87 Difference]: Start difference. First operand 1540 states and 2392 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:30,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:30,687 INFO L93 Difference]: Finished difference Result 2314 states and 3616 transitions. [2022-10-16 16:00:30,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:00:30,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-10-16 16:00:30,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:30,700 INFO L225 Difference]: With dead ends: 2314 [2022-10-16 16:00:30,700 INFO L226 Difference]: Without dead ends: 2312 [2022-10-16 16:00:30,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:00:30,702 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 789 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:30,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 438 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2022-10-16 16:00:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2292. [2022-10-16 16:00:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 2280 states have (on average 1.5578947368421052) internal successors, (3552), 2291 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3552 transitions. [2022-10-16 16:00:30,936 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3552 transitions. Word has length 44 [2022-10-16 16:00:30,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:30,936 INFO L495 AbstractCegarLoop]: Abstraction has 2292 states and 3552 transitions. [2022-10-16 16:00:30,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:30,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3552 transitions. [2022-10-16 16:00:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:00:30,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:30,937 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] [2022-10-16 16:00:30,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:00:30,938 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:30,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:30,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1392542326, now seen corresponding path program 1 times [2022-10-16 16:00:30,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:30,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151993060] [2022-10-16 16:00:30,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:30,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:31,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:31,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151993060] [2022-10-16 16:00:31,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151993060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:31,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:31,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:00:31,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531998333] [2022-10-16 16:00:31,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:31,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:31,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:31,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:31,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:31,015 INFO L87 Difference]: Start difference. First operand 2292 states and 3552 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:31,223 INFO L93 Difference]: Finished difference Result 2349 states and 3628 transitions. [2022-10-16 16:00:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:31,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 16:00:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:31,236 INFO L225 Difference]: With dead ends: 2349 [2022-10-16 16:00:31,237 INFO L226 Difference]: Without dead ends: 2347 [2022-10-16 16:00:31,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:31,239 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 49 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:31,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 275 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2022-10-16 16:00:31,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 2347. [2022-10-16 16:00:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2347 states, 2335 states have (on average 1.5528907922912205) internal successors, (3626), 2346 states have internal predecessors, (3626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 3626 transitions. [2022-10-16 16:00:31,453 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 3626 transitions. Word has length 49 [2022-10-16 16:00:31,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:31,453 INFO L495 AbstractCegarLoop]: Abstraction has 2347 states and 3626 transitions. [2022-10-16 16:00:31,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 3626 transitions. [2022-10-16 16:00:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:00:31,454 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:31,455 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:31,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:00:31,455 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:31,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:31,456 INFO L85 PathProgramCache]: Analyzing trace with hash 29319403, now seen corresponding path program 1 times [2022-10-16 16:00:31,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:31,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631176190] [2022-10-16 16:00:31,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:00:31,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:31,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631176190] [2022-10-16 16:00:31,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631176190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:31,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:31,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:00:31,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575014877] [2022-10-16 16:00:31,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:31,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:31,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:31,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:31,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:31,529 INFO L87 Difference]: Start difference. First operand 2347 states and 3626 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:31,744 INFO L93 Difference]: Finished difference Result 2347 states and 3626 transitions. [2022-10-16 16:00:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:31,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 53 [2022-10-16 16:00:31,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:31,757 INFO L225 Difference]: With dead ends: 2347 [2022-10-16 16:00:31,757 INFO L226 Difference]: Without dead ends: 2346 [2022-10-16 16:00:31,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:31,759 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:31,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 137 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:31,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2022-10-16 16:00:32,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2346. [2022-10-16 16:00:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 2335 states have (on average 1.5426124197002142) internal successors, (3602), 2345 states have internal predecessors, (3602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3602 transitions. [2022-10-16 16:00:32,025 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3602 transitions. Word has length 53 [2022-10-16 16:00:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:32,025 INFO L495 AbstractCegarLoop]: Abstraction has 2346 states and 3602 transitions. [2022-10-16 16:00:32,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3602 transitions. [2022-10-16 16:00:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:00:32,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:32,027 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:32,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:00:32,027 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:32,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash 908901598, now seen corresponding path program 1 times [2022-10-16 16:00:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:32,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834187408] [2022-10-16 16:00:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:00:32,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:32,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834187408] [2022-10-16 16:00:32,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834187408] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:32,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:32,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:00:32,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394956938] [2022-10-16 16:00:32,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:32,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:32,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:32,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:32,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:32,109 INFO L87 Difference]: Start difference. First operand 2346 states and 3602 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:32,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:32,328 INFO L93 Difference]: Finished difference Result 2346 states and 3602 transitions. [2022-10-16 16:00:32,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:32,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 54 [2022-10-16 16:00:32,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:32,342 INFO L225 Difference]: With dead ends: 2346 [2022-10-16 16:00:32,342 INFO L226 Difference]: Without dead ends: 2345 [2022-10-16 16:00:32,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:32,347 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 89 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:32,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 137 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:32,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2022-10-16 16:00:32,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2345. [2022-10-16 16:00:32,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 2335 states have (on average 1.5323340471092077) internal successors, (3578), 2344 states have internal predecessors, (3578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 3578 transitions. [2022-10-16 16:00:32,601 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 3578 transitions. Word has length 54 [2022-10-16 16:00:32,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:32,601 INFO L495 AbstractCegarLoop]: Abstraction has 2345 states and 3578 transitions. [2022-10-16 16:00:32,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:32,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 3578 transitions. [2022-10-16 16:00:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:00:32,603 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:32,603 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:32,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:00:32,604 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:32,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:32,604 INFO L85 PathProgramCache]: Analyzing trace with hash -979332922, now seen corresponding path program 1 times [2022-10-16 16:00:32,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:32,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514260386] [2022-10-16 16:00:32,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:32,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:32,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:32,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514260386] [2022-10-16 16:00:32,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514260386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:32,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:32,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:32,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718550378] [2022-10-16 16:00:32,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:32,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:32,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:32,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:32,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:32,671 INFO L87 Difference]: Start difference. First operand 2345 states and 3578 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:33,096 INFO L93 Difference]: Finished difference Result 6643 states and 10143 transitions. [2022-10-16 16:00:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:33,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-16 16:00:33,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:33,122 INFO L225 Difference]: With dead ends: 6643 [2022-10-16 16:00:33,122 INFO L226 Difference]: Without dead ends: 4377 [2022-10-16 16:00:33,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:33,128 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 79 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:33,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 289 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:33,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4377 states. [2022-10-16 16:00:33,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4377 to 4367. [2022-10-16 16:00:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4367 states, 4357 states have (on average 1.518246499885242) internal successors, (6615), 4366 states have internal predecessors, (6615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 4367 states and 6615 transitions. [2022-10-16 16:00:33,549 INFO L78 Accepts]: Start accepts. Automaton has 4367 states and 6615 transitions. Word has length 68 [2022-10-16 16:00:33,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:33,549 INFO L495 AbstractCegarLoop]: Abstraction has 4367 states and 6615 transitions. [2022-10-16 16:00:33,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:33,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4367 states and 6615 transitions. [2022-10-16 16:00:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:00:33,551 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:33,568 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:33,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:00:33,569 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:33,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:33,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1768601083, now seen corresponding path program 1 times [2022-10-16 16:00:33,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:33,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830545753] [2022-10-16 16:00:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:33,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:33,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:33,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830545753] [2022-10-16 16:00:33,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830545753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:33,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:33,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:33,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616008609] [2022-10-16 16:00:33,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:33,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:33,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:33,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:33,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:33,640 INFO L87 Difference]: Start difference. First operand 4367 states and 6615 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:34,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:34,472 INFO L93 Difference]: Finished difference Result 12428 states and 18804 transitions. [2022-10-16 16:00:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:34,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 16:00:34,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:34,547 INFO L225 Difference]: With dead ends: 12428 [2022-10-16 16:00:34,547 INFO L226 Difference]: Without dead ends: 8170 [2022-10-16 16:00:34,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:34,558 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 77 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:34,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 272 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8170 states. [2022-10-16 16:00:35,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8170 to 8160. [2022-10-16 16:00:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8160 states, 8150 states have (on average 1.5003680981595091) internal successors, (12228), 8159 states have internal predecessors, (12228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8160 states to 8160 states and 12228 transitions. [2022-10-16 16:00:35,530 INFO L78 Accepts]: Start accepts. Automaton has 8160 states and 12228 transitions. Word has length 69 [2022-10-16 16:00:35,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:35,531 INFO L495 AbstractCegarLoop]: Abstraction has 8160 states and 12228 transitions. [2022-10-16 16:00:35,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8160 states and 12228 transitions. [2022-10-16 16:00:35,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:00:35,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:35,534 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:35,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:00:35,535 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:35,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:35,538 INFO L85 PathProgramCache]: Analyzing trace with hash -281896177, now seen corresponding path program 1 times [2022-10-16 16:00:35,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:35,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464298448] [2022-10-16 16:00:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:35,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:00:35,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:35,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464298448] [2022-10-16 16:00:35,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464298448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:35,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:35,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:35,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691250877] [2022-10-16 16:00:35,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:35,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:35,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:35,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:35,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:35,677 INFO L87 Difference]: Start difference. First operand 8160 states and 12228 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:36,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:36,643 INFO L93 Difference]: Finished difference Result 10828 states and 16292 transitions. [2022-10-16 16:00:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:36,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 70 [2022-10-16 16:00:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:36,672 INFO L225 Difference]: With dead ends: 10828 [2022-10-16 16:00:36,672 INFO L226 Difference]: Without dead ends: 10826 [2022-10-16 16:00:36,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:36,676 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 185 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:36,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 444 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:36,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10826 states. [2022-10-16 16:00:37,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10826 to 9488. [2022-10-16 16:00:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9488 states, 9478 states have (on average 1.5011605824013505) internal successors, (14228), 9487 states have internal predecessors, (14228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9488 states to 9488 states and 14228 transitions. [2022-10-16 16:00:37,696 INFO L78 Accepts]: Start accepts. Automaton has 9488 states and 14228 transitions. Word has length 70 [2022-10-16 16:00:37,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:37,696 INFO L495 AbstractCegarLoop]: Abstraction has 9488 states and 14228 transitions. [2022-10-16 16:00:37,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 9488 states and 14228 transitions. [2022-10-16 16:00:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:00:37,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:37,700 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:37,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:00:37,701 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:37,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:37,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2055041957, now seen corresponding path program 1 times [2022-10-16 16:00:37,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:37,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555021198] [2022-10-16 16:00:37,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:37,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:37,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:37,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555021198] [2022-10-16 16:00:37,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555021198] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:37,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:37,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:37,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879580139] [2022-10-16 16:00:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:37,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:37,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:37,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:37,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:37,838 INFO L87 Difference]: Start difference. First operand 9488 states and 14228 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:39,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:39,357 INFO L93 Difference]: Finished difference Result 26936 states and 40284 transitions. [2022-10-16 16:00:39,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:39,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-16 16:00:39,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:39,399 INFO L225 Difference]: With dead ends: 26936 [2022-10-16 16:00:39,399 INFO L226 Difference]: Without dead ends: 17630 [2022-10-16 16:00:39,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:39,414 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 80 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:39,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 308 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:39,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17630 states. [2022-10-16 16:00:40,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17630 to 17620. [2022-10-16 16:00:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17620 states, 17610 states have (on average 1.4798409994321409) internal successors, (26060), 17619 states have internal predecessors, (26060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17620 states to 17620 states and 26060 transitions. [2022-10-16 16:00:40,795 INFO L78 Accepts]: Start accepts. Automaton has 17620 states and 26060 transitions. Word has length 70 [2022-10-16 16:00:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:40,795 INFO L495 AbstractCegarLoop]: Abstraction has 17620 states and 26060 transitions. [2022-10-16 16:00:40,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 17620 states and 26060 transitions. [2022-10-16 16:00:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:00:40,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:40,800 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:40,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:00:40,800 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:40,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:40,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1475682642, now seen corresponding path program 1 times [2022-10-16 16:00:40,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:40,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635346559] [2022-10-16 16:00:40,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:40,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:00:40,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:40,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635346559] [2022-10-16 16:00:40,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635346559] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:40,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:40,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:40,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269449593] [2022-10-16 16:00:40,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:40,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:40,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:40,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:40,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:40,899 INFO L87 Difference]: Start difference. First operand 17620 states and 26060 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:42,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:42,857 INFO L93 Difference]: Finished difference Result 25074 states and 37356 transitions. [2022-10-16 16:00:42,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:42,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 71 [2022-10-16 16:00:42,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:42,918 INFO L225 Difference]: With dead ends: 25074 [2022-10-16 16:00:42,919 INFO L226 Difference]: Without dead ends: 25072 [2022-10-16 16:00:42,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:42,928 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 181 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:42,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 452 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:42,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25072 states. [2022-10-16 16:00:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25072 to 23828. [2022-10-16 16:00:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23828 states, 23818 states have (on average 1.4844235452179024) internal successors, (35356), 23827 states have internal predecessors, (35356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23828 states to 23828 states and 35356 transitions. [2022-10-16 16:00:45,129 INFO L78 Accepts]: Start accepts. Automaton has 23828 states and 35356 transitions. Word has length 71 [2022-10-16 16:00:45,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:45,129 INFO L495 AbstractCegarLoop]: Abstraction has 23828 states and 35356 transitions. [2022-10-16 16:00:45,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 23828 states and 35356 transitions. [2022-10-16 16:00:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:00:45,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:45,135 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:45,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:00:45,136 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:45,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:45,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1498478508, now seen corresponding path program 1 times [2022-10-16 16:00:45,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:45,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467680779] [2022-10-16 16:00:45,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:45,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:00:45,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:45,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467680779] [2022-10-16 16:00:45,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467680779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:45,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:45,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:45,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950370645] [2022-10-16 16:00:45,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:45,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:45,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:45,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:45,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:45,244 INFO L87 Difference]: Start difference. First operand 23828 states and 35356 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:46,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:46,960 INFO L93 Difference]: Finished difference Result 23834 states and 35356 transitions. [2022-10-16 16:00:46,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:46,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 72 [2022-10-16 16:00:46,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:47,010 INFO L225 Difference]: With dead ends: 23834 [2022-10-16 16:00:47,010 INFO L226 Difference]: Without dead ends: 23832 [2022-10-16 16:00:47,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:47,021 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 182 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:47,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 347 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:47,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23832 states. [2022-10-16 16:00:48,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23832 to 20446. [2022-10-16 16:00:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20446 states, 20438 states have (on average 1.461591153733242) internal successors, (29872), 20445 states have internal predecessors, (29872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20446 states to 20446 states and 29872 transitions. [2022-10-16 16:00:48,793 INFO L78 Accepts]: Start accepts. Automaton has 20446 states and 29872 transitions. Word has length 72 [2022-10-16 16:00:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:48,794 INFO L495 AbstractCegarLoop]: Abstraction has 20446 states and 29872 transitions. [2022-10-16 16:00:48,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 20446 states and 29872 transitions. [2022-10-16 16:00:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:00:48,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:48,799 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:48,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:00:48,799 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:48,800 INFO L85 PathProgramCache]: Analyzing trace with hash -319281519, now seen corresponding path program 1 times [2022-10-16 16:00:48,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:48,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640137107] [2022-10-16 16:00:48,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:48,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:00:48,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:48,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640137107] [2022-10-16 16:00:48,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640137107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:48,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:48,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:48,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365511209] [2022-10-16 16:00:48,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:48,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:48,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:48,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:48,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:48,919 INFO L87 Difference]: Start difference. First operand 20446 states and 29872 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:51,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:51,523 INFO L93 Difference]: Finished difference Result 38758 states and 56924 transitions. [2022-10-16 16:00:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:51,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 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 72 [2022-10-16 16:00:51,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:51,568 INFO L225 Difference]: With dead ends: 38758 [2022-10-16 16:00:51,568 INFO L226 Difference]: Without dead ends: 26334 [2022-10-16 16:00:51,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:00:51,596 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 407 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:51,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 601 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:51,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26334 states. [2022-10-16 16:00:53,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26334 to 25406. [2022-10-16 16:00:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25406 states, 25398 states have (on average 1.4457831325301205) internal successors, (36720), 25405 states have internal predecessors, (36720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25406 states to 25406 states and 36720 transitions. [2022-10-16 16:00:53,581 INFO L78 Accepts]: Start accepts. Automaton has 25406 states and 36720 transitions. Word has length 72 [2022-10-16 16:00:53,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:53,582 INFO L495 AbstractCegarLoop]: Abstraction has 25406 states and 36720 transitions. [2022-10-16 16:00:53,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 25406 states and 36720 transitions. [2022-10-16 16:00:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:00:53,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:53,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:53,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:00:53,587 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash 251790876, now seen corresponding path program 1 times [2022-10-16 16:00:53,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:53,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464595709] [2022-10-16 16:00:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:00:53,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:53,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464595709] [2022-10-16 16:00:53,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464595709] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:53,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:53,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:53,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810291765] [2022-10-16 16:00:53,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:53,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:53,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:53,695 INFO L87 Difference]: Start difference. First operand 25406 states and 36720 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:55,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:55,994 INFO L93 Difference]: Finished difference Result 45280 states and 66032 transitions. [2022-10-16 16:00:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:55,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 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 72 [2022-10-16 16:00:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:56,037 INFO L225 Difference]: With dead ends: 45280 [2022-10-16 16:00:56,037 INFO L226 Difference]: Without dead ends: 27564 [2022-10-16 16:00:56,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:00:56,059 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 405 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:56,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 592 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27564 states. [2022-10-16 16:00:58,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27564 to 26642. [2022-10-16 16:00:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26642 states, 26634 states have (on average 1.4384621160922129) internal successors, (38312), 26641 states have internal predecessors, (38312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26642 states to 26642 states and 38312 transitions. [2022-10-16 16:00:58,172 INFO L78 Accepts]: Start accepts. Automaton has 26642 states and 38312 transitions. Word has length 72 [2022-10-16 16:00:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:58,172 INFO L495 AbstractCegarLoop]: Abstraction has 26642 states and 38312 transitions. [2022-10-16 16:00:58,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 26642 states and 38312 transitions. [2022-10-16 16:00:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:00:58,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:58,178 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:58,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:00:58,178 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:00:58,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash -791806352, now seen corresponding path program 1 times [2022-10-16 16:00:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:58,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218405248] [2022-10-16 16:00:58,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:00:58,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:58,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218405248] [2022-10-16 16:00:58,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218405248] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:58,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:58,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:58,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752643739] [2022-10-16 16:00:58,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:58,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:58,288 INFO L87 Difference]: Start difference. First operand 26642 states and 38312 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:00,760 INFO L93 Difference]: Finished difference Result 44950 states and 65324 transitions. [2022-10-16 16:01:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:00,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 73 [2022-10-16 16:01:00,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:00,803 INFO L225 Difference]: With dead ends: 44950 [2022-10-16 16:01:00,803 INFO L226 Difference]: Without dead ends: 32526 [2022-10-16 16:01:00,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:01:00,823 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 397 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:00,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 648 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:00,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32526 states. [2022-10-16 16:01:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32526 to 30994. [2022-10-16 16:01:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30994 states, 30986 states have (on average 1.4313560963015555) internal successors, (44352), 30993 states have internal predecessors, (44352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30994 states to 30994 states and 44352 transitions. [2022-10-16 16:01:03,275 INFO L78 Accepts]: Start accepts. Automaton has 30994 states and 44352 transitions. Word has length 73 [2022-10-16 16:01:03,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:03,276 INFO L495 AbstractCegarLoop]: Abstraction has 30994 states and 44352 transitions. [2022-10-16 16:01:03,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:03,276 INFO L276 IsEmpty]: Start isEmpty. Operand 30994 states and 44352 transitions. [2022-10-16 16:01:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:01:03,281 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:03,281 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:03,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:01:03,282 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1307792339, now seen corresponding path program 1 times [2022-10-16 16:01:03,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:03,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484301814] [2022-10-16 16:01:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:03,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:01:03,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:03,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484301814] [2022-10-16 16:01:03,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484301814] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:03,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:03,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:03,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5915808] [2022-10-16 16:01:03,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:03,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:03,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:03,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:03,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:03,399 INFO L87 Difference]: Start difference. First operand 30994 states and 44352 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:07,477 INFO L93 Difference]: Finished difference Result 48658 states and 70492 transitions. [2022-10-16 16:01:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:07,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 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 73 [2022-10-16 16:01:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:07,536 INFO L225 Difference]: With dead ends: 48658 [2022-10-16 16:01:07,536 INFO L226 Difference]: Without dead ends: 48656 [2022-10-16 16:01:07,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:01:07,545 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 418 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:07,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 451 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:07,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48656 states. [2022-10-16 16:01:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48656 to 32262. [2022-10-16 16:01:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32262 states, 32254 states have (on average 1.4408135425063557) internal successors, (46472), 32261 states have internal predecessors, (46472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32262 states to 32262 states and 46472 transitions. [2022-10-16 16:01:10,299 INFO L78 Accepts]: Start accepts. Automaton has 32262 states and 46472 transitions. Word has length 73 [2022-10-16 16:01:10,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:10,299 INFO L495 AbstractCegarLoop]: Abstraction has 32262 states and 46472 transitions. [2022-10-16 16:01:10,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32262 states and 46472 transitions. [2022-10-16 16:01:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:01:10,304 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:10,304 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:10,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:01:10,304 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:10,305 INFO L85 PathProgramCache]: Analyzing trace with hash -993052063, now seen corresponding path program 1 times [2022-10-16 16:01:10,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:10,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554592027] [2022-10-16 16:01:10,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:10,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 16:01:10,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:10,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554592027] [2022-10-16 16:01:10,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554592027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:10,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:10,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:01:10,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975159577] [2022-10-16 16:01:10,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:10,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:01:10,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:10,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:01:10,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:10,374 INFO L87 Difference]: Start difference. First operand 32262 states and 46472 transitions. Second operand has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:12,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:12,968 INFO L93 Difference]: Finished difference Result 32262 states and 46472 transitions. [2022-10-16 16:01:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:01:12,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-16 16:01:12,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:13,011 INFO L225 Difference]: With dead ends: 32262 [2022-10-16 16:01:13,011 INFO L226 Difference]: Without dead ends: 32261 [2022-10-16 16:01:13,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:13,020 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 92 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:13,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 154 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32261 states. [2022-10-16 16:01:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32261 to 32261. [2022-10-16 16:01:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32261 states, 32254 states have (on average 1.4152663235567682) internal successors, (45648), 32260 states have internal predecessors, (45648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32261 states to 32261 states and 45648 transitions. [2022-10-16 16:01:15,709 INFO L78 Accepts]: Start accepts. Automaton has 32261 states and 45648 transitions. Word has length 73 [2022-10-16 16:01:15,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:15,709 INFO L495 AbstractCegarLoop]: Abstraction has 32261 states and 45648 transitions. [2022-10-16 16:01:15,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32261 states and 45648 transitions. [2022-10-16 16:01:15,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:01:15,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:15,714 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:15,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:01:15,715 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:15,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1223807022, now seen corresponding path program 1 times [2022-10-16 16:01:15,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:15,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240334859] [2022-10-16 16:01:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:15,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:01:15,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:15,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240334859] [2022-10-16 16:01:15,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240334859] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:15,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:15,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:15,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768377911] [2022-10-16 16:01:15,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:15,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:15,825 INFO L87 Difference]: Start difference. First operand 32261 states and 45648 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:19,871 INFO L93 Difference]: Finished difference Result 47455 states and 67788 transitions. [2022-10-16 16:01:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:19,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 74 [2022-10-16 16:01:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:19,937 INFO L225 Difference]: With dead ends: 47455 [2022-10-16 16:01:19,938 INFO L226 Difference]: Without dead ends: 47453 [2022-10-16 16:01:19,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:01:19,947 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 406 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:19,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 438 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:19,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47453 states. [2022-10-16 16:01:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47453 to 29493. [2022-10-16 16:01:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29493 states, 29486 states have (on average 1.4204707318727532) internal successors, (41884), 29492 states have internal predecessors, (41884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29493 states to 29493 states and 41884 transitions. [2022-10-16 16:01:22,787 INFO L78 Accepts]: Start accepts. Automaton has 29493 states and 41884 transitions. Word has length 74 [2022-10-16 16:01:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:22,788 INFO L495 AbstractCegarLoop]: Abstraction has 29493 states and 41884 transitions. [2022-10-16 16:01:22,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29493 states and 41884 transitions. [2022-10-16 16:01:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:01:22,792 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:22,792 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:22,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:01:22,793 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:22,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:22,793 INFO L85 PathProgramCache]: Analyzing trace with hash -719842706, now seen corresponding path program 1 times [2022-10-16 16:01:22,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:22,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799355760] [2022-10-16 16:01:22,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:22,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:22,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:22,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799355760] [2022-10-16 16:01:22,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799355760] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:01:22,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678536119] [2022-10-16 16:01:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:22,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:01:22,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:01:22,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:01:22,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:01:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:22,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:01:22,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:01:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 16:01:23,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:01:23,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678536119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:23,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:01:23,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2022-10-16 16:01:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548895080] [2022-10-16 16:01:23,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:23,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:23,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:23,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:23,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:01:23,196 INFO L87 Difference]: Start difference. First operand 29493 states and 41884 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:26,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:26,085 INFO L93 Difference]: Finished difference Result 35104 states and 49480 transitions. [2022-10-16 16:01:26,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:26,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 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 74 [2022-10-16 16:01:26,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:26,117 INFO L225 Difference]: With dead ends: 35104 [2022-10-16 16:01:26,117 INFO L226 Difference]: Without dead ends: 21669 [2022-10-16 16:01:26,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:01:26,131 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 312 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:26,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 508 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:26,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21669 states. [2022-10-16 16:01:27,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21669 to 20828. [2022-10-16 16:01:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20828 states, 20821 states have (on average 1.4017098122088276) internal successors, (29185), 20827 states have internal predecessors, (29185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20828 states to 20828 states and 29185 transitions. [2022-10-16 16:01:27,979 INFO L78 Accepts]: Start accepts. Automaton has 20828 states and 29185 transitions. Word has length 74 [2022-10-16 16:01:27,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:27,979 INFO L495 AbstractCegarLoop]: Abstraction has 20828 states and 29185 transitions. [2022-10-16 16:01:27,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 20828 states and 29185 transitions. [2022-10-16 16:01:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:01:27,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:27,984 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:28,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 16:01:28,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 16:01:28,198 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:28,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:28,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1654572889, now seen corresponding path program 1 times [2022-10-16 16:01:28,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:28,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892237435] [2022-10-16 16:01:28,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:28,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:01:28,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:28,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892237435] [2022-10-16 16:01:28,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892237435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:28,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:28,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:28,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139456571] [2022-10-16 16:01:28,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:28,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:28,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:28,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:28,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:28,293 INFO L87 Difference]: Start difference. First operand 20828 states and 29185 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:30,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:30,910 INFO L93 Difference]: Finished difference Result 29022 states and 41127 transitions. [2022-10-16 16:01:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:01:30,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 76 [2022-10-16 16:01:30,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:30,948 INFO L225 Difference]: With dead ends: 29022 [2022-10-16 16:01:30,948 INFO L226 Difference]: Without dead ends: 29020 [2022-10-16 16:01:30,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:30,958 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 218 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:30,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 541 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:30,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29020 states. [2022-10-16 16:01:33,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29020 to 26170. [2022-10-16 16:01:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26170 states, 26163 states have (on average 1.4025914459350992) internal successors, (36696), 26169 states have internal predecessors, (36696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26170 states to 26170 states and 36696 transitions. [2022-10-16 16:01:33,418 INFO L78 Accepts]: Start accepts. Automaton has 26170 states and 36696 transitions. Word has length 76 [2022-10-16 16:01:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:33,419 INFO L495 AbstractCegarLoop]: Abstraction has 26170 states and 36696 transitions. [2022-10-16 16:01:33,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 26170 states and 36696 transitions. [2022-10-16 16:01:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:01:33,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:33,422 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:33,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:01:33,422 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:33,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:33,423 INFO L85 PathProgramCache]: Analyzing trace with hash 308412261, now seen corresponding path program 1 times [2022-10-16 16:01:33,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:33,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642584229] [2022-10-16 16:01:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:33,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:33,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642584229] [2022-10-16 16:01:33,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642584229] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:33,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:33,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:33,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601585054] [2022-10-16 16:01:33,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:33,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:01:33,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:33,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:01:33,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:33,499 INFO L87 Difference]: Start difference. First operand 26170 states and 36696 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:35,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:35,370 INFO L93 Difference]: Finished difference Result 29457 states and 40984 transitions. [2022-10-16 16:01:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:01:35,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:01:35,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:35,393 INFO L225 Difference]: With dead ends: 29457 [2022-10-16 16:01:35,394 INFO L226 Difference]: Without dead ends: 18567 [2022-10-16 16:01:35,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:35,405 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 77 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:35,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 312 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:35,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18567 states. [2022-10-16 16:01:37,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18567 to 18514. [2022-10-16 16:01:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18514 states, 18507 states have (on average 1.375155346625601) internal successors, (25450), 18513 states have internal predecessors, (25450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18514 states to 18514 states and 25450 transitions. [2022-10-16 16:01:37,333 INFO L78 Accepts]: Start accepts. Automaton has 18514 states and 25450 transitions. Word has length 76 [2022-10-16 16:01:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:37,333 INFO L495 AbstractCegarLoop]: Abstraction has 18514 states and 25450 transitions. [2022-10-16 16:01:37,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 18514 states and 25450 transitions. [2022-10-16 16:01:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:01:37,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:37,338 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:37,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:01:37,339 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:37,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:37,339 INFO L85 PathProgramCache]: Analyzing trace with hash 488735223, now seen corresponding path program 1 times [2022-10-16 16:01:37,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:37,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330029853] [2022-10-16 16:01:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:37,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330029853] [2022-10-16 16:01:37,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330029853] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:01:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990453888] [2022-10-16 16:01:37,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:37,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:01:37,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:01:37,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:01:37,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:01:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:37,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:01:37,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:01:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 16:01:37,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:01:37,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990453888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:37,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:01:37,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-10-16 16:01:37,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175945213] [2022-10-16 16:01:37,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:37,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:37,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:37,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:37,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:01:37,638 INFO L87 Difference]: Start difference. First operand 18514 states and 25450 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:40,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:40,766 INFO L93 Difference]: Finished difference Result 44534 states and 61085 transitions. [2022-10-16 16:01:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:40,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 76 [2022-10-16 16:01:40,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:40,798 INFO L225 Difference]: With dead ends: 44534 [2022-10-16 16:01:40,798 INFO L226 Difference]: Without dead ends: 26074 [2022-10-16 16:01:40,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:01:40,812 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 330 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:40,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 181 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:40,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26074 states. [2022-10-16 16:01:43,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26074 to 25882. [2022-10-16 16:01:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25882 states, 25875 states have (on average 1.3625507246376811) internal successors, (35256), 25881 states have internal predecessors, (35256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25882 states to 25882 states and 35256 transitions. [2022-10-16 16:01:43,736 INFO L78 Accepts]: Start accepts. Automaton has 25882 states and 35256 transitions. Word has length 76 [2022-10-16 16:01:43,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:43,737 INFO L495 AbstractCegarLoop]: Abstraction has 25882 states and 35256 transitions. [2022-10-16 16:01:43,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 25882 states and 35256 transitions. [2022-10-16 16:01:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:01:43,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:43,740 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:43,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:01:43,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 16:01:43,950 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:43,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:43,951 INFO L85 PathProgramCache]: Analyzing trace with hash 219460124, now seen corresponding path program 1 times [2022-10-16 16:01:43,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:43,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952803490] [2022-10-16 16:01:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:43,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:44,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:44,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952803490] [2022-10-16 16:01:44,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952803490] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:01:44,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054333855] [2022-10-16 16:01:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:44,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:01:44,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:01:44,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:01:44,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:01:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:44,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:01:44,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:01:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:44,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:01:44,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054333855] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:44,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:01:44,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 16:01:44,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250677683] [2022-10-16 16:01:44,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:44,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:44,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:44,204 INFO L87 Difference]: Start difference. First operand 25882 states and 35256 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:47,077 INFO L93 Difference]: Finished difference Result 25882 states and 35256 transitions. [2022-10-16 16:01:47,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:01:47,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:01:47,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:47,103 INFO L225 Difference]: With dead ends: 25882 [2022-10-16 16:01:47,103 INFO L226 Difference]: Without dead ends: 22693 [2022-10-16 16:01:47,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:47,111 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 174 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:47,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:47,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22693 states. [2022-10-16 16:01:49,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22693 to 22582. [2022-10-16 16:01:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22582 states, 22576 states have (on average 1.3499734231041813) internal successors, (30477), 22581 states have internal predecessors, (30477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:49,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22582 states to 22582 states and 30477 transitions. [2022-10-16 16:01:49,671 INFO L78 Accepts]: Start accepts. Automaton has 22582 states and 30477 transitions. Word has length 76 [2022-10-16 16:01:49,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:49,671 INFO L495 AbstractCegarLoop]: Abstraction has 22582 states and 30477 transitions. [2022-10-16 16:01:49,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 22582 states and 30477 transitions. [2022-10-16 16:01:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:01:49,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:49,674 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:49,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 16:01:49,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:01:49,885 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:49,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:49,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1446265646, now seen corresponding path program 1 times [2022-10-16 16:01:49,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:49,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788078335] [2022-10-16 16:01:49,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:01:49,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:49,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788078335] [2022-10-16 16:01:49,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788078335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:49,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:49,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:49,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063312957] [2022-10-16 16:01:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:49,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:49,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:49,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:49,998 INFO L87 Difference]: Start difference. First operand 22582 states and 30477 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:52,765 INFO L93 Difference]: Finished difference Result 24446 states and 32981 transitions. [2022-10-16 16:01:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:52,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 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 77 [2022-10-16 16:01:52,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:52,792 INFO L225 Difference]: With dead ends: 24446 [2022-10-16 16:01:52,792 INFO L226 Difference]: Without dead ends: 22596 [2022-10-16 16:01:52,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:52,800 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 263 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:52,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 601 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22596 states. [2022-10-16 16:01:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22596 to 22594. [2022-10-16 16:01:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22594 states, 22588 states have (on average 1.348547901540641) internal successors, (30461), 22593 states have internal predecessors, (30461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22594 states to 22594 states and 30461 transitions. [2022-10-16 16:01:55,332 INFO L78 Accepts]: Start accepts. Automaton has 22594 states and 30461 transitions. Word has length 77 [2022-10-16 16:01:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:55,333 INFO L495 AbstractCegarLoop]: Abstraction has 22594 states and 30461 transitions. [2022-10-16 16:01:55,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 22594 states and 30461 transitions. [2022-10-16 16:01:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:01:55,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:55,335 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:55,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:01:55,336 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:01:55,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:55,336 INFO L85 PathProgramCache]: Analyzing trace with hash 637376640, now seen corresponding path program 1 times [2022-10-16 16:01:55,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:55,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201969627] [2022-10-16 16:01:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:55,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:01:55,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:55,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201969627] [2022-10-16 16:01:55,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201969627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:55,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:55,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:55,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932585298] [2022-10-16 16:01:55,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:55,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:55,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:55,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:55,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:55,448 INFO L87 Difference]: Start difference. First operand 22594 states and 30461 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:58,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:58,400 INFO L93 Difference]: Finished difference Result 28225 states and 38291 transitions. [2022-10-16 16:01:58,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:58,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 78 [2022-10-16 16:01:58,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:58,435 INFO L225 Difference]: With dead ends: 28225 [2022-10-16 16:01:58,435 INFO L226 Difference]: Without dead ends: 28202 [2022-10-16 16:01:58,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:58,444 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 259 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:58,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 693 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:58,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28202 states. [2022-10-16 16:02:01,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28202 to 26953. [2022-10-16 16:02:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26953 states, 26947 states have (on average 1.3461980925520467) internal successors, (36276), 26952 states have internal predecessors, (36276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26953 states to 26953 states and 36276 transitions. [2022-10-16 16:02:01,408 INFO L78 Accepts]: Start accepts. Automaton has 26953 states and 36276 transitions. Word has length 78 [2022-10-16 16:02:01,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:01,408 INFO L495 AbstractCegarLoop]: Abstraction has 26953 states and 36276 transitions. [2022-10-16 16:02:01,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 26953 states and 36276 transitions. [2022-10-16 16:02:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:02:01,411 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:01,411 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:01,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:02:01,412 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:01,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:01,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1261920486, now seen corresponding path program 1 times [2022-10-16 16:02:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:01,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012694299] [2022-10-16 16:02:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:01,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:01,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012694299] [2022-10-16 16:02:01,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012694299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:01,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:01,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:01,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846665403] [2022-10-16 16:02:01,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:01,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:01,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:01,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:01,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:01,548 INFO L87 Difference]: Start difference. First operand 26953 states and 36276 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:04,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:04,661 INFO L93 Difference]: Finished difference Result 29145 states and 39236 transitions. [2022-10-16 16:02:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:04,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 78 [2022-10-16 16:02:04,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:04,698 INFO L225 Difference]: With dead ends: 29145 [2022-10-16 16:02:04,699 INFO L226 Difference]: Without dead ends: 27903 [2022-10-16 16:02:04,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:04,708 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 239 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:04,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 687 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27903 states. [2022-10-16 16:02:07,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27903 to 27901. [2022-10-16 16:02:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27901 states, 27895 states have (on average 1.3460476787954831) internal successors, (37548), 27900 states have internal predecessors, (37548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27901 states to 27901 states and 37548 transitions. [2022-10-16 16:02:07,982 INFO L78 Accepts]: Start accepts. Automaton has 27901 states and 37548 transitions. Word has length 78 [2022-10-16 16:02:07,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:07,982 INFO L495 AbstractCegarLoop]: Abstraction has 27901 states and 37548 transitions. [2022-10-16 16:02:07,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 27901 states and 37548 transitions. [2022-10-16 16:02:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:02:07,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:07,985 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:07,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:02:07,986 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:07,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1716160482, now seen corresponding path program 1 times [2022-10-16 16:02:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:07,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903487618] [2022-10-16 16:02:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:08,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:08,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903487618] [2022-10-16 16:02:08,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903487618] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:08,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:08,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:08,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113860932] [2022-10-16 16:02:08,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:08,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:08,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:08,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:08,118 INFO L87 Difference]: Start difference. First operand 27901 states and 37548 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:11,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:11,146 INFO L93 Difference]: Finished difference Result 34308 states and 46010 transitions. [2022-10-16 16:02:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:11,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 79 [2022-10-16 16:02:11,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:11,170 INFO L225 Difference]: With dead ends: 34308 [2022-10-16 16:02:11,170 INFO L226 Difference]: Without dead ends: 22023 [2022-10-16 16:02:11,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:11,185 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 252 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:11,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 585 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:11,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22023 states. [2022-10-16 16:02:13,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22023 to 16968. [2022-10-16 16:02:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16968 states, 16962 states have (on average 1.335455724560783) internal successors, (22652), 16967 states have internal predecessors, (22652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:13,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16968 states to 16968 states and 22652 transitions. [2022-10-16 16:02:13,455 INFO L78 Accepts]: Start accepts. Automaton has 16968 states and 22652 transitions. Word has length 79 [2022-10-16 16:02:13,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:13,455 INFO L495 AbstractCegarLoop]: Abstraction has 16968 states and 22652 transitions. [2022-10-16 16:02:13,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 16968 states and 22652 transitions. [2022-10-16 16:02:13,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:02:13,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:13,458 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:13,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:02:13,458 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:13,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:13,459 INFO L85 PathProgramCache]: Analyzing trace with hash 13559432, now seen corresponding path program 1 times [2022-10-16 16:02:13,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:13,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352492688] [2022-10-16 16:02:13,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:13,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:13,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:13,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352492688] [2022-10-16 16:02:13,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352492688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:13,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:13,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:13,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433467566] [2022-10-16 16:02:13,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:13,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:13,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:13,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:13,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:13,581 INFO L87 Difference]: Start difference. First operand 16968 states and 22652 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:15,904 INFO L93 Difference]: Finished difference Result 17764 states and 23676 transitions. [2022-10-16 16:02:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:15,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 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 83 [2022-10-16 16:02:15,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:15,923 INFO L225 Difference]: With dead ends: 17764 [2022-10-16 16:02:15,923 INFO L226 Difference]: Without dead ends: 16179 [2022-10-16 16:02:15,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:15,932 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 238 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:15,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 733 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:15,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16179 states. [2022-10-16 16:02:17,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16179 to 16176. [2022-10-16 16:02:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16176 states, 16170 states have (on average 1.3375386518243662) internal successors, (21628), 16175 states have internal predecessors, (21628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16176 states to 16176 states and 21628 transitions. [2022-10-16 16:02:17,973 INFO L78 Accepts]: Start accepts. Automaton has 16176 states and 21628 transitions. Word has length 83 [2022-10-16 16:02:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:17,973 INFO L495 AbstractCegarLoop]: Abstraction has 16176 states and 21628 transitions. [2022-10-16 16:02:17,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 16176 states and 21628 transitions. [2022-10-16 16:02:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:02:17,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:17,978 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:17,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:02:17,979 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash -602661907, now seen corresponding path program 1 times [2022-10-16 16:02:17,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:17,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316235839] [2022-10-16 16:02:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:17,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 16:02:18,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:18,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316235839] [2022-10-16 16:02:18,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316235839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:18,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:18,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:02:18,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424727315] [2022-10-16 16:02:18,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:18,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:02:18,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:18,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:02:18,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:02:18,062 INFO L87 Difference]: Start difference. First operand 16176 states and 21628 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:19,351 INFO L93 Difference]: Finished difference Result 18053 states and 24008 transitions. [2022-10-16 16:02:19,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:02:19,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 104 [2022-10-16 16:02:19,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:19,361 INFO L225 Difference]: With dead ends: 18053 [2022-10-16 16:02:19,361 INFO L226 Difference]: Without dead ends: 9428 [2022-10-16 16:02:19,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:02:19,367 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 59 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:19,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 273 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:02:19,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9428 states. [2022-10-16 16:02:20,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9428 to 9417. [2022-10-16 16:02:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9417 states, 9411 states have (on average 1.3138880034002762) internal successors, (12365), 9416 states have internal predecessors, (12365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9417 states to 9417 states and 12365 transitions. [2022-10-16 16:02:20,493 INFO L78 Accepts]: Start accepts. Automaton has 9417 states and 12365 transitions. Word has length 104 [2022-10-16 16:02:20,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:20,494 INFO L495 AbstractCegarLoop]: Abstraction has 9417 states and 12365 transitions. [2022-10-16 16:02:20,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9417 states and 12365 transitions. [2022-10-16 16:02:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:02:20,499 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:20,499 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:20,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:02:20,499 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:20,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:20,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1886929719, now seen corresponding path program 1 times [2022-10-16 16:02:20,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:20,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685695336] [2022-10-16 16:02:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:20,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:02:20,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:20,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685695336] [2022-10-16 16:02:20,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685695336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:20,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:20,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:02:20,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558184096] [2022-10-16 16:02:20,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:20,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:02:20,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:20,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:02:20,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:02:20,608 INFO L87 Difference]: Start difference. First operand 9417 states and 12365 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:21,829 INFO L93 Difference]: Finished difference Result 9689 states and 12705 transitions. [2022-10-16 16:02:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:02:21,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 16:02:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:21,841 INFO L225 Difference]: With dead ends: 9689 [2022-10-16 16:02:21,841 INFO L226 Difference]: Without dead ends: 9687 [2022-10-16 16:02:21,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:02:21,845 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 150 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:21,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 601 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:02:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9687 states. [2022-10-16 16:02:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9687 to 9415. [2022-10-16 16:02:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9415 states, 9411 states have (on average 1.2985867601742642) internal successors, (12221), 9414 states have internal predecessors, (12221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 12221 transitions. [2022-10-16 16:02:23,031 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 12221 transitions. Word has length 106 [2022-10-16 16:02:23,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:23,032 INFO L495 AbstractCegarLoop]: Abstraction has 9415 states and 12221 transitions. [2022-10-16 16:02:23,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 12221 transitions. [2022-10-16 16:02:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:02:23,037 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:23,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:23,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:02:23,037 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:23,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:23,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1392133333, now seen corresponding path program 2 times [2022-10-16 16:02:23,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:23,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065317872] [2022-10-16 16:02:23,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:02:23,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:23,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065317872] [2022-10-16 16:02:23,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065317872] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:23,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:23,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:23,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518184898] [2022-10-16 16:02:23,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:23,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:23,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:23,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:23,178 INFO L87 Difference]: Start difference. First operand 9415 states and 12221 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:24,422 INFO L93 Difference]: Finished difference Result 9733 states and 12629 transitions. [2022-10-16 16:02:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:24,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 16:02:24,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:24,433 INFO L225 Difference]: With dead ends: 9733 [2022-10-16 16:02:24,433 INFO L226 Difference]: Without dead ends: 8795 [2022-10-16 16:02:24,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:24,436 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 217 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:24,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 680 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:24,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8795 states. [2022-10-16 16:02:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8795 to 8163. [2022-10-16 16:02:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8159 states have (on average 1.300649589410467) internal successors, (10612), 8162 states have internal predecessors, (10612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 10612 transitions. [2022-10-16 16:02:25,462 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 10612 transitions. Word has length 107 [2022-10-16 16:02:25,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:25,462 INFO L495 AbstractCegarLoop]: Abstraction has 8163 states and 10612 transitions. [2022-10-16 16:02:25,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 10612 transitions. [2022-10-16 16:02:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:02:25,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:25,467 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:25,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:02:25,468 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:25,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:25,468 INFO L85 PathProgramCache]: Analyzing trace with hash -863256117, now seen corresponding path program 2 times [2022-10-16 16:02:25,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:25,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301440063] [2022-10-16 16:02:25,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:02:25,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:25,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301440063] [2022-10-16 16:02:25,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301440063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:25,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:25,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:25,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862026359] [2022-10-16 16:02:25,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:25,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:25,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:25,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:25,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:25,613 INFO L87 Difference]: Start difference. First operand 8163 states and 10612 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:26,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:26,707 INFO L93 Difference]: Finished difference Result 8167 states and 10612 transitions. [2022-10-16 16:02:26,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:26,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:02:26,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:26,720 INFO L225 Difference]: With dead ends: 8167 [2022-10-16 16:02:26,720 INFO L226 Difference]: Without dead ends: 8165 [2022-10-16 16:02:26,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:26,723 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 195 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:26,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 533 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:26,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2022-10-16 16:02:27,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 8163. [2022-10-16 16:02:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8159 states have (on average 1.292805490868979) internal successors, (10548), 8162 states have internal predecessors, (10548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 10548 transitions. [2022-10-16 16:02:27,757 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 10548 transitions. Word has length 108 [2022-10-16 16:02:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:27,757 INFO L495 AbstractCegarLoop]: Abstraction has 8163 states and 10548 transitions. [2022-10-16 16:02:27,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 10548 transitions. [2022-10-16 16:02:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:02:27,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:27,762 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:27,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:02:27,762 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:27,763 INFO L85 PathProgramCache]: Analyzing trace with hash 361253192, now seen corresponding path program 2 times [2022-10-16 16:02:27,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:27,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37074888] [2022-10-16 16:02:27,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:27,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:02:27,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:27,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37074888] [2022-10-16 16:02:27,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37074888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:27,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:27,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:27,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713164872] [2022-10-16 16:02:27,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:27,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:27,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:27,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:27,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:27,901 INFO L87 Difference]: Start difference. First operand 8163 states and 10548 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:29,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:29,026 INFO L93 Difference]: Finished difference Result 8481 states and 10956 transitions. [2022-10-16 16:02:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:29,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:02:29,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:29,034 INFO L225 Difference]: With dead ends: 8481 [2022-10-16 16:02:29,034 INFO L226 Difference]: Without dead ends: 6619 [2022-10-16 16:02:29,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:29,037 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 196 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:29,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 525 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:29,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6619 states. [2022-10-16 16:02:29,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6619 to 5987. [2022-10-16 16:02:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5983 states have (on average 1.2961724887180344) internal successors, (7755), 5986 states have internal predecessors, (7755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 7755 transitions. [2022-10-16 16:02:29,726 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 7755 transitions. Word has length 108 [2022-10-16 16:02:29,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:29,727 INFO L495 AbstractCegarLoop]: Abstraction has 5987 states and 7755 transitions. [2022-10-16 16:02:29,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 7755 transitions. [2022-10-16 16:02:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:02:29,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:29,730 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:29,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:02:29,730 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:29,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:29,731 INFO L85 PathProgramCache]: Analyzing trace with hash -991135693, now seen corresponding path program 2 times [2022-10-16 16:02:29,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:29,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416827395] [2022-10-16 16:02:29,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:02:29,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:29,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416827395] [2022-10-16 16:02:29,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416827395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:29,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:29,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:29,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901233292] [2022-10-16 16:02:29,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:29,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:29,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:29,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:29,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:29,868 INFO L87 Difference]: Start difference. First operand 5987 states and 7755 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:30,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:30,636 INFO L93 Difference]: Finished difference Result 8151 states and 10553 transitions. [2022-10-16 16:02:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:30,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:02:30,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:30,641 INFO L225 Difference]: With dead ends: 8151 [2022-10-16 16:02:30,641 INFO L226 Difference]: Without dead ends: 4069 [2022-10-16 16:02:30,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:30,644 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 174 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:30,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 431 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:02:30,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2022-10-16 16:02:31,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 2725. [2022-10-16 16:02:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2724 states have (on average 1.2643171806167401) internal successors, (3444), 2724 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 3444 transitions. [2022-10-16 16:02:31,066 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 3444 transitions. Word has length 109 [2022-10-16 16:02:31,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:31,066 INFO L495 AbstractCegarLoop]: Abstraction has 2725 states and 3444 transitions. [2022-10-16 16:02:31,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3444 transitions. [2022-10-16 16:02:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:02:31,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:31,069 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:31,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:02:31,069 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:31,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:31,069 INFO L85 PathProgramCache]: Analyzing trace with hash -690151223, now seen corresponding path program 1 times [2022-10-16 16:02:31,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:31,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667812812] [2022-10-16 16:02:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:31,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:31,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667812812] [2022-10-16 16:02:31,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667812812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:31,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:31,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:31,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275653966] [2022-10-16 16:02:31,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:31,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:31,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:31,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:31,207 INFO L87 Difference]: Start difference. First operand 2725 states and 3444 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:32,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:32,002 INFO L93 Difference]: Finished difference Result 3579 states and 4536 transitions. [2022-10-16 16:02:32,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:32,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-16 16:02:32,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:32,005 INFO L225 Difference]: With dead ends: 3579 [2022-10-16 16:02:32,006 INFO L226 Difference]: Without dead ends: 2678 [2022-10-16 16:02:32,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:32,007 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 173 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:32,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 645 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:32,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2022-10-16 16:02:32,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2677. [2022-10-16 16:02:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2676 states have (on average 1.2630792227204783) internal successors, (3380), 2676 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3380 transitions. [2022-10-16 16:02:32,396 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3380 transitions. Word has length 114 [2022-10-16 16:02:32,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:32,396 INFO L495 AbstractCegarLoop]: Abstraction has 2677 states and 3380 transitions. [2022-10-16 16:02:32,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3380 transitions. [2022-10-16 16:02:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:02:32,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:32,398 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:32,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:02:32,398 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:32,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash 839020203, now seen corresponding path program 2 times [2022-10-16 16:02:32,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:32,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520983468] [2022-10-16 16:02:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:32,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:02:32,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:32,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520983468] [2022-10-16 16:02:32,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520983468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:32,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:32,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:32,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892065310] [2022-10-16 16:02:32,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:32,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:32,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:32,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:32,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:32,537 INFO L87 Difference]: Start difference. First operand 2677 states and 3380 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:33,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:33,191 INFO L93 Difference]: Finished difference Result 3799 states and 4812 transitions. [2022-10-16 16:02:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:33,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-16 16:02:33,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:33,194 INFO L225 Difference]: With dead ends: 3799 [2022-10-16 16:02:33,194 INFO L226 Difference]: Without dead ends: 2678 [2022-10-16 16:02:33,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:33,196 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 177 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:33,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 729 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:33,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2022-10-16 16:02:33,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2677. [2022-10-16 16:02:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2676 states have (on average 1.258594917787743) internal successors, (3368), 2676 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3368 transitions. [2022-10-16 16:02:33,581 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3368 transitions. Word has length 114 [2022-10-16 16:02:33,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:33,581 INFO L495 AbstractCegarLoop]: Abstraction has 2677 states and 3368 transitions. [2022-10-16 16:02:33,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3368 transitions. [2022-10-16 16:02:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:02:33,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:33,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:33,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:02:33,583 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:33,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1361442188, now seen corresponding path program 2 times [2022-10-16 16:02:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:33,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6113628] [2022-10-16 16:02:33,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:33,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 16:02:33,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:33,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6113628] [2022-10-16 16:02:33,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6113628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:33,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:33,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:33,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210971988] [2022-10-16 16:02:33,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:33,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:33,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:33,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:33,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:33,735 INFO L87 Difference]: Start difference. First operand 2677 states and 3368 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:34,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:34,337 INFO L93 Difference]: Finished difference Result 2947 states and 3704 transitions. [2022-10-16 16:02:34,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:34,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 16:02:34,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:34,339 INFO L225 Difference]: With dead ends: 2947 [2022-10-16 16:02:34,340 INFO L226 Difference]: Without dead ends: 2362 [2022-10-16 16:02:34,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:34,341 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 182 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:34,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 591 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:34,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-10-16 16:02:34,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2093. [2022-10-16 16:02:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2092 states have (on average 1.2504780114722753) internal successors, (2616), 2092 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2616 transitions. [2022-10-16 16:02:34,623 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2616 transitions. Word has length 115 [2022-10-16 16:02:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:34,623 INFO L495 AbstractCegarLoop]: Abstraction has 2093 states and 2616 transitions. [2022-10-16 16:02:34,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2616 transitions. [2022-10-16 16:02:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:02:34,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:34,625 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:34,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:02:34,625 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:34,626 INFO L85 PathProgramCache]: Analyzing trace with hash -991917516, now seen corresponding path program 3 times [2022-10-16 16:02:34,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:34,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032799246] [2022-10-16 16:02:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:34,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:02:34,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:34,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032799246] [2022-10-16 16:02:34,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032799246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:34,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:34,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:34,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059122664] [2022-10-16 16:02:34,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:34,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:34,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:34,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:34,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:34,770 INFO L87 Difference]: Start difference. First operand 2093 states and 2616 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:35,279 INFO L93 Difference]: Finished difference Result 2094 states and 2616 transitions. [2022-10-16 16:02:35,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:35,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 16:02:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:35,281 INFO L225 Difference]: With dead ends: 2094 [2022-10-16 16:02:35,282 INFO L226 Difference]: Without dead ends: 1241 [2022-10-16 16:02:35,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:35,283 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 166 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:35,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 635 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:35,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-10-16 16:02:35,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1241. [2022-10-16 16:02:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1240 states have (on average 1.2451612903225806) internal successors, (1544), 1240 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1544 transitions. [2022-10-16 16:02:35,519 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1544 transitions. Word has length 115 [2022-10-16 16:02:35,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:35,519 INFO L495 AbstractCegarLoop]: Abstraction has 1241 states and 1544 transitions. [2022-10-16 16:02:35,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1544 transitions. [2022-10-16 16:02:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:02:35,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:35,522 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:35,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:02:35,522 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:02:35,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:35,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1742822489, now seen corresponding path program 1 times [2022-10-16 16:02:35,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:35,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496981439] [2022-10-16 16:02:35,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:35,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 16:02:35,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:35,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496981439] [2022-10-16 16:02:35,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496981439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:35,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:35,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:35,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600987] [2022-10-16 16:02:35,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:35,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:35,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:35,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:35,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:35,687 INFO L87 Difference]: Start difference. First operand 1241 states and 1544 transitions. Second operand has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:36,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:36,006 INFO L93 Difference]: Finished difference Result 1241 states and 1544 transitions. [2022-10-16 16:02:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:36,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 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 142 [2022-10-16 16:02:36,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:36,007 INFO L225 Difference]: With dead ends: 1241 [2022-10-16 16:02:36,007 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 16:02:36,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:36,009 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 152 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:36,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 563 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:02:36,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 16:02:36,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 16:02:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:36,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 16:02:36,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2022-10-16 16:02:36,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:36,010 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 16:02:36,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:02:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 16:02:36,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 16:02:36,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-10-16 16:02:36,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-10-16 16:02:36,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-10-16 16:02:36,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-10-16 16:02:36,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-10-16 16:02:36,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-10-16 16:02:36,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-10-16 16:02:36,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-10-16 16:02:36,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-10-16 16:02:36,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-10-16 16:02:36,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-10-16 16:02:36,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-10-16 16:02:36,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-10-16 16:02:36,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-10-16 16:02:36,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-10-16 16:02:36,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-10-16 16:02:36,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:02:36,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 16:02:49,448 WARN L233 SmtUtils]: Spent 13.40s on a formula simplification. DAG size of input: 1037 DAG size of output: 1026 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 16:03:30,684 WARN L233 SmtUtils]: Spent 41.22s on a formula simplification. DAG size of input: 1534 DAG size of output: 1522 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)