/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:04:23,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:04:23,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:04:23,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:04:23,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:04:23,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:04:23,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:04:23,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:04:23,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:04:23,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:04:23,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:04:23,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:04:23,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:04:23,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:04:23,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:04:23,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:04:23,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:04:23,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:04:23,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:04:23,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:04:23,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:04:23,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:04:23,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:04:23,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:04:23,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:04:23,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:04:23,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:04:23,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:04:23,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:04:23,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:04:23,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:04:23,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:04:23,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:04:23,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:04:23,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:04:23,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:04:23,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:04:23,544 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:04:23,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:04:23,546 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:04:23,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:04:23,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:04:23,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:04:23,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:04:23,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:04:23,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:04:23,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:04:23,547 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:04:23,547 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:04:23,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:04:23,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:04:23,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:04:23,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:04:23,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:04:23,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:04:23,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:04:23,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:04:23,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:04:23,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:04:23,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:04:23,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:04:23,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:04:23,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:04:23,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:04:23,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:04:23,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:04:23,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:04:23,979 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:04:23,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:04:24,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e23389678/56f388e732bf4a57b7fd3b7af606e02c/FLAG2406bfd0a [2022-10-15 22:04:24,754 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:04:24,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:04:24,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e23389678/56f388e732bf4a57b7fd3b7af606e02c/FLAG2406bfd0a [2022-10-15 22:04:24,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e23389678/56f388e732bf4a57b7fd3b7af606e02c [2022-10-15 22:04:24,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:04:25,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:04:25,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:04:25,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:04:25,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:04:25,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:04:24" (1/1) ... [2022-10-15 22:04:25,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a78c96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:25, skipping insertion in model container [2022-10-15 22:04:25,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:04:24" (1/1) ... [2022-10-15 22:04:25,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:04:25,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:04:25,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[14251,14264] [2022-10-15 22:04:25,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:04:25,579 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:04:25,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[14251,14264] [2022-10-15 22:04:26,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:04:26,096 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:04:26,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26 WrapperNode [2022-10-15 22:04:26,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:04:26,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:04:26,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:04:26,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:04:26,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,260 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1283 [2022-10-15 22:04:26,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:04:26,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:04:26,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:04:26,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:04:26,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:04:26,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:04:26,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:04:26,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:04:26,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (1/1) ... [2022-10-15 22:04:26,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:04:26,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:04:26,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:04:26,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:04:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:04:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:04:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:04:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:04:26,834 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:04:26,838 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:04:28,263 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:04:28,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:04:28,277 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:04:28,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:04:28 BoogieIcfgContainer [2022-10-15 22:04:28,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:04:28,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:04:28,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:04:28,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:04:28,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:04:24" (1/3) ... [2022-10-15 22:04:28,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d66f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:04:28, skipping insertion in model container [2022-10-15 22:04:28,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:26" (2/3) ... [2022-10-15 22:04:28,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d66f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:04:28, skipping insertion in model container [2022-10-15 22:04:28,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:04:28" (3/3) ... [2022-10-15 22:04:28,291 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:04:28,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:04:28,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 120 error locations. [2022-10-15 22:04:28,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:04:28,402 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;@16b85bdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:04:28,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-10-15 22:04:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 541 states, 420 states have (on average 1.8452380952380953) internal successors, (775), 540 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:04:28,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:28,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:28,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:28,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1074967117, now seen corresponding path program 1 times [2022-10-15 22:04:28,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:28,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583487981] [2022-10-15 22:04:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:28,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:29,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:29,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583487981] [2022-10-15 22:04:29,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583487981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:29,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:29,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:29,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981372063] [2022-10-15 22:04:29,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:29,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:29,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:29,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:29,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:29,142 INFO L87 Difference]: Start difference. First operand has 541 states, 420 states have (on average 1.8452380952380953) internal successors, (775), 540 states have internal predecessors, (775), 0 states have call successors, (0), 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 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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) [2022-10-15 22:04:29,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:29,768 INFO L93 Difference]: Finished difference Result 966 states and 1382 transitions. [2022-10-15 22:04:29,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:29,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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 52 [2022-10-15 22:04:29,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:29,797 INFO L225 Difference]: With dead ends: 966 [2022-10-15 22:04:29,798 INFO L226 Difference]: Without dead ends: 925 [2022-10-15 22:04:29,803 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 [2022-10-15 22:04:29,809 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 1319 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:29,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 1912 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:04:29,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-10-15 22:04:29,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 682. [2022-10-15 22:04:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 586 states have (on average 1.6075085324232081) internal successors, (942), 681 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 942 transitions. [2022-10-15 22:04:29,951 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 942 transitions. Word has length 52 [2022-10-15 22:04:29,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:29,951 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 942 transitions. [2022-10-15 22:04:29,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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) [2022-10-15 22:04:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 942 transitions. [2022-10-15 22:04:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:04:29,954 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:29,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:29,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:04:29,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:29,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:29,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1035757510, now seen corresponding path program 1 times [2022-10-15 22:04:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:29,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395908316] [2022-10-15 22:04:29,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:29,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:30,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:30,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395908316] [2022-10-15 22:04:30,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395908316] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:30,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:30,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:30,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996158707] [2022-10-15 22:04:30,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:30,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:30,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:30,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:30,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:30,196 INFO L87 Difference]: Start difference. First operand 682 states and 942 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 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) [2022-10-15 22:04:30,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:30,501 INFO L93 Difference]: Finished difference Result 882 states and 1215 transitions. [2022-10-15 22:04:30,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:30,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 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 53 [2022-10-15 22:04:30,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:30,509 INFO L225 Difference]: With dead ends: 882 [2022-10-15 22:04:30,510 INFO L226 Difference]: Without dead ends: 871 [2022-10-15 22:04:30,511 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 [2022-10-15 22:04:30,513 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 1421 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:30,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 846 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:30,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-10-15 22:04:30,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 833. [2022-10-15 22:04:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 743 states have (on average 1.613728129205922) internal successors, (1199), 832 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1199 transitions. [2022-10-15 22:04:30,573 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1199 transitions. Word has length 53 [2022-10-15 22:04:30,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:30,573 INFO L495 AbstractCegarLoop]: Abstraction has 833 states and 1199 transitions. [2022-10-15 22:04:30,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 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) [2022-10-15 22:04:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1199 transitions. [2022-10-15 22:04:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:04:30,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:30,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:30,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:04:30,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:30,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2043711505, now seen corresponding path program 1 times [2022-10-15 22:04:30,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:30,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549182581] [2022-10-15 22:04:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:30,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:30,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:30,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549182581] [2022-10-15 22:04:30,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549182581] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:30,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:30,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:30,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912215519] [2022-10-15 22:04:30,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:30,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:30,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:30,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:30,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:30,742 INFO L87 Difference]: Start difference. First operand 833 states and 1199 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:31,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:31,604 INFO L93 Difference]: Finished difference Result 1977 states and 2864 transitions. [2022-10-15 22:04:31,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:04:31,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 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 [2022-10-15 22:04:31,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:31,615 INFO L225 Difference]: With dead ends: 1977 [2022-10-15 22:04:31,616 INFO L226 Difference]: Without dead ends: 1589 [2022-10-15 22:04:31,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:04:31,621 INFO L413 NwaCegarLoop]: 1190 mSDtfsCounter, 1844 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 2983 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:31,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 2983 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:04:31,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-10-15 22:04:31,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1183. [2022-10-15 22:04:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1099 states have (on average 1.6214740673339398) internal successors, (1782), 1182 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1782 transitions. [2022-10-15 22:04:31,713 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1782 transitions. Word has length 54 [2022-10-15 22:04:31,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:31,715 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1782 transitions. [2022-10-15 22:04:31,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1782 transitions. [2022-10-15 22:04:31,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:04:31,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:31,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:31,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:04:31,718 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:31,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:31,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1069453020, now seen corresponding path program 1 times [2022-10-15 22:04:31,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:31,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988129425] [2022-10-15 22:04:31,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:31,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:31,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:31,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988129425] [2022-10-15 22:04:31,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988129425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:31,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:31,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:31,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471811138] [2022-10-15 22:04:31,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:31,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:31,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:31,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:31,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:31,866 INFO L87 Difference]: Start difference. First operand 1183 states and 1782 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:32,439 INFO L93 Difference]: Finished difference Result 1514 states and 2205 transitions. [2022-10-15 22:04:32,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:04:32,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-15 22:04:32,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:32,449 INFO L225 Difference]: With dead ends: 1514 [2022-10-15 22:04:32,450 INFO L226 Difference]: Without dead ends: 1503 [2022-10-15 22:04:32,451 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 [2022-10-15 22:04:32,462 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 2582 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:32,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 1173 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:04:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2022-10-15 22:04:32,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1423. [2022-10-15 22:04:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1423 states, 1345 states have (on average 1.6171003717472119) internal successors, (2175), 1422 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 2175 transitions. [2022-10-15 22:04:32,573 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 2175 transitions. Word has length 55 [2022-10-15 22:04:32,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:32,573 INFO L495 AbstractCegarLoop]: Abstraction has 1423 states and 2175 transitions. [2022-10-15 22:04:32,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2175 transitions. [2022-10-15 22:04:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:04:32,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:32,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:32,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:04:32,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:32,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:32,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1247176094, now seen corresponding path program 1 times [2022-10-15 22:04:32,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:32,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082796192] [2022-10-15 22:04:32,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:32,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:32,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:32,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082796192] [2022-10-15 22:04:32,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082796192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:32,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:32,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:32,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580619145] [2022-10-15 22:04:32,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:32,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:32,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:32,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:32,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:32,752 INFO L87 Difference]: Start difference. First operand 1423 states and 2175 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:33,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:33,282 INFO L93 Difference]: Finished difference Result 1868 states and 2849 transitions. [2022-10-15 22:04:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-15 22:04:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:33,299 INFO L225 Difference]: With dead ends: 1868 [2022-10-15 22:04:33,299 INFO L226 Difference]: Without dead ends: 1865 [2022-10-15 22:04:33,301 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 [2022-10-15 22:04:33,302 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 831 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:33,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 1505 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:33,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2022-10-15 22:04:33,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1420. [2022-10-15 22:04:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1345 states have (on average 1.6148698884758363) internal successors, (2172), 1419 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2172 transitions. [2022-10-15 22:04:33,415 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2172 transitions. Word has length 57 [2022-10-15 22:04:33,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:33,416 INFO L495 AbstractCegarLoop]: Abstraction has 1420 states and 2172 transitions. [2022-10-15 22:04:33,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2172 transitions. [2022-10-15 22:04:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:04:33,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:33,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:33,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:04:33,418 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:33,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:33,419 INFO L85 PathProgramCache]: Analyzing trace with hash 7753492, now seen corresponding path program 1 times [2022-10-15 22:04:33,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:33,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326539275] [2022-10-15 22:04:33,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:33,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:33,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:33,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326539275] [2022-10-15 22:04:33,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326539275] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:33,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:33,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:33,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276924417] [2022-10-15 22:04:33,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:33,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:33,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:33,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:33,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:33,538 INFO L87 Difference]: Start difference. First operand 1420 states and 2172 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:34,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:34,000 INFO L93 Difference]: Finished difference Result 2199 states and 3417 transitions. [2022-10-15 22:04:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:34,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 22:04:34,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:34,014 INFO L225 Difference]: With dead ends: 2199 [2022-10-15 22:04:34,015 INFO L226 Difference]: Without dead ends: 2194 [2022-10-15 22:04:34,016 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 [2022-10-15 22:04:34,017 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 1109 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:34,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 991 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:34,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2022-10-15 22:04:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 2146. [2022-10-15 22:04:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2074 states have (on average 1.634522661523626) internal successors, (3390), 2145 states have internal predecessors, (3390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 3390 transitions. [2022-10-15 22:04:34,182 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 3390 transitions. Word has length 58 [2022-10-15 22:04:34,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:34,182 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 3390 transitions. [2022-10-15 22:04:34,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 3390 transitions. [2022-10-15 22:04:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:04:34,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:34,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:34,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:04:34,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:34,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1138820938, now seen corresponding path program 1 times [2022-10-15 22:04:34,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:34,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652300097] [2022-10-15 22:04:34,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:34,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:34,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:34,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652300097] [2022-10-15 22:04:34,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652300097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:34,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:34,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:34,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229338079] [2022-10-15 22:04:34,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:34,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:34,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:34,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:34,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:34,318 INFO L87 Difference]: Start difference. First operand 2146 states and 3390 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:34,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:34,817 INFO L93 Difference]: Finished difference Result 3327 states and 5304 transitions. [2022-10-15 22:04:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:34,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-15 22:04:34,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:34,841 INFO L225 Difference]: With dead ends: 3327 [2022-10-15 22:04:34,841 INFO L226 Difference]: Without dead ends: 3323 [2022-10-15 22:04:34,843 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 [2022-10-15 22:04:34,846 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 1100 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:34,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 805 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:34,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2022-10-15 22:04:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3303. [2022-10-15 22:04:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 3234 states have (on average 1.6261595547309833) internal successors, (5259), 3302 states have internal predecessors, (5259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 5259 transitions. [2022-10-15 22:04:35,195 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 5259 transitions. Word has length 60 [2022-10-15 22:04:35,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:35,196 INFO L495 AbstractCegarLoop]: Abstraction has 3303 states and 5259 transitions. [2022-10-15 22:04:35,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 5259 transitions. [2022-10-15 22:04:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:04:35,197 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:35,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:35,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:04:35,198 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:35,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:35,199 INFO L85 PathProgramCache]: Analyzing trace with hash -943710461, now seen corresponding path program 1 times [2022-10-15 22:04:35,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:35,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232241934] [2022-10-15 22:04:35,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:35,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:35,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:35,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232241934] [2022-10-15 22:04:35,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232241934] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:35,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:35,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:35,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596121969] [2022-10-15 22:04:35,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:35,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:35,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:35,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:35,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:35,322 INFO L87 Difference]: Start difference. First operand 3303 states and 5259 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:36,253 INFO L93 Difference]: Finished difference Result 5889 states and 9478 transitions. [2022-10-15 22:04:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:36,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-15 22:04:36,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:36,295 INFO L225 Difference]: With dead ends: 5889 [2022-10-15 22:04:36,295 INFO L226 Difference]: Without dead ends: 5884 [2022-10-15 22:04:36,302 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 [2022-10-15 22:04:36,303 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1394 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:36,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 690 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:04:36,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2022-10-15 22:04:36,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 5828. [2022-10-15 22:04:36,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5828 states, 5762 states have (on average 1.6339812565081568) internal successors, (9415), 5827 states have internal predecessors, (9415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5828 states to 5828 states and 9415 transitions. [2022-10-15 22:04:36,914 INFO L78 Accepts]: Start accepts. Automaton has 5828 states and 9415 transitions. Word has length 61 [2022-10-15 22:04:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:36,914 INFO L495 AbstractCegarLoop]: Abstraction has 5828 states and 9415 transitions. [2022-10-15 22:04:36,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5828 states and 9415 transitions. [2022-10-15 22:04:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:04:36,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:36,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:36,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:04:36,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:36,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:36,918 INFO L85 PathProgramCache]: Analyzing trace with hash -667645499, now seen corresponding path program 1 times [2022-10-15 22:04:36,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:36,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283174460] [2022-10-15 22:04:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:36,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:37,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:37,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283174460] [2022-10-15 22:04:37,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283174460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:37,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:37,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:37,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644616368] [2022-10-15 22:04:37,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:37,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:37,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:37,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:37,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:37,028 INFO L87 Difference]: Start difference. First operand 5828 states and 9415 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:38,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:38,143 INFO L93 Difference]: Finished difference Result 10786 states and 17544 transitions. [2022-10-15 22:04:38,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:38,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-15 22:04:38,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:38,213 INFO L225 Difference]: With dead ends: 10786 [2022-10-15 22:04:38,214 INFO L226 Difference]: Without dead ends: 10783 [2022-10-15 22:04:38,219 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 [2022-10-15 22:04:38,220 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 836 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:38,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1058 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:38,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10783 states. [2022-10-15 22:04:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10783 to 5825. [2022-10-15 22:04:39,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5825 states, 5762 states have (on average 1.6334606039569595) internal successors, (9412), 5824 states have internal predecessors, (9412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5825 states to 5825 states and 9412 transitions. [2022-10-15 22:04:39,032 INFO L78 Accepts]: Start accepts. Automaton has 5825 states and 9412 transitions. Word has length 63 [2022-10-15 22:04:39,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:39,032 INFO L495 AbstractCegarLoop]: Abstraction has 5825 states and 9412 transitions. [2022-10-15 22:04:39,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5825 states and 9412 transitions. [2022-10-15 22:04:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:04:39,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:39,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:39,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:04:39,034 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:39,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:39,035 INFO L85 PathProgramCache]: Analyzing trace with hash 777826267, now seen corresponding path program 1 times [2022-10-15 22:04:39,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:39,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846894497] [2022-10-15 22:04:39,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:39,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:39,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:39,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846894497] [2022-10-15 22:04:39,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846894497] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:39,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:39,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:39,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091780514] [2022-10-15 22:04:39,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:39,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:39,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:39,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:39,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:39,139 INFO L87 Difference]: Start difference. First operand 5825 states and 9412 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) [2022-10-15 22:04:40,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:40,801 INFO L93 Difference]: Finished difference Result 11168 states and 18171 transitions. [2022-10-15 22:04:40,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:40,802 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 64 [2022-10-15 22:04:40,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:40,844 INFO L225 Difference]: With dead ends: 11168 [2022-10-15 22:04:40,844 INFO L226 Difference]: Without dead ends: 11163 [2022-10-15 22:04:40,851 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 [2022-10-15 22:04:40,852 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 1336 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:40,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 819 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:40,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11163 states. [2022-10-15 22:04:42,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11163 to 11063. [2022-10-15 22:04:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11063 states, 11003 states have (on average 1.6380987003544487) internal successors, (18024), 11062 states have internal predecessors, (18024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11063 states to 11063 states and 18024 transitions. [2022-10-15 22:04:42,151 INFO L78 Accepts]: Start accepts. Automaton has 11063 states and 18024 transitions. Word has length 64 [2022-10-15 22:04:42,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:42,152 INFO L495 AbstractCegarLoop]: Abstraction has 11063 states and 18024 transitions. [2022-10-15 22:04:42,153 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) [2022-10-15 22:04:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 11063 states and 18024 transitions. [2022-10-15 22:04:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:04:42,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:42,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:42,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:04:42,155 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:42,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:42,156 INFO L85 PathProgramCache]: Analyzing trace with hash -616032503, now seen corresponding path program 1 times [2022-10-15 22:04:42,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:42,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342480944] [2022-10-15 22:04:42,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:42,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:42,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:42,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342480944] [2022-10-15 22:04:42,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342480944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:42,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:42,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:42,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309649520] [2022-10-15 22:04:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:42,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:42,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:42,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:42,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:42,284 INFO L87 Difference]: Start difference. First operand 11063 states and 18024 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:44,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:44,641 INFO L93 Difference]: Finished difference Result 23968 states and 39244 transitions. [2022-10-15 22:04:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:44,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 [2022-10-15 22:04:44,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:44,725 INFO L225 Difference]: With dead ends: 23968 [2022-10-15 22:04:44,726 INFO L226 Difference]: Without dead ends: 23961 [2022-10-15 22:04:44,737 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 [2022-10-15 22:04:44,738 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1322 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:44,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 1093 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:44,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23961 states. [2022-10-15 22:04:46,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23961 to 15012. [2022-10-15 22:04:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15012 states, 14955 states have (on average 1.6393848211300568) internal successors, (24517), 15011 states have internal predecessors, (24517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15012 states to 15012 states and 24517 transitions. [2022-10-15 22:04:46,303 INFO L78 Accepts]: Start accepts. Automaton has 15012 states and 24517 transitions. Word has length 74 [2022-10-15 22:04:46,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:46,303 INFO L495 AbstractCegarLoop]: Abstraction has 15012 states and 24517 transitions. [2022-10-15 22:04:46,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 15012 states and 24517 transitions. [2022-10-15 22:04:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:04:46,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:46,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:46,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:04:46,309 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:46,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:46,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1917138122, now seen corresponding path program 1 times [2022-10-15 22:04:46,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:46,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587650835] [2022-10-15 22:04:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:46,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:46,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:46,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587650835] [2022-10-15 22:04:46,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587650835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:46,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:46,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:46,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975899420] [2022-10-15 22:04:46,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:46,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:46,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:46,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:46,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:46,436 INFO L87 Difference]: Start difference. First operand 15012 states and 24517 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) [2022-10-15 22:04:48,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:48,951 INFO L93 Difference]: Finished difference Result 24107 states and 39438 transitions. [2022-10-15 22:04:48,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:48,951 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 75 [2022-10-15 22:04:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:49,010 INFO L225 Difference]: With dead ends: 24107 [2022-10-15 22:04:49,011 INFO L226 Difference]: Without dead ends: 24100 [2022-10-15 22:04:49,022 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 [2022-10-15 22:04:49,023 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 1338 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:49,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 851 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:49,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24100 states. [2022-10-15 22:04:51,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24100 to 24064. [2022-10-15 22:04:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24064 states, 24010 states have (on average 1.6353602665556017) internal successors, (39265), 24063 states have internal predecessors, (39265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24064 states to 24064 states and 39265 transitions. [2022-10-15 22:04:51,637 INFO L78 Accepts]: Start accepts. Automaton has 24064 states and 39265 transitions. Word has length 75 [2022-10-15 22:04:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:51,637 INFO L495 AbstractCegarLoop]: Abstraction has 24064 states and 39265 transitions. [2022-10-15 22:04:51,638 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) [2022-10-15 22:04:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24064 states and 39265 transitions. [2022-10-15 22:04:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:04:51,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:51,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:51,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:04:51,641 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:04:51,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:51,641 INFO L85 PathProgramCache]: Analyzing trace with hash 698260651, now seen corresponding path program 1 times [2022-10-15 22:04:51,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:51,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902998903] [2022-10-15 22:04:51,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:51,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:51,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902998903] [2022-10-15 22:04:51,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902998903] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:51,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:51,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:51,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352410438] [2022-10-15 22:04:51,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:51,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:51,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:51,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:51,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:51,814 INFO L87 Difference]: Start difference. First operand 24064 states and 39265 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 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) [2022-10-15 22:04:57,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:57,743 INFO L93 Difference]: Finished difference Result 81336 states and 133133 transitions. [2022-10-15 22:04:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:04:57,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 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 [2022-10-15 22:04:57,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:57,917 INFO L225 Difference]: With dead ends: 81336 [2022-10-15 22:04:57,917 INFO L226 Difference]: Without dead ends: 57883 [2022-10-15 22:04:57,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:04:57,984 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 2204 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 1852 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:57,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2204 Valid, 1852 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:04:58,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57883 states. [2022-10-15 22:05:02,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57883 to 42300. [2022-10-15 22:05:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42300 states, 42249 states have (on average 1.6307368221733058) internal successors, (68897), 42299 states have internal predecessors, (68897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42300 states to 42300 states and 68897 transitions. [2022-10-15 22:05:03,066 INFO L78 Accepts]: Start accepts. Automaton has 42300 states and 68897 transitions. Word has length 76 [2022-10-15 22:05:03,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:03,067 INFO L495 AbstractCegarLoop]: Abstraction has 42300 states and 68897 transitions. [2022-10-15 22:05:03,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 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) [2022-10-15 22:05:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 42300 states and 68897 transitions. [2022-10-15 22:05:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:05:03,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:03,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:03,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:05:03,069 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:03,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:03,070 INFO L85 PathProgramCache]: Analyzing trace with hash 171243992, now seen corresponding path program 1 times [2022-10-15 22:05:03,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:03,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010822] [2022-10-15 22:05:03,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:03,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:03,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:03,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010822] [2022-10-15 22:05:03,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:03,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:03,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:05:03,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354487628] [2022-10-15 22:05:03,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:03,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:05:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:03,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:05:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:03,243 INFO L87 Difference]: Start difference. First operand 42300 states and 68897 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) [2022-10-15 22:05:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:09,442 INFO L93 Difference]: Finished difference Result 58696 states and 95742 transitions. [2022-10-15 22:05:09,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:05:09,445 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 77 [2022-10-15 22:05:09,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:09,638 INFO L225 Difference]: With dead ends: 58696 [2022-10-15 22:05:09,638 INFO L226 Difference]: Without dead ends: 58689 [2022-10-15 22:05:09,661 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 [2022-10-15 22:05:09,662 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 2581 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:09,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 1256 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:05:09,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58689 states. [2022-10-15 22:05:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58689 to 58596. [2022-10-15 22:05:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58596 states, 58548 states have (on average 1.6261358201817313) internal successors, (95207), 58595 states have internal predecessors, (95207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58596 states to 58596 states and 95207 transitions. [2022-10-15 22:05:16,116 INFO L78 Accepts]: Start accepts. Automaton has 58596 states and 95207 transitions. Word has length 77 [2022-10-15 22:05:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:16,116 INFO L495 AbstractCegarLoop]: Abstraction has 58596 states and 95207 transitions. [2022-10-15 22:05:16,117 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) [2022-10-15 22:05:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 58596 states and 95207 transitions. [2022-10-15 22:05:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-10-15 22:05:16,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:16,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:16,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:05:16,123 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:16,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:16,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1048122958, now seen corresponding path program 1 times [2022-10-15 22:05:16,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:16,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542128961] [2022-10-15 22:05:16,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:16,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:16,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:16,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542128961] [2022-10-15 22:05:16,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542128961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:16,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:16,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:16,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765507078] [2022-10-15 22:05:16,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:16,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:16,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:16,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:16,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:16,325 INFO L87 Difference]: Start difference. First operand 58596 states and 95207 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)