/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:18:11,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:18:11,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:18:11,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:18:11,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:18:11,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:18:11,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:18:11,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:18:11,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:18:11,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:18:11,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:18:11,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:18:11,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:18:11,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:18:11,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:18:11,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:18:11,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:18:11,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:18:11,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:18:11,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:18:11,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:18:11,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:18:11,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:18:11,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:18:11,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:18:11,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:18:11,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:18:11,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:18:11,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:18:11,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:18:11,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:18:11,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:18:11,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:18:11,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:18:11,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:18:11,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:18:11,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:18:11,416 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:18:11,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:18:11,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:18:11,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:18:11,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:18:11,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:18:11,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:18:11,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:18:11,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:18:11,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:18:11,418 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:18:11,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:18:11,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:18:11,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:18:11,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:18:11,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:18:11,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:18:11,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:18:11,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:18:11,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:18:11,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:18:11,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:18:11,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:18:11,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:18:11,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:18:11,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:18:11,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:18:11,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:18:11,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:18:11,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:18:11,838 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:18:11,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:18:11,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0213e010/bfa40dd9e557474faa4ade417bc3f1ca/FLAG4a5deb58f [2022-10-16 16:18:12,665 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:18:12,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:18:12,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0213e010/bfa40dd9e557474faa4ade417bc3f1ca/FLAG4a5deb58f [2022-10-16 16:18:13,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0213e010/bfa40dd9e557474faa4ade417bc3f1ca [2022-10-16 16:18:13,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:18:13,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:18:13,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:18:13,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:18:13,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:18:13,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c8e5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13, skipping insertion in model container [2022-10-16 16:18:13,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:18:13,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:18:13,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4067,4080] [2022-10-16 16:18:13,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:18:13,355 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:18:13,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4067,4080] [2022-10-16 16:18:13,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:18:13,430 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:18:13,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13 WrapperNode [2022-10-16 16:18:13,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:18:13,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:18:13,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:18:13,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:18:13,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,491 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 286 [2022-10-16 16:18:13,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:18:13,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:18:13,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:18:13,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:18:13,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:18:13,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:18:13,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:18:13,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:18:13,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (1/1) ... [2022-10-16 16:18:13,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:18:13,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:13,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:18:13,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:18:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:18:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:18:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:18:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:18:13,904 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:18:13,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:18:14,407 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:18:14,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:18:14,425 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:18:14,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:18:14 BoogieIcfgContainer [2022-10-16 16:18:14,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:18:14,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:18:14,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:18:14,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:18:14,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:18:13" (1/3) ... [2022-10-16 16:18:14,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f67d4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:18:14, skipping insertion in model container [2022-10-16 16:18:14,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:18:13" (2/3) ... [2022-10-16 16:18:14,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f67d4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:18:14, skipping insertion in model container [2022-10-16 16:18:14,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:18:14" (3/3) ... [2022-10-16 16:18:14,459 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:18:14,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:18:14,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 16:18:14,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:18:14,616 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;@58b13428, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:18:14,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 16:18:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 75 states have (on average 1.7733333333333334) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 16:18:14,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:14,648 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] [2022-10-16 16:18:14,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:14,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:14,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1474878848, now seen corresponding path program 1 times [2022-10-16 16:18:14,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:14,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131461463] [2022-10-16 16:18:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:14,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:15,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131461463] [2022-10-16 16:18:15,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131461463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:15,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:15,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:15,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682086754] [2022-10-16 16:18:15,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:15,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:15,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:15,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:15,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:15,238 INFO L87 Difference]: Start difference. First operand has 92 states, 75 states have (on average 1.7733333333333334) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:15,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:15,323 INFO L93 Difference]: Finished difference Result 226 states and 310 transitions. [2022-10-16 16:18:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:15,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-10-16 16:18:15,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:15,341 INFO L225 Difference]: With dead ends: 226 [2022-10-16 16:18:15,341 INFO L226 Difference]: Without dead ends: 147 [2022-10-16 16:18:15,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:15,350 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 94 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:15,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 301 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:15,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-10-16 16:18:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 133. [2022-10-16 16:18:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 117 states have (on average 1.5982905982905984) internal successors, (187), 132 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 187 transitions. [2022-10-16 16:18:15,417 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 187 transitions. Word has length 22 [2022-10-16 16:18:15,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:15,418 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 187 transitions. [2022-10-16 16:18:15,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 187 transitions. [2022-10-16 16:18:15,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 16:18:15,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:15,420 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] [2022-10-16 16:18:15,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:18:15,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:15,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:15,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1066362027, now seen corresponding path program 1 times [2022-10-16 16:18:15,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:15,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364231687] [2022-10-16 16:18:15,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:15,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:15,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:15,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364231687] [2022-10-16 16:18:15,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364231687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:15,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:15,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:15,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816712961] [2022-10-16 16:18:15,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:15,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:15,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:15,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:15,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:15,545 INFO L87 Difference]: Start difference. First operand 133 states and 187 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:15,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:15,618 INFO L93 Difference]: Finished difference Result 345 states and 497 transitions. [2022-10-16 16:18:15,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:15,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 16:18:15,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:15,622 INFO L225 Difference]: With dead ends: 345 [2022-10-16 16:18:15,622 INFO L226 Difference]: Without dead ends: 231 [2022-10-16 16:18:15,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:15,626 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 78 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:15,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 272 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-10-16 16:18:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 215. [2022-10-16 16:18:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 199 states have (on average 1.64321608040201) internal successors, (327), 214 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 327 transitions. [2022-10-16 16:18:15,687 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 327 transitions. Word has length 34 [2022-10-16 16:18:15,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:15,691 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 327 transitions. [2022-10-16 16:18:15,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 327 transitions. [2022-10-16 16:18:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 16:18:15,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:15,694 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] [2022-10-16 16:18:15,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:18:15,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:15,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1105026260, now seen corresponding path program 1 times [2022-10-16 16:18:15,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:15,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898533187] [2022-10-16 16:18:15,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:15,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:15,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:15,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898533187] [2022-10-16 16:18:15,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898533187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:15,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:15,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:15,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936141383] [2022-10-16 16:18:15,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:15,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:15,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:15,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:15,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:15,858 INFO L87 Difference]: Start difference. First operand 215 states and 327 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:15,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:15,943 INFO L93 Difference]: Finished difference Result 575 states and 891 transitions. [2022-10-16 16:18:15,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:15,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-10-16 16:18:15,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:15,953 INFO L225 Difference]: With dead ends: 575 [2022-10-16 16:18:15,953 INFO L226 Difference]: Without dead ends: 379 [2022-10-16 16:18:15,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:15,968 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 73 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:15,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 268 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:15,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-10-16 16:18:16,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 363. [2022-10-16 16:18:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 347 states have (on average 1.6685878962536023) internal successors, (579), 362 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 579 transitions. [2022-10-16 16:18:16,067 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 579 transitions. Word has length 35 [2022-10-16 16:18:16,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:16,068 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 579 transitions. [2022-10-16 16:18:16,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 579 transitions. [2022-10-16 16:18:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 16:18:16,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:16,073 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] [2022-10-16 16:18:16,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:18:16,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:16,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:16,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1826037294, now seen corresponding path program 1 times [2022-10-16 16:18:16,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:16,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154509098] [2022-10-16 16:18:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:16,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:16,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:16,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154509098] [2022-10-16 16:18:16,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154509098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:16,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:16,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:16,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435977158] [2022-10-16 16:18:16,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:16,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:16,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:16,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:16,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:16,239 INFO L87 Difference]: Start difference. First operand 363 states and 579 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:16,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:16,467 INFO L93 Difference]: Finished difference Result 1048 states and 1699 transitions. [2022-10-16 16:18:16,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:16,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-16 16:18:16,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:16,475 INFO L225 Difference]: With dead ends: 1048 [2022-10-16 16:18:16,475 INFO L226 Difference]: Without dead ends: 1045 [2022-10-16 16:18:16,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:16,489 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 264 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:16,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 227 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-10-16 16:18:16,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 691. [2022-10-16 16:18:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 675 states have (on average 1.651851851851852) internal successors, (1115), 690 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:16,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1115 transitions. [2022-10-16 16:18:16,580 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1115 transitions. Word has length 36 [2022-10-16 16:18:16,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:16,580 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 1115 transitions. [2022-10-16 16:18:16,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1115 transitions. [2022-10-16 16:18:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 16:18:16,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:16,583 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] [2022-10-16 16:18:16,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:18:16,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:16,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:16,585 INFO L85 PathProgramCache]: Analyzing trace with hash -772581132, now seen corresponding path program 1 times [2022-10-16 16:18:16,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:16,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036160348] [2022-10-16 16:18:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:16,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:16,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:16,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036160348] [2022-10-16 16:18:16,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036160348] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:16,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:16,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:16,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507296302] [2022-10-16 16:18:16,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:16,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:16,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:16,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:16,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:16,749 INFO L87 Difference]: Start difference. First operand 691 states and 1115 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:16,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:16,942 INFO L93 Difference]: Finished difference Result 1032 states and 1675 transitions. [2022-10-16 16:18:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:16,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-16 16:18:16,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:16,949 INFO L225 Difference]: With dead ends: 1032 [2022-10-16 16:18:16,950 INFO L226 Difference]: Without dead ends: 1029 [2022-10-16 16:18:16,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:16,952 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 263 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:16,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 150 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:16,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-10-16 16:18:17,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1019. [2022-10-16 16:18:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1003 states have (on average 1.6221335992023929) internal successors, (1627), 1018 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1627 transitions. [2022-10-16 16:18:17,069 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1627 transitions. Word has length 37 [2022-10-16 16:18:17,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:17,070 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 1627 transitions. [2022-10-16 16:18:17,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1627 transitions. [2022-10-16 16:18:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 16:18:17,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:17,071 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] [2022-10-16 16:18:17,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:18:17,072 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:17,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:17,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1819788820, now seen corresponding path program 1 times [2022-10-16 16:18:17,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:17,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909615217] [2022-10-16 16:18:17,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:17,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:17,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:17,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909615217] [2022-10-16 16:18:17,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909615217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:17,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:17,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:17,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695094848] [2022-10-16 16:18:17,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:17,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:17,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:17,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:17,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:17,177 INFO L87 Difference]: Start difference. First operand 1019 states and 1627 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:17,733 INFO L93 Difference]: Finished difference Result 3703 states and 5915 transitions. [2022-10-16 16:18:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:18:17,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-16 16:18:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:17,751 INFO L225 Difference]: With dead ends: 3703 [2022-10-16 16:18:17,751 INFO L226 Difference]: Without dead ends: 2703 [2022-10-16 16:18:17,754 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 [2022-10-16 16:18:17,755 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 537 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:17,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 497 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:17,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2703 states. [2022-10-16 16:18:17,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2703 to 2003. [2022-10-16 16:18:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 1987 states have (on average 1.5676899849018622) internal successors, (3115), 2002 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3115 transitions. [2022-10-16 16:18:18,002 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3115 transitions. Word has length 38 [2022-10-16 16:18:18,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:18,003 INFO L495 AbstractCegarLoop]: Abstraction has 2003 states and 3115 transitions. [2022-10-16 16:18:18,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3115 transitions. [2022-10-16 16:18:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:18:18,004 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:18,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:18,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:18:18,005 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:18,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:18,005 INFO L85 PathProgramCache]: Analyzing trace with hash 578878710, now seen corresponding path program 1 times [2022-10-16 16:18:18,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:18,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630684725] [2022-10-16 16:18:18,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:18,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:18,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:18,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630684725] [2022-10-16 16:18:18,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630684725] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:18,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:18,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:18,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393035246] [2022-10-16 16:18:18,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:18,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:18,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:18,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:18,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:18,136 INFO L87 Difference]: Start difference. First operand 2003 states and 3115 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:18,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:18,567 INFO L93 Difference]: Finished difference Result 2686 states and 4211 transitions. [2022-10-16 16:18:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:18:18,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-16 16:18:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:18,583 INFO L225 Difference]: With dead ends: 2686 [2022-10-16 16:18:18,584 INFO L226 Difference]: Without dead ends: 2683 [2022-10-16 16:18:18,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:18:18,586 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 572 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:18,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 270 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:18,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2022-10-16 16:18:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2659. [2022-10-16 16:18:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2659 states, 2643 states have (on average 1.5387816874763527) internal successors, (4067), 2658 states have internal predecessors, (4067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 4067 transitions. [2022-10-16 16:18:18,865 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 4067 transitions. Word has length 39 [2022-10-16 16:18:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:18,865 INFO L495 AbstractCegarLoop]: Abstraction has 2659 states and 4067 transitions. [2022-10-16 16:18:18,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 4067 transitions. [2022-10-16 16:18:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:18:18,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:18,867 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] [2022-10-16 16:18:18,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:18:18,867 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:18,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1294007811, now seen corresponding path program 1 times [2022-10-16 16:18:18,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:18,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228853937] [2022-10-16 16:18:18,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:18,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:18,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:18,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228853937] [2022-10-16 16:18:18,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228853937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:18,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:18,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:18,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133694894] [2022-10-16 16:18:18,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:18,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:18,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:18,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:18,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:18,941 INFO L87 Difference]: Start difference. First operand 2659 states and 4067 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:19,266 INFO L93 Difference]: Finished difference Result 6037 states and 9221 transitions. [2022-10-16 16:18:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-16 16:18:19,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:19,288 INFO L225 Difference]: With dead ends: 6037 [2022-10-16 16:18:19,289 INFO L226 Difference]: Without dead ends: 3397 [2022-10-16 16:18:19,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:19,294 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 49 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:19,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 192 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:19,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-10-16 16:18:19,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3369. [2022-10-16 16:18:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 3353 states have (on average 1.5165523411869968) internal successors, (5085), 3368 states have internal predecessors, (5085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:19,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 5085 transitions. [2022-10-16 16:18:19,642 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 5085 transitions. Word has length 45 [2022-10-16 16:18:19,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:19,644 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 5085 transitions. [2022-10-16 16:18:19,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 5085 transitions. [2022-10-16 16:18:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:18:19,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:19,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:19,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:18:19,658 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:19,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:19,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1597461336, now seen corresponding path program 1 times [2022-10-16 16:18:19,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:19,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585050181] [2022-10-16 16:18:19,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:19,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:19,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:19,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585050181] [2022-10-16 16:18:19,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585050181] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:19,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:19,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:18:19,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316039840] [2022-10-16 16:18:19,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:19,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:19,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:19,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:19,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:19,954 INFO L87 Difference]: Start difference. First operand 3369 states and 5085 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:20,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:20,396 INFO L93 Difference]: Finished difference Result 6727 states and 10149 transitions. [2022-10-16 16:18:20,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:20,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 16:18:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:20,417 INFO L225 Difference]: With dead ends: 6727 [2022-10-16 16:18:20,418 INFO L226 Difference]: Without dead ends: 3379 [2022-10-16 16:18:20,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:18:20,428 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 125 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:20,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 291 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:20,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2022-10-16 16:18:20,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3369. [2022-10-16 16:18:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 3353 states have (on average 1.5070086489710708) internal successors, (5053), 3368 states have internal predecessors, (5053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:20,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 5053 transitions. [2022-10-16 16:18:20,777 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 5053 transitions. Word has length 49 [2022-10-16 16:18:20,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:20,778 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 5053 transitions. [2022-10-16 16:18:20,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:20,778 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 5053 transitions. [2022-10-16 16:18:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:18:20,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:20,779 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] [2022-10-16 16:18:20,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:18:20,780 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:20,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:20,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2020217470, now seen corresponding path program 1 times [2022-10-16 16:18:20,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:20,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516169819] [2022-10-16 16:18:20,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:20,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:20,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:20,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516169819] [2022-10-16 16:18:20,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516169819] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:20,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:20,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:18:20,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116230206] [2022-10-16 16:18:20,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:20,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:20,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:20,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:20,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:20,874 INFO L87 Difference]: Start difference. First operand 3369 states and 5053 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:21,150 INFO L93 Difference]: Finished difference Result 3404 states and 5094 transitions. [2022-10-16 16:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:21,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 16:18:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:21,170 INFO L225 Difference]: With dead ends: 3404 [2022-10-16 16:18:21,170 INFO L226 Difference]: Without dead ends: 3402 [2022-10-16 16:18:21,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:21,172 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 10 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:21,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 211 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:21,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2022-10-16 16:18:21,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3402. [2022-10-16 16:18:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3402 states, 3386 states have (on average 1.5038393384524513) internal successors, (5092), 3401 states have internal predecessors, (5092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 5092 transitions. [2022-10-16 16:18:21,510 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 5092 transitions. Word has length 50 [2022-10-16 16:18:21,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:21,510 INFO L495 AbstractCegarLoop]: Abstraction has 3402 states and 5092 transitions. [2022-10-16 16:18:21,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 5092 transitions. [2022-10-16 16:18:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:18:21,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:21,512 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:21,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:18:21,513 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:21,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1087747714, now seen corresponding path program 1 times [2022-10-16 16:18:21,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:21,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140205251] [2022-10-16 16:18:21,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:21,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:21,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:21,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140205251] [2022-10-16 16:18:21,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140205251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:21,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:21,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:18:21,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842947196] [2022-10-16 16:18:21,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:21,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:21,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:21,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:21,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:21,596 INFO L87 Difference]: Start difference. First operand 3402 states and 5092 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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) [2022-10-16 16:18:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:21,863 INFO L93 Difference]: Finished difference Result 3402 states and 5092 transitions. [2022-10-16 16:18:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:21,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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 55 [2022-10-16 16:18:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:21,882 INFO L225 Difference]: With dead ends: 3402 [2022-10-16 16:18:21,883 INFO L226 Difference]: Without dead ends: 3401 [2022-10-16 16:18:21,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:21,885 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:21,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 103 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:21,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2022-10-16 16:18:22,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3401. [2022-10-16 16:18:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3401 states, 3386 states have (on average 1.494388659184879) internal successors, (5060), 3400 states have internal predecessors, (5060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:22,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 5060 transitions. [2022-10-16 16:18:22,197 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 5060 transitions. Word has length 55 [2022-10-16 16:18:22,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:22,198 INFO L495 AbstractCegarLoop]: Abstraction has 3401 states and 5060 transitions. [2022-10-16 16:18:22,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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) [2022-10-16 16:18:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 5060 transitions. [2022-10-16 16:18:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:18:22,200 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:22,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:22,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:18:22,201 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:22,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1703706015, now seen corresponding path program 1 times [2022-10-16 16:18:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:22,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540623759] [2022-10-16 16:18:22,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:18:22,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:22,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540623759] [2022-10-16 16:18:22,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540623759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:22,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:22,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:22,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936822579] [2022-10-16 16:18:22,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:22,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:22,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:22,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:22,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:22,330 INFO L87 Difference]: Start difference. First operand 3401 states and 5060 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:22,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:22,779 INFO L93 Difference]: Finished difference Result 4403 states and 6560 transitions. [2022-10-16 16:18:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:22,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 16:18:22,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:22,802 INFO L225 Difference]: With dead ends: 4403 [2022-10-16 16:18:22,803 INFO L226 Difference]: Without dead ends: 4400 [2022-10-16 16:18:22,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:22,805 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 125 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:22,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 290 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:22,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states. [2022-10-16 16:18:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 3445. [2022-10-16 16:18:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 3430 states have (on average 1.503206997084548) internal successors, (5156), 3444 states have internal predecessors, (5156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 5156 transitions. [2022-10-16 16:18:23,129 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 5156 transitions. Word has length 68 [2022-10-16 16:18:23,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:23,129 INFO L495 AbstractCegarLoop]: Abstraction has 3445 states and 5156 transitions. [2022-10-16 16:18:23,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 5156 transitions. [2022-10-16 16:18:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:18:23,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:23,131 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:23,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:18:23,132 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:23,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash 262940470, now seen corresponding path program 1 times [2022-10-16 16:18:23,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:23,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876877035] [2022-10-16 16:18:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:23,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:23,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:23,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876877035] [2022-10-16 16:18:23,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876877035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:23,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:23,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:23,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138395874] [2022-10-16 16:18:23,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:23,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:23,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:23,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:23,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:23,274 INFO L87 Difference]: Start difference. First operand 3445 states and 5156 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:23,854 INFO L93 Difference]: Finished difference Result 5390 states and 8036 transitions. [2022-10-16 16:18:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 16:18:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:23,870 INFO L225 Difference]: With dead ends: 5390 [2022-10-16 16:18:23,871 INFO L226 Difference]: Without dead ends: 5387 [2022-10-16 16:18:23,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:23,874 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 122 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:23,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 297 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:23,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5387 states. [2022-10-16 16:18:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5387 to 5369. [2022-10-16 16:18:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5369 states, 5354 states have (on average 1.4874859917818453) internal successors, (7964), 5368 states have internal predecessors, (7964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 5369 states and 7964 transitions. [2022-10-16 16:18:24,413 INFO L78 Accepts]: Start accepts. Automaton has 5369 states and 7964 transitions. Word has length 69 [2022-10-16 16:18:24,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:24,414 INFO L495 AbstractCegarLoop]: Abstraction has 5369 states and 7964 transitions. [2022-10-16 16:18:24,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 7964 transitions. [2022-10-16 16:18:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:18:24,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:24,416 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:24,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:18:24,416 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:24,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:24,417 INFO L85 PathProgramCache]: Analyzing trace with hash -438779888, now seen corresponding path program 1 times [2022-10-16 16:18:24,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:24,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067359590] [2022-10-16 16:18:24,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:24,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:24,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:24,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067359590] [2022-10-16 16:18:24,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067359590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:24,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:24,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:24,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84401325] [2022-10-16 16:18:24,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:24,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:24,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:24,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:24,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:24,529 INFO L87 Difference]: Start difference. First operand 5369 states and 7964 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:24,990 INFO L93 Difference]: Finished difference Result 5378 states and 7964 transitions. [2022-10-16 16:18:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:24,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:18:24,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:25,003 INFO L225 Difference]: With dead ends: 5378 [2022-10-16 16:18:25,003 INFO L226 Difference]: Without dead ends: 5375 [2022-10-16 16:18:25,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:25,006 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 131 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:25,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 218 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:25,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2022-10-16 16:18:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5366. [2022-10-16 16:18:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5366 states, 5354 states have (on average 1.460590212924916) internal successors, (7820), 5365 states have internal predecessors, (7820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5366 states to 5366 states and 7820 transitions. [2022-10-16 16:18:25,452 INFO L78 Accepts]: Start accepts. Automaton has 5366 states and 7820 transitions. Word has length 70 [2022-10-16 16:18:25,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:25,453 INFO L495 AbstractCegarLoop]: Abstraction has 5366 states and 7820 transitions. [2022-10-16 16:18:25,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 5366 states and 7820 transitions. [2022-10-16 16:18:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:18:25,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:25,455 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:25,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:18:25,455 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:25,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:25,456 INFO L85 PathProgramCache]: Analyzing trace with hash -878936349, now seen corresponding path program 1 times [2022-10-16 16:18:25,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:25,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782753854] [2022-10-16 16:18:25,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:25,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:18:25,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:25,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782753854] [2022-10-16 16:18:25,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782753854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:25,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:25,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:25,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164424368] [2022-10-16 16:18:25,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:25,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:25,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:25,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:25,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:25,592 INFO L87 Difference]: Start difference. First operand 5366 states and 7820 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:26,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:26,263 INFO L93 Difference]: Finished difference Result 10512 states and 15292 transitions. [2022-10-16 16:18:26,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:26,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:18:26,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:26,283 INFO L225 Difference]: With dead ends: 10512 [2022-10-16 16:18:26,283 INFO L226 Difference]: Without dead ends: 7124 [2022-10-16 16:18:26,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:18:26,292 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 286 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:26,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 385 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:26,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2022-10-16 16:18:26,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 7106. [2022-10-16 16:18:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7094 states have (on average 1.4367070764025938) internal successors, (10192), 7105 states have internal predecessors, (10192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10192 transitions. [2022-10-16 16:18:26,915 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10192 transitions. Word has length 70 [2022-10-16 16:18:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:26,916 INFO L495 AbstractCegarLoop]: Abstraction has 7106 states and 10192 transitions. [2022-10-16 16:18:26,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10192 transitions. [2022-10-16 16:18:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:18:26,918 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:26,918 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:26,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:18:26,919 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:26,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2113971101, now seen corresponding path program 1 times [2022-10-16 16:18:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:26,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176715604] [2022-10-16 16:18:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:18:27,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:27,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176715604] [2022-10-16 16:18:27,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176715604] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:27,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:27,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:27,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461525390] [2022-10-16 16:18:27,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:27,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:27,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:27,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:27,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:27,034 INFO L87 Difference]: Start difference. First operand 7106 states and 10192 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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) [2022-10-16 16:18:27,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:27,684 INFO L93 Difference]: Finished difference Result 12433 states and 17952 transitions. [2022-10-16 16:18:27,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:27,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 70 [2022-10-16 16:18:27,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:27,702 INFO L225 Difference]: With dead ends: 12433 [2022-10-16 16:18:27,702 INFO L226 Difference]: Without dead ends: 7121 [2022-10-16 16:18:27,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:18:27,713 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 283 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:27,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 384 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:27,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2022-10-16 16:18:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 7106. [2022-10-16 16:18:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7094 states have (on average 1.430504651818438) internal successors, (10148), 7105 states have internal predecessors, (10148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10148 transitions. [2022-10-16 16:18:28,390 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10148 transitions. Word has length 70 [2022-10-16 16:18:28,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:28,390 INFO L495 AbstractCegarLoop]: Abstraction has 7106 states and 10148 transitions. [2022-10-16 16:18:28,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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) [2022-10-16 16:18:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10148 transitions. [2022-10-16 16:18:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:18:28,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:28,392 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:28,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:18:28,393 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:28,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1557264422, now seen corresponding path program 1 times [2022-10-16 16:18:28,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:28,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827727832] [2022-10-16 16:18:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:28,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:28,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:28,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827727832] [2022-10-16 16:18:28,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827727832] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:28,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:28,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:28,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312211614] [2022-10-16 16:18:28,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:28,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:28,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:28,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:28,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:28,514 INFO L87 Difference]: Start difference. First operand 7106 states and 10148 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:29,191 INFO L93 Difference]: Finished difference Result 8111 states and 11648 transitions. [2022-10-16 16:18:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:29,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:18:29,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:29,212 INFO L225 Difference]: With dead ends: 8111 [2022-10-16 16:18:29,212 INFO L226 Difference]: Without dead ends: 8108 [2022-10-16 16:18:29,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:29,216 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 161 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:29,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 429 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:29,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8108 states. [2022-10-16 16:18:29,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8108 to 7106. [2022-10-16 16:18:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7094 states have (on average 1.420355229771638) internal successors, (10076), 7105 states have internal predecessors, (10076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10076 transitions. [2022-10-16 16:18:29,818 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10076 transitions. Word has length 71 [2022-10-16 16:18:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:29,818 INFO L495 AbstractCegarLoop]: Abstraction has 7106 states and 10076 transitions. [2022-10-16 16:18:29,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10076 transitions. [2022-10-16 16:18:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:18:29,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:29,820 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:29,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:18:29,820 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:29,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:29,821 INFO L85 PathProgramCache]: Analyzing trace with hash -717274504, now seen corresponding path program 1 times [2022-10-16 16:18:29,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:29,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566494646] [2022-10-16 16:18:29,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:29,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:29,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:29,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566494646] [2022-10-16 16:18:29,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566494646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:29,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:29,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:29,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511012761] [2022-10-16 16:18:29,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:29,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:29,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:29,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:29,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:29,957 INFO L87 Difference]: Start difference. First operand 7106 states and 10076 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:30,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:30,693 INFO L93 Difference]: Finished difference Result 11069 states and 15788 transitions. [2022-10-16 16:18:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:30,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:18:30,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:30,711 INFO L225 Difference]: With dead ends: 11069 [2022-10-16 16:18:30,712 INFO L226 Difference]: Without dead ends: 9092 [2022-10-16 16:18:30,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:18:30,719 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 276 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:30,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 417 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:30,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9092 states. [2022-10-16 16:18:31,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9092 to 8090. [2022-10-16 16:18:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8090 states, 8078 states have (on average 1.4161921267640505) internal successors, (11440), 8089 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8090 states to 8090 states and 11440 transitions. [2022-10-16 16:18:31,610 INFO L78 Accepts]: Start accepts. Automaton has 8090 states and 11440 transitions. Word has length 71 [2022-10-16 16:18:31,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:31,610 INFO L495 AbstractCegarLoop]: Abstraction has 8090 states and 11440 transitions. [2022-10-16 16:18:31,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 8090 states and 11440 transitions. [2022-10-16 16:18:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:18:31,612 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:31,612 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:31,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:18:31,613 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:31,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1477222905, now seen corresponding path program 1 times [2022-10-16 16:18:31,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:31,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502755882] [2022-10-16 16:18:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:31,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:18:31,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:31,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502755882] [2022-10-16 16:18:31,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502755882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:31,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:31,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:31,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681245312] [2022-10-16 16:18:31,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:31,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:31,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:31,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:31,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:31,771 INFO L87 Difference]: Start difference. First operand 8090 states and 11440 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:33,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:33,022 INFO L93 Difference]: Finished difference Result 16084 states and 23160 transitions. [2022-10-16 16:18:33,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:33,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:18:33,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:33,037 INFO L225 Difference]: With dead ends: 16084 [2022-10-16 16:18:33,037 INFO L226 Difference]: Without dead ends: 10444 [2022-10-16 16:18:33,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:18:33,050 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 298 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:33,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 287 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10444 states. [2022-10-16 16:18:33,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10444 to 9302. [2022-10-16 16:18:33,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9302 states, 9290 states have (on average 1.4307857911733046) internal successors, (13292), 9301 states have internal predecessors, (13292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9302 states to 9302 states and 13292 transitions. [2022-10-16 16:18:33,973 INFO L78 Accepts]: Start accepts. Automaton has 9302 states and 13292 transitions. Word has length 71 [2022-10-16 16:18:33,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:33,973 INFO L495 AbstractCegarLoop]: Abstraction has 9302 states and 13292 transitions. [2022-10-16 16:18:33,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 9302 states and 13292 transitions. [2022-10-16 16:18:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:18:33,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:33,975 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:33,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:18:33,975 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:33,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash -760673006, now seen corresponding path program 1 times [2022-10-16 16:18:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:33,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551989548] [2022-10-16 16:18:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:33,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:34,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:34,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551989548] [2022-10-16 16:18:34,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551989548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:34,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:34,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870997299] [2022-10-16 16:18:34,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:34,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:34,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:34,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:34,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:34,111 INFO L87 Difference]: Start difference. First operand 9302 states and 13292 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:35,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:35,393 INFO L93 Difference]: Finished difference Result 19315 states and 28112 transitions. [2022-10-16 16:18:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:35,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:18:35,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:35,413 INFO L225 Difference]: With dead ends: 19315 [2022-10-16 16:18:35,413 INFO L226 Difference]: Without dead ends: 12415 [2022-10-16 16:18:35,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:18:35,426 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 303 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:35,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 282 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:35,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2022-10-16 16:18:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 10426. [2022-10-16 16:18:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10426 states, 10414 states have (on average 1.4399846360668331) internal successors, (14996), 10425 states have internal predecessors, (14996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10426 states to 10426 states and 14996 transitions. [2022-10-16 16:18:36,338 INFO L78 Accepts]: Start accepts. Automaton has 10426 states and 14996 transitions. Word has length 72 [2022-10-16 16:18:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:36,338 INFO L495 AbstractCegarLoop]: Abstraction has 10426 states and 14996 transitions. [2022-10-16 16:18:36,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 10426 states and 14996 transitions. [2022-10-16 16:18:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:18:36,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:36,340 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:36,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:18:36,341 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:36,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:36,341 INFO L85 PathProgramCache]: Analyzing trace with hash -157775411, now seen corresponding path program 1 times [2022-10-16 16:18:36,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:36,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54876794] [2022-10-16 16:18:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:36,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:18:36,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:36,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54876794] [2022-10-16 16:18:36,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54876794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:36,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:36,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:36,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840119149] [2022-10-16 16:18:36,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:36,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:36,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:36,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:36,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:36,471 INFO L87 Difference]: Start difference. First operand 10426 states and 14996 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:37,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:37,333 INFO L93 Difference]: Finished difference Result 10909 states and 15668 transitions. [2022-10-16 16:18:37,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:37,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:18:37,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:37,348 INFO L225 Difference]: With dead ends: 10909 [2022-10-16 16:18:37,348 INFO L226 Difference]: Without dead ends: 10906 [2022-10-16 16:18:37,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:37,352 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 197 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:37,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 442 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:37,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-10-16 16:18:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10894. [2022-10-16 16:18:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10894 states, 10882 states have (on average 1.4339275868406542) internal successors, (15604), 10893 states have internal predecessors, (15604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10894 states to 10894 states and 15604 transitions. [2022-10-16 16:18:38,196 INFO L78 Accepts]: Start accepts. Automaton has 10894 states and 15604 transitions. Word has length 72 [2022-10-16 16:18:38,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:38,197 INFO L495 AbstractCegarLoop]: Abstraction has 10894 states and 15604 transitions. [2022-10-16 16:18:38,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 10894 states and 15604 transitions. [2022-10-16 16:18:38,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:18:38,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:38,198 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:38,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:18:38,199 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:38,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:38,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1882494824, now seen corresponding path program 1 times [2022-10-16 16:18:38,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:38,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762223414] [2022-10-16 16:18:38,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:38,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:38,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:38,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762223414] [2022-10-16 16:18:38,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762223414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:38,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:38,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:38,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511582324] [2022-10-16 16:18:38,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:38,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:38,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:38,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:38,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:38,327 INFO L87 Difference]: Start difference. First operand 10894 states and 15604 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:39,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:39,804 INFO L93 Difference]: Finished difference Result 13870 states and 19960 transitions. [2022-10-16 16:18:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:39,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:18:39,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:39,825 INFO L225 Difference]: With dead ends: 13870 [2022-10-16 16:18:39,825 INFO L226 Difference]: Without dead ends: 13867 [2022-10-16 16:18:39,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:39,831 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 206 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:39,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 473 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:39,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13867 states. [2022-10-16 16:18:40,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13867 to 13846. [2022-10-16 16:18:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13846 states, 13834 states have (on average 1.435882608067081) internal successors, (19864), 13845 states have internal predecessors, (19864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13846 states to 13846 states and 19864 transitions. [2022-10-16 16:18:41,021 INFO L78 Accepts]: Start accepts. Automaton has 13846 states and 19864 transitions. Word has length 73 [2022-10-16 16:18:41,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:41,021 INFO L495 AbstractCegarLoop]: Abstraction has 13846 states and 19864 transitions. [2022-10-16 16:18:41,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 13846 states and 19864 transitions. [2022-10-16 16:18:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:18:41,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:41,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:41,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:18:41,023 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:41,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:41,024 INFO L85 PathProgramCache]: Analyzing trace with hash 580434978, now seen corresponding path program 1 times [2022-10-16 16:18:41,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:41,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552135124] [2022-10-16 16:18:41,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:41,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:41,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:41,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552135124] [2022-10-16 16:18:41,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552135124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:41,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:41,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:41,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290917192] [2022-10-16 16:18:41,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:41,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:41,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:41,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:41,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:41,147 INFO L87 Difference]: Start difference. First operand 13846 states and 19864 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:42,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:42,214 INFO L93 Difference]: Finished difference Result 14845 states and 21292 transitions. [2022-10-16 16:18:42,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:42,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:18:42,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:42,235 INFO L225 Difference]: With dead ends: 14845 [2022-10-16 16:18:42,235 INFO L226 Difference]: Without dead ends: 14842 [2022-10-16 16:18:42,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:42,241 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 184 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:42,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 481 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:42,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14842 states. [2022-10-16 16:18:43,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14842 to 14830. [2022-10-16 16:18:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14830 states, 14818 states have (on average 1.433661762721015) internal successors, (21244), 14829 states have internal predecessors, (21244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14830 states to 14830 states and 21244 transitions. [2022-10-16 16:18:43,353 INFO L78 Accepts]: Start accepts. Automaton has 14830 states and 21244 transitions. Word has length 73 [2022-10-16 16:18:43,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:43,353 INFO L495 AbstractCegarLoop]: Abstraction has 14830 states and 21244 transitions. [2022-10-16 16:18:43,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 14830 states and 21244 transitions. [2022-10-16 16:18:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:18:43,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:43,355 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:43,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:18:43,355 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:43,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:43,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1772202462, now seen corresponding path program 1 times [2022-10-16 16:18:43,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:43,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823387231] [2022-10-16 16:18:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:43,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:43,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823387231] [2022-10-16 16:18:43,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823387231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:43,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:43,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:43,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482490767] [2022-10-16 16:18:43,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:43,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:43,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:43,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:43,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:43,489 INFO L87 Difference]: Start difference. First operand 14830 states and 21244 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:44,519 INFO L93 Difference]: Finished difference Result 17221 states and 24696 transitions. [2022-10-16 16:18:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:44,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:18:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:44,533 INFO L225 Difference]: With dead ends: 17221 [2022-10-16 16:18:44,533 INFO L226 Difference]: Without dead ends: 10652 [2022-10-16 16:18:44,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:44,543 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 195 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:44,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 336 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10652 states. [2022-10-16 16:18:45,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10652 to 8078. [2022-10-16 16:18:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8078 states, 8066 states have (on average 1.4326803868088271) internal successors, (11556), 8077 states have internal predecessors, (11556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8078 states to 8078 states and 11556 transitions. [2022-10-16 16:18:45,185 INFO L78 Accepts]: Start accepts. Automaton has 8078 states and 11556 transitions. Word has length 74 [2022-10-16 16:18:45,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:45,185 INFO L495 AbstractCegarLoop]: Abstraction has 8078 states and 11556 transitions. [2022-10-16 16:18:45,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 8078 states and 11556 transitions. [2022-10-16 16:18:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:18:45,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:45,187 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:45,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:18:45,187 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:45,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:45,188 INFO L85 PathProgramCache]: Analyzing trace with hash -712207086, now seen corresponding path program 1 times [2022-10-16 16:18:45,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:45,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439094902] [2022-10-16 16:18:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:45,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:18:45,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:45,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439094902] [2022-10-16 16:18:45,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439094902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:45,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:45,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:45,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118703331] [2022-10-16 16:18:45,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:45,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:45,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:45,331 INFO L87 Difference]: Start difference. First operand 8078 states and 11556 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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) [2022-10-16 16:18:46,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:46,120 INFO L93 Difference]: Finished difference Result 8324 states and 11888 transitions. [2022-10-16 16:18:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:46,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 75 [2022-10-16 16:18:46,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:46,134 INFO L225 Difference]: With dead ends: 8324 [2022-10-16 16:18:46,134 INFO L226 Difference]: Without dead ends: 8323 [2022-10-16 16:18:46,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:46,138 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 196 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:46,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 646 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:46,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8323 states. [2022-10-16 16:18:46,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8323 to 8078. [2022-10-16 16:18:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8078 states, 8066 states have (on average 1.4326803868088271) internal successors, (11556), 8077 states have internal predecessors, (11556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8078 states to 8078 states and 11556 transitions. [2022-10-16 16:18:46,750 INFO L78 Accepts]: Start accepts. Automaton has 8078 states and 11556 transitions. Word has length 75 [2022-10-16 16:18:46,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:46,751 INFO L495 AbstractCegarLoop]: Abstraction has 8078 states and 11556 transitions. [2022-10-16 16:18:46,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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) [2022-10-16 16:18:46,751 INFO L276 IsEmpty]: Start isEmpty. Operand 8078 states and 11556 transitions. [2022-10-16 16:18:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:18:46,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:46,753 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:46,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:18:46,753 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:46,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:46,754 INFO L85 PathProgramCache]: Analyzing trace with hash -343219185, now seen corresponding path program 1 times [2022-10-16 16:18:46,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:46,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401031251] [2022-10-16 16:18:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:46,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 16:18:46,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:46,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401031251] [2022-10-16 16:18:46,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401031251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:46,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:46,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:46,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604402949] [2022-10-16 16:18:46,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:46,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:46,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:46,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:46,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:46,803 INFO L87 Difference]: Start difference. First operand 8078 states and 11556 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:48,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:48,010 INFO L93 Difference]: Finished difference Result 18359 states and 26448 transitions. [2022-10-16 16:18:48,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:48,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:18:48,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:48,031 INFO L225 Difference]: With dead ends: 18359 [2022-10-16 16:18:48,031 INFO L226 Difference]: Without dead ends: 11323 [2022-10-16 16:18:48,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:48,041 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 68 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:48,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 253 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:48,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11323 states. [2022-10-16 16:18:48,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11323 to 10918. [2022-10-16 16:18:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10918 states, 10906 states have (on average 1.4168347698514578) internal successors, (15452), 10917 states have internal predecessors, (15452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10918 states to 10918 states and 15452 transitions. [2022-10-16 16:18:48,902 INFO L78 Accepts]: Start accepts. Automaton has 10918 states and 15452 transitions. Word has length 76 [2022-10-16 16:18:48,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:48,902 INFO L495 AbstractCegarLoop]: Abstraction has 10918 states and 15452 transitions. [2022-10-16 16:18:48,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 10918 states and 15452 transitions. [2022-10-16 16:18:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:18:48,904 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:48,905 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:48,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:18:48,905 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1776790730, now seen corresponding path program 1 times [2022-10-16 16:18:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:48,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435317631] [2022-10-16 16:18:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 16:18:48,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:48,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435317631] [2022-10-16 16:18:48,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435317631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:48,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:48,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:18:48,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78769308] [2022-10-16 16:18:48,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:48,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:48,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:48,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:48,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:48,974 INFO L87 Difference]: Start difference. First operand 10918 states and 15452 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:50,044 INFO L93 Difference]: Finished difference Result 10918 states and 15452 transitions. [2022-10-16 16:18:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:50,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 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 [2022-10-16 16:18:50,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:50,057 INFO L225 Difference]: With dead ends: 10918 [2022-10-16 16:18:50,057 INFO L226 Difference]: Without dead ends: 10917 [2022-10-16 16:18:50,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:50,060 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 62 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:50,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 117 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:50,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10917 states. [2022-10-16 16:18:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10917 to 10917. [2022-10-16 16:18:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 10906 states have (on average 1.3834586466165413) internal successors, (15088), 10916 states have internal predecessors, (15088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 15088 transitions. [2022-10-16 16:18:50,937 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 15088 transitions. Word has length 77 [2022-10-16 16:18:50,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:50,937 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 15088 transitions. [2022-10-16 16:18:50,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 15088 transitions. [2022-10-16 16:18:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:18:50,939 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:50,939 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:50,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:18:50,940 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:50,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:50,940 INFO L85 PathProgramCache]: Analyzing trace with hash 754062377, now seen corresponding path program 1 times [2022-10-16 16:18:50,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:50,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109499383] [2022-10-16 16:18:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:51,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:51,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109499383] [2022-10-16 16:18:51,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109499383] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:51,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495855229] [2022-10-16 16:18:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:51,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:51,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:51,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:51,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:18:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:51,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:18:51,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:18:51,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:51,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495855229] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:51,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:51,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-10-16 16:18:51,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909379481] [2022-10-16 16:18:51,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:51,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:51,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:51,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:51,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:18:51,360 INFO L87 Difference]: Start difference. First operand 10917 states and 15088 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:52,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:52,487 INFO L93 Difference]: Finished difference Result 21805 states and 30143 transitions. [2022-10-16 16:18:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:52,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:18:52,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:52,500 INFO L225 Difference]: With dead ends: 21805 [2022-10-16 16:18:52,500 INFO L226 Difference]: Without dead ends: 10917 [2022-10-16 16:18:52,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:18:52,511 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 177 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:52,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 86 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:52,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10917 states. [2022-10-16 16:18:53,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10917 to 10917. [2022-10-16 16:18:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 10906 states have (on average 1.3703465982028242) internal successors, (14945), 10916 states have internal predecessors, (14945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 14945 transitions. [2022-10-16 16:18:53,562 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 14945 transitions. Word has length 78 [2022-10-16 16:18:53,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:53,563 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 14945 transitions. [2022-10-16 16:18:53,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 14945 transitions. [2022-10-16 16:18:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:18:53,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:53,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:53,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 16:18:53,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 16:18:53,781 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:53,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1621049458, now seen corresponding path program 1 times [2022-10-16 16:18:53,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:53,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539525095] [2022-10-16 16:18:53,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:53,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:53,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539525095] [2022-10-16 16:18:53,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539525095] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:53,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229775850] [2022-10-16 16:18:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:53,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:53,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:53,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:53,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:18:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:53,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:18:53,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 16:18:54,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:54,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229775850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:54,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:54,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-10-16 16:18:54,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443630847] [2022-10-16 16:18:54,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:54,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:54,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:54,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:54,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:18:54,135 INFO L87 Difference]: Start difference. First operand 10917 states and 14945 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:55,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:55,566 INFO L93 Difference]: Finished difference Result 21799 states and 29850 transitions. [2022-10-16 16:18:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:55,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:18:55,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:55,580 INFO L225 Difference]: With dead ends: 21799 [2022-10-16 16:18:55,580 INFO L226 Difference]: Without dead ends: 10917 [2022-10-16 16:18:55,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:18:55,594 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 166 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:55,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 94 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:55,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10917 states. [2022-10-16 16:18:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10917 to 10917. [2022-10-16 16:18:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 10906 states have (on average 1.357234549789107) internal successors, (14802), 10916 states have internal predecessors, (14802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 14802 transitions. [2022-10-16 16:18:56,748 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 14802 transitions. Word has length 78 [2022-10-16 16:18:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:56,749 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 14802 transitions. [2022-10-16 16:18:56,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:56,749 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 14802 transitions. [2022-10-16 16:18:56,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:18:56,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:56,751 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:56,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:56,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 16:18:56,965 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:56,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:56,965 INFO L85 PathProgramCache]: Analyzing trace with hash 978569481, now seen corresponding path program 1 times [2022-10-16 16:18:56,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:56,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101023033] [2022-10-16 16:18:56,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:56,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:57,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:57,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101023033] [2022-10-16 16:18:57,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101023033] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:57,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744769564] [2022-10-16 16:18:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:57,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:57,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:57,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:57,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:18:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:57,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:18:57,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:57,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:57,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744769564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:57,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:57,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 16:18:57,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348055102] [2022-10-16 16:18:57,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:57,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:57,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:57,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:57,264 INFO L87 Difference]: Start difference. First operand 10917 states and 14802 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:58,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:58,338 INFO L93 Difference]: Finished difference Result 10917 states and 14802 transitions. [2022-10-16 16:18:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:58,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:18:58,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:58,351 INFO L225 Difference]: With dead ends: 10917 [2022-10-16 16:18:58,352 INFO L226 Difference]: Without dead ends: 10916 [2022-10-16 16:18:58,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:58,356 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 111 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:58,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 185 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:58,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10916 states. [2022-10-16 16:18:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10916 to 10883. [2022-10-16 16:18:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10883 states, 10873 states have (on average 1.3244734663846225) internal successors, (14401), 10882 states have internal predecessors, (14401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10883 states to 10883 states and 14401 transitions. [2022-10-16 16:18:59,492 INFO L78 Accepts]: Start accepts. Automaton has 10883 states and 14401 transitions. Word has length 78 [2022-10-16 16:18:59,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:59,492 INFO L495 AbstractCegarLoop]: Abstraction has 10883 states and 14401 transitions. [2022-10-16 16:18:59,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 10883 states and 14401 transitions. [2022-10-16 16:18:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:18:59,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:59,499 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:59,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:59,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:59,713 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:18:59,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:59,714 INFO L85 PathProgramCache]: Analyzing trace with hash -49463809, now seen corresponding path program 1 times [2022-10-16 16:18:59,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:59,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539422628] [2022-10-16 16:18:59,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:59,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:18:59,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:59,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539422628] [2022-10-16 16:18:59,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539422628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:59,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:59,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:59,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143214508] [2022-10-16 16:18:59,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:59,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:59,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:59,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:59,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:59,832 INFO L87 Difference]: Start difference. First operand 10883 states and 14401 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:01,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:01,379 INFO L93 Difference]: Finished difference Result 11355 states and 15009 transitions. [2022-10-16 16:19:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:19:01,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 98 [2022-10-16 16:19:01,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:01,392 INFO L225 Difference]: With dead ends: 11355 [2022-10-16 16:19:01,392 INFO L226 Difference]: Without dead ends: 11352 [2022-10-16 16:19:01,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:19:01,395 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 121 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:01,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 407 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11352 states. [2022-10-16 16:19:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11352 to 10880. [2022-10-16 16:19:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10880 states, 10873 states have (on average 1.2987216039731444) internal successors, (14121), 10879 states have internal predecessors, (14121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10880 states to 10880 states and 14121 transitions. [2022-10-16 16:19:02,467 INFO L78 Accepts]: Start accepts. Automaton has 10880 states and 14121 transitions. Word has length 98 [2022-10-16 16:19:02,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:02,467 INFO L495 AbstractCegarLoop]: Abstraction has 10880 states and 14121 transitions. [2022-10-16 16:19:02,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 10880 states and 14121 transitions. [2022-10-16 16:19:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:19:02,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:02,472 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:02,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:19:02,472 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:02,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:02,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1966773995, now seen corresponding path program 1 times [2022-10-16 16:19:02,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:02,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362277273] [2022-10-16 16:19:02,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:02,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:19:02,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:02,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362277273] [2022-10-16 16:19:02,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362277273] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:02,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:02,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:02,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106978241] [2022-10-16 16:19:02,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:02,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:02,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:02,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:02,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:02,619 INFO L87 Difference]: Start difference. First operand 10880 states and 14121 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:04,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:04,080 INFO L93 Difference]: Finished difference Result 12057 states and 15653 transitions. [2022-10-16 16:19:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:04,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 100 [2022-10-16 16:19:04,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:04,095 INFO L225 Difference]: With dead ends: 12057 [2022-10-16 16:19:04,095 INFO L226 Difference]: Without dead ends: 12056 [2022-10-16 16:19:04,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:04,100 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 187 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:04,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 483 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12056 states. [2022-10-16 16:19:05,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12056 to 11348. [2022-10-16 16:19:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11348 states, 11341 states have (on average 1.3001498985980073) internal successors, (14745), 11347 states have internal predecessors, (14745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11348 states to 11348 states and 14745 transitions. [2022-10-16 16:19:05,302 INFO L78 Accepts]: Start accepts. Automaton has 11348 states and 14745 transitions. Word has length 100 [2022-10-16 16:19:05,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:05,302 INFO L495 AbstractCegarLoop]: Abstraction has 11348 states and 14745 transitions. [2022-10-16 16:19:05,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 11348 states and 14745 transitions. [2022-10-16 16:19:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:19:05,306 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:05,306 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:05,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:19:05,307 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:05,307 INFO L85 PathProgramCache]: Analyzing trace with hash -290075903, now seen corresponding path program 2 times [2022-10-16 16:19:05,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:05,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136363413] [2022-10-16 16:19:05,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:05,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:19:05,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:05,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136363413] [2022-10-16 16:19:05,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136363413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:05,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:05,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:05,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445443234] [2022-10-16 16:19:05,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:05,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:05,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:05,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:05,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:05,512 INFO L87 Difference]: Start difference. First operand 11348 states and 14745 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:06,959 INFO L93 Difference]: Finished difference Result 16383 states and 21441 transitions. [2022-10-16 16:19:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:06,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 16:19:06,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:06,972 INFO L225 Difference]: With dead ends: 16383 [2022-10-16 16:19:06,972 INFO L226 Difference]: Without dead ends: 12152 [2022-10-16 16:19:06,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:06,978 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 217 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:06,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 432 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12152 states. [2022-10-16 16:19:07,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12152 to 9804. [2022-10-16 16:19:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9804 states, 9797 states have (on average 1.2988670001020721) internal successors, (12725), 9803 states have internal predecessors, (12725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 12725 transitions. [2022-10-16 16:19:07,978 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 12725 transitions. Word has length 100 [2022-10-16 16:19:07,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:07,978 INFO L495 AbstractCegarLoop]: Abstraction has 9804 states and 12725 transitions. [2022-10-16 16:19:07,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:07,978 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 12725 transitions. [2022-10-16 16:19:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:19:07,983 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:07,983 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:07,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:19:07,984 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:07,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2068048345, now seen corresponding path program 1 times [2022-10-16 16:19:07,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:07,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296120975] [2022-10-16 16:19:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:07,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:19:08,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:08,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296120975] [2022-10-16 16:19:08,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296120975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:08,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:08,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:08,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024570099] [2022-10-16 16:19:08,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:08,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:08,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:08,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:08,138 INFO L87 Difference]: Start difference. First operand 9804 states and 12725 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:09,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:09,317 INFO L93 Difference]: Finished difference Result 10418 states and 13497 transitions. [2022-10-16 16:19:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:09,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 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 103 [2022-10-16 16:19:09,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:09,330 INFO L225 Difference]: With dead ends: 10418 [2022-10-16 16:19:09,330 INFO L226 Difference]: Without dead ends: 10415 [2022-10-16 16:19:09,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:09,333 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 151 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:09,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 451 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10415 states. [2022-10-16 16:19:10,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10415 to 9804. [2022-10-16 16:19:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9804 states, 9797 states have (on average 1.295192405838522) internal successors, (12689), 9803 states have internal predecessors, (12689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 12689 transitions. [2022-10-16 16:19:10,407 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 12689 transitions. Word has length 103 [2022-10-16 16:19:10,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:10,408 INFO L495 AbstractCegarLoop]: Abstraction has 9804 states and 12689 transitions. [2022-10-16 16:19:10,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 12689 transitions. [2022-10-16 16:19:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:19:10,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:10,413 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:10,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:19:10,413 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:10,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:10,414 INFO L85 PathProgramCache]: Analyzing trace with hash -724142856, now seen corresponding path program 1 times [2022-10-16 16:19:10,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:10,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085109573] [2022-10-16 16:19:10,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:10,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:19:10,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:10,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085109573] [2022-10-16 16:19:10,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085109573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:10,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:10,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:10,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911422744] [2022-10-16 16:19:10,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:10,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:10,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:10,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:10,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:10,557 INFO L87 Difference]: Start difference. First operand 9804 states and 12689 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:11,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:11,645 INFO L93 Difference]: Finished difference Result 10278 states and 13285 transitions. [2022-10-16 16:19:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:11,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:19:11,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:11,658 INFO L225 Difference]: With dead ends: 10278 [2022-10-16 16:19:11,658 INFO L226 Difference]: Without dead ends: 10275 [2022-10-16 16:19:11,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:11,662 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 151 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:11,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 382 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:11,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10275 states. [2022-10-16 16:19:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10275 to 9804. [2022-10-16 16:19:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9804 states, 9797 states have (on average 1.292334388077983) internal successors, (12661), 9803 states have internal predecessors, (12661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 12661 transitions. [2022-10-16 16:19:12,731 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 12661 transitions. Word has length 104 [2022-10-16 16:19:12,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:12,731 INFO L495 AbstractCegarLoop]: Abstraction has 9804 states and 12661 transitions. [2022-10-16 16:19:12,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 12661 transitions. [2022-10-16 16:19:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:19:12,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:12,735 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:12,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:19:12,736 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:12,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:12,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1999903150, now seen corresponding path program 1 times [2022-10-16 16:19:12,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:12,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279354252] [2022-10-16 16:19:12,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:12,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:19:12,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:12,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279354252] [2022-10-16 16:19:12,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279354252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:12,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:12,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:12,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137163182] [2022-10-16 16:19:12,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:12,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:12,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:12,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:12,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:12,886 INFO L87 Difference]: Start difference. First operand 9804 states and 12661 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:14,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:14,194 INFO L93 Difference]: Finished difference Result 10277 states and 13261 transitions. [2022-10-16 16:19:14,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:14,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:19:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:14,206 INFO L225 Difference]: With dead ends: 10277 [2022-10-16 16:19:14,207 INFO L226 Difference]: Without dead ends: 10274 [2022-10-16 16:19:14,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:14,210 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 157 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:14,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 391 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:14,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10274 states. [2022-10-16 16:19:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10274 to 9804. [2022-10-16 16:19:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9804 states, 9797 states have (on average 1.2866183525569053) internal successors, (12605), 9803 states have internal predecessors, (12605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 12605 transitions. [2022-10-16 16:19:15,264 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 12605 transitions. Word has length 104 [2022-10-16 16:19:15,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:15,264 INFO L495 AbstractCegarLoop]: Abstraction has 9804 states and 12605 transitions. [2022-10-16 16:19:15,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 12605 transitions. [2022-10-16 16:19:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:19:15,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:15,269 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:15,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:19:15,269 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:15,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:15,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1867455644, now seen corresponding path program 1 times [2022-10-16 16:19:15,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:15,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978644466] [2022-10-16 16:19:15,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:15,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:19:15,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:15,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978644466] [2022-10-16 16:19:15,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978644466] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:15,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:15,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:15,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309472742] [2022-10-16 16:19:15,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:15,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:15,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:15,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:15,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:15,439 INFO L87 Difference]: Start difference. First operand 9804 states and 12605 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:16,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:16,408 INFO L93 Difference]: Finished difference Result 11613 states and 15013 transitions. [2022-10-16 16:19:16,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:16,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 105 [2022-10-16 16:19:16,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:16,415 INFO L225 Difference]: With dead ends: 11613 [2022-10-16 16:19:16,415 INFO L226 Difference]: Without dead ends: 6906 [2022-10-16 16:19:16,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:16,420 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 131 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:16,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 389 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:16,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6906 states. [2022-10-16 16:19:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6906 to 6259. [2022-10-16 16:19:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6259 states, 6257 states have (on average 1.2665814287997443) internal successors, (7925), 6258 states have internal predecessors, (7925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6259 states to 6259 states and 7925 transitions. [2022-10-16 16:19:17,147 INFO L78 Accepts]: Start accepts. Automaton has 6259 states and 7925 transitions. Word has length 105 [2022-10-16 16:19:17,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:17,147 INFO L495 AbstractCegarLoop]: Abstraction has 6259 states and 7925 transitions. [2022-10-16 16:19:17,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6259 states and 7925 transitions. [2022-10-16 16:19:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:19:17,152 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:17,152 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:17,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:19:17,152 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:17,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:17,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2125782344, now seen corresponding path program 1 times [2022-10-16 16:19:17,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:17,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705986696] [2022-10-16 16:19:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:17,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:19:17,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:17,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705986696] [2022-10-16 16:19:17,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705986696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:17,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:17,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:17,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938196403] [2022-10-16 16:19:17,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:17,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:17,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:17,290 INFO L87 Difference]: Start difference. First operand 6259 states and 7925 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:18,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:18,547 INFO L93 Difference]: Finished difference Result 7660 states and 9729 transitions. [2022-10-16 16:19:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:18,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 16:19:18,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:18,555 INFO L225 Difference]: With dead ends: 7660 [2022-10-16 16:19:18,555 INFO L226 Difference]: Without dead ends: 7659 [2022-10-16 16:19:18,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:18,557 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 168 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:18,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 650 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:18,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2022-10-16 16:19:19,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 5559. [2022-10-16 16:19:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5559 states, 5557 states have (on average 1.2634515026093216) internal successors, (7021), 5558 states have internal predecessors, (7021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 5559 states and 7021 transitions. [2022-10-16 16:19:19,203 INFO L78 Accepts]: Start accepts. Automaton has 5559 states and 7021 transitions. Word has length 106 [2022-10-16 16:19:19,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:19,203 INFO L495 AbstractCegarLoop]: Abstraction has 5559 states and 7021 transitions. [2022-10-16 16:19:19,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 7021 transitions. [2022-10-16 16:19:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:19:19,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:19,208 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:19,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:19:19,208 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:19,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:19,208 INFO L85 PathProgramCache]: Analyzing trace with hash -101725214, now seen corresponding path program 2 times [2022-10-16 16:19:19,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:19,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642919710] [2022-10-16 16:19:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:19,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:19:19,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:19,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642919710] [2022-10-16 16:19:19,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642919710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:19,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:19,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:19,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092679980] [2022-10-16 16:19:19,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:19,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:19,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:19,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:19,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:19,362 INFO L87 Difference]: Start difference. First operand 5559 states and 7021 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:20,478 INFO L93 Difference]: Finished difference Result 6027 states and 7621 transitions. [2022-10-16 16:19:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:20,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 16:19:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:20,485 INFO L225 Difference]: With dead ends: 6027 [2022-10-16 16:19:20,485 INFO L226 Difference]: Without dead ends: 6026 [2022-10-16 16:19:20,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:20,486 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 146 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:20,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 491 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:20,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6026 states. [2022-10-16 16:19:21,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6026 to 5095. [2022-10-16 16:19:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5095 states, 5093 states have (on average 1.2591792656587473) internal successors, (6413), 5094 states have internal predecessors, (6413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6413 transitions. [2022-10-16 16:19:21,095 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6413 transitions. Word has length 106 [2022-10-16 16:19:21,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:21,095 INFO L495 AbstractCegarLoop]: Abstraction has 5095 states and 6413 transitions. [2022-10-16 16:19:21,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6413 transitions. [2022-10-16 16:19:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:19:21,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:21,099 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:21,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:19:21,100 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:21,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:21,100 INFO L85 PathProgramCache]: Analyzing trace with hash 540118850, now seen corresponding path program 1 times [2022-10-16 16:19:21,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:21,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485804329] [2022-10-16 16:19:21,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:21,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 16:19:21,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:21,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485804329] [2022-10-16 16:19:21,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485804329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:21,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:21,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:19:21,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111653245] [2022-10-16 16:19:21,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:21,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:19:21,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:21,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:19:21,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:19:21,297 INFO L87 Difference]: Start difference. First operand 5095 states and 6413 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:22,043 INFO L93 Difference]: Finished difference Result 5095 states and 6413 transitions. [2022-10-16 16:19:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:19:22,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 16:19:22,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:22,047 INFO L225 Difference]: With dead ends: 5095 [2022-10-16 16:19:22,047 INFO L226 Difference]: Without dead ends: 2710 [2022-10-16 16:19:22,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:19:22,050 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:22,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 88 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:19:22,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2022-10-16 16:19:22,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2694. [2022-10-16 16:19:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 2693 states have (on average 1.2376531748978834) internal successors, (3333), 2693 states have internal predecessors, (3333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3333 transitions. [2022-10-16 16:19:22,345 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3333 transitions. Word has length 107 [2022-10-16 16:19:22,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:22,345 INFO L495 AbstractCegarLoop]: Abstraction has 2694 states and 3333 transitions. [2022-10-16 16:19:22,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3333 transitions. [2022-10-16 16:19:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 16:19:22,348 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:22,349 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:22,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:19:22,349 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 16:19:22,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:22,349 INFO L85 PathProgramCache]: Analyzing trace with hash -842067326, now seen corresponding path program 1 times [2022-10-16 16:19:22,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:22,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974813262] [2022-10-16 16:19:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:22,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:19:22,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:22,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974813262] [2022-10-16 16:19:22,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974813262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:22,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:22,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:22,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823975673] [2022-10-16 16:19:22,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:22,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:22,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:22,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:22,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:22,520 INFO L87 Difference]: Start difference. First operand 2694 states and 3333 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:22,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:22,944 INFO L93 Difference]: Finished difference Result 2694 states and 3333 transitions. [2022-10-16 16:19:22,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:22,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 16:19:22,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:22,945 INFO L225 Difference]: With dead ends: 2694 [2022-10-16 16:19:22,945 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 16:19:22,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:22,947 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 138 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:22,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 503 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:22,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 16:19:22,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 16:19:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 16:19:22,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 130 [2022-10-16 16:19:22,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:22,949 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 16:19:22,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:22,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 16:19:22,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 16:19:22,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-10-16 16:19:22,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-10-16 16:19:22,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-10-16 16:19:22,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-10-16 16:19:22,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-10-16 16:19:22,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-10-16 16:19:22,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-10-16 16:19:22,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-10-16 16:19:22,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-10-16 16:19:22,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-10-16 16:19:22,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-10-16 16:19:22,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-10-16 16:19:22,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-10-16 16:19:22,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-10-16 16:19:22,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-10-16 16:19:22,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-10-16 16:19:22,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:19:22,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.