/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:06:17,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:06:17,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:06:17,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:06:17,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:06:17,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:06:17,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:06:17,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:06:17,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:06:17,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:06:17,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:06:17,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:06:17,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:06:17,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:06:17,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:06:17,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:06:17,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:06:17,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:06:17,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:06:17,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:06:17,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:06:17,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:06:17,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:06:17,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:06:17,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:06:17,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:06:17,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:06:17,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:06:17,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:06:17,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:06:17,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:06:17,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:06:17,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:06:17,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:06:17,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:06:17,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:06:17,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:06:17,694 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:06:17,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:06:17,695 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:06:17,696 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:06:17,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:06:17,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:06:17,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:06:17,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:06:17,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:06:17,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:06:17,697 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:06:17,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:06:17,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:06:17,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:06:17,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:06:17,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:06:17,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:06:17,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:06:17,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:17,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:06:17,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:06:17,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:06:17,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:06:17,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:06:17,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:06:17,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:06:18,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:06:18,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:06:18,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:06:18,174 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:06:18,174 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:06:18,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:06:18,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5d430ef/63a2472eb5da49d6a548533777c9a0d6/FLAG8bce159ce [2022-10-15 22:06:19,066 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:06:19,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:06:19,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5d430ef/63a2472eb5da49d6a548533777c9a0d6/FLAG8bce159ce [2022-10-15 22:06:19,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5d430ef/63a2472eb5da49d6a548533777c9a0d6 [2022-10-15 22:06:19,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:06:19,347 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:06:19,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:19,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:06:19,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:06:19,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:19" (1/1) ... [2022-10-15 22:06:19,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c834cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:19, skipping insertion in model container [2022-10-15 22:06:19,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:19" (1/1) ... [2022-10-15 22:06:19,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:06:19,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:06:19,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12498,12511] [2022-10-15 22:06:20,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:20,133 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:06:20,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12498,12511] [2022-10-15 22:06:20,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:20,339 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:06:20,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20 WrapperNode [2022-10-15 22:06:20,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:20,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:20,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:06:20,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:06:20,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,476 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1304 [2022-10-15 22:06:20,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:20,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:06:20,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:06:20,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:06:20,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:06:20,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:06:20,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:06:20,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:06:20,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (1/1) ... [2022-10-15 22:06:20,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:20,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:06:20,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:06:20,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:06:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:06:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:06:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:06:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:06:20,880 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:06:20,883 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:06:22,179 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:06:22,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:06:22,203 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:06:22,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:22 BoogieIcfgContainer [2022-10-15 22:06:22,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:06:22,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:06:22,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:06:22,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:06:22,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:06:19" (1/3) ... [2022-10-15 22:06:22,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109f4166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:22, skipping insertion in model container [2022-10-15 22:06:22,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:20" (2/3) ... [2022-10-15 22:06:22,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109f4166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:22, skipping insertion in model container [2022-10-15 22:06:22,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:22" (3/3) ... [2022-10-15 22:06:22,220 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:06:22,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:06:22,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-15 22:06:22,358 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:06:22,372 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;@549d9f74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:06:22,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-15 22:06:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 401 states, 352 states have (on average 1.8238636363636365) internal successors, (642), 400 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:06:22,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:22,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:22,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:22,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:22,424 INFO L85 PathProgramCache]: Analyzing trace with hash -44805019, now seen corresponding path program 1 times [2022-10-15 22:06:22,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:22,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849163195] [2022-10-15 22:06:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:22,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:23,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:23,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:23,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849163195] [2022-10-15 22:06:23,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849163195] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:23,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:23,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943794785] [2022-10-15 22:06:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:23,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:23,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:23,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:23,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:23,056 INFO L87 Difference]: Start difference. First operand has 401 states, 352 states have (on average 1.8238636363636365) internal successors, (642), 400 states have internal predecessors, (642), 0 states have call successors, (0), 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 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:23,244 INFO L93 Difference]: Finished difference Result 819 states and 1222 transitions. [2022-10-15 22:06:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:23,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-15 22:06:23,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:23,269 INFO L225 Difference]: With dead ends: 819 [2022-10-15 22:06:23,270 INFO L226 Difference]: Without dead ends: 589 [2022-10-15 22:06:23,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:23,280 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 293 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1500 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 [2022-10-15 22:06:23,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1500 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:23,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2022-10-15 22:06:23,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 543. [2022-10-15 22:06:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 495 states have (on average 1.7535353535353535) internal successors, (868), 542 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 868 transitions. [2022-10-15 22:06:23,389 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 868 transitions. Word has length 84 [2022-10-15 22:06:23,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:23,390 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 868 transitions. [2022-10-15 22:06:23,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 868 transitions. [2022-10-15 22:06:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 22:06:23,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:23,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:23,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:06:23,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:23,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1495594396, now seen corresponding path program 1 times [2022-10-15 22:06:23,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:23,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427603629] [2022-10-15 22:06:23,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:23,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:23,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:23,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427603629] [2022-10-15 22:06:23,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427603629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:23,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:23,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:23,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200471458] [2022-10-15 22:06:23,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:23,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:23,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:23,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:23,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:23,777 INFO L87 Difference]: Start difference. First operand 543 states and 868 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:23,938 INFO L93 Difference]: Finished difference Result 1095 states and 1706 transitions. [2022-10-15 22:06:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:23,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-15 22:06:23,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:23,945 INFO L225 Difference]: With dead ends: 1095 [2022-10-15 22:06:23,945 INFO L226 Difference]: Without dead ends: 729 [2022-10-15 22:06:23,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:23,957 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 256 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:23,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1167 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:23,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-10-15 22:06:24,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 694. [2022-10-15 22:06:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 646 states have (on average 1.7445820433436532) internal successors, (1127), 693 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1127 transitions. [2022-10-15 22:06:24,021 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1127 transitions. Word has length 87 [2022-10-15 22:06:24,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:24,022 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 1127 transitions. [2022-10-15 22:06:24,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1127 transitions. [2022-10-15 22:06:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:06:24,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:24,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:24,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:06:24,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:24,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:24,026 INFO L85 PathProgramCache]: Analyzing trace with hash 433859864, now seen corresponding path program 1 times [2022-10-15 22:06:24,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:24,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885766097] [2022-10-15 22:06:24,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:24,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:24,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:24,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885766097] [2022-10-15 22:06:24,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885766097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:24,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:24,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:24,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715242569] [2022-10-15 22:06:24,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:24,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:24,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:24,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:24,226 INFO L87 Difference]: Start difference. First operand 694 states and 1127 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:24,316 INFO L93 Difference]: Finished difference Result 1638 states and 2639 transitions. [2022-10-15 22:06:24,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:24,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-15 22:06:24,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:24,325 INFO L225 Difference]: With dead ends: 1638 [2022-10-15 22:06:24,326 INFO L226 Difference]: Without dead ends: 1123 [2022-10-15 22:06:24,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:24,329 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 280 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1409 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 [2022-10-15 22:06:24,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1409 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2022-10-15 22:06:24,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1077. [2022-10-15 22:06:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1029 states have (on average 1.7570456754130224) internal successors, (1808), 1076 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1808 transitions. [2022-10-15 22:06:24,412 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1808 transitions. Word has length 90 [2022-10-15 22:06:24,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:24,412 INFO L495 AbstractCegarLoop]: Abstraction has 1077 states and 1808 transitions. [2022-10-15 22:06:24,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1808 transitions. [2022-10-15 22:06:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 22:06:24,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:24,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:24,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:06:24,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:24,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:24,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1994270837, now seen corresponding path program 1 times [2022-10-15 22:06:24,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:24,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619403221] [2022-10-15 22:06:24,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:24,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:24,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:24,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619403221] [2022-10-15 22:06:24,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619403221] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:24,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:24,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:24,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404346112] [2022-10-15 22:06:24,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:24,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:24,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:24,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:24,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:24,609 INFO L87 Difference]: Start difference. First operand 1077 states and 1808 transitions. Second operand has 3 states, 3 states have (on average 31.0) 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) [2022-10-15 22:06:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:24,731 INFO L93 Difference]: Finished difference Result 2479 states and 4121 transitions. [2022-10-15 22:06:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:24,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) 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 93 [2022-10-15 22:06:24,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:24,742 INFO L225 Difference]: With dead ends: 2479 [2022-10-15 22:06:24,742 INFO L226 Difference]: Without dead ends: 1581 [2022-10-15 22:06:24,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:24,746 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 282 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:24,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1181 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:24,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-10-15 22:06:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1532. [2022-10-15 22:06:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1484 states have (on average 1.752021563342318) internal successors, (2600), 1531 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2600 transitions. [2022-10-15 22:06:24,855 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2600 transitions. Word has length 93 [2022-10-15 22:06:24,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:24,856 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 2600 transitions. [2022-10-15 22:06:24,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) 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) [2022-10-15 22:06:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2600 transitions. [2022-10-15 22:06:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:06:24,858 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:24,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:24,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:06:24,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:24,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:24,860 INFO L85 PathProgramCache]: Analyzing trace with hash 96406539, now seen corresponding path program 1 times [2022-10-15 22:06:24,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:24,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60395276] [2022-10-15 22:06:24,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:24,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:25,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:25,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60395276] [2022-10-15 22:06:25,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60395276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:25,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:25,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:25,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104762752] [2022-10-15 22:06:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:25,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:25,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:25,046 INFO L87 Difference]: Start difference. First operand 1532 states and 2600 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:25,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:25,285 INFO L93 Difference]: Finished difference Result 3948 states and 6716 transitions. [2022-10-15 22:06:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:25,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-15 22:06:25,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:25,301 INFO L225 Difference]: With dead ends: 3948 [2022-10-15 22:06:25,302 INFO L226 Difference]: Without dead ends: 2613 [2022-10-15 22:06:25,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:25,306 INFO L413 NwaCegarLoop]: 811 mSDtfsCounter, 274 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1383 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 [2022-10-15 22:06:25,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1383 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:25,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2022-10-15 22:06:25,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2567. [2022-10-15 22:06:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2519 states have (on average 1.759825327510917) internal successors, (4433), 2566 states have internal predecessors, (4433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 4433 transitions. [2022-10-15 22:06:25,540 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 4433 transitions. Word has length 96 [2022-10-15 22:06:25,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:25,541 INFO L495 AbstractCegarLoop]: Abstraction has 2567 states and 4433 transitions. [2022-10-15 22:06:25,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 4433 transitions. [2022-10-15 22:06:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:06:25,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:25,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:25,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:06:25,546 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:25,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:25,547 INFO L85 PathProgramCache]: Analyzing trace with hash -969691890, now seen corresponding path program 1 times [2022-10-15 22:06:25,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:25,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79913274] [2022-10-15 22:06:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:25,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:25,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:25,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79913274] [2022-10-15 22:06:25,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79913274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:25,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:25,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:25,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188464107] [2022-10-15 22:06:25,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:25,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:25,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:25,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:25,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:25,735 INFO L87 Difference]: Start difference. First operand 2567 states and 4433 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 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) [2022-10-15 22:06:26,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:26,050 INFO L93 Difference]: Finished difference Result 6207 states and 10688 transitions. [2022-10-15 22:06:26,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:26,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 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 99 [2022-10-15 22:06:26,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:26,076 INFO L225 Difference]: With dead ends: 6207 [2022-10-15 22:06:26,076 INFO L226 Difference]: Without dead ends: 3837 [2022-10-15 22:06:26,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:26,083 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 276 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:26,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1183 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-10-15 22:06:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3782. [2022-10-15 22:06:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3782 states, 3734 states have (on average 1.7528119978575254) internal successors, (6545), 3781 states have internal predecessors, (6545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3782 states and 6545 transitions. [2022-10-15 22:06:26,428 INFO L78 Accepts]: Start accepts. Automaton has 3782 states and 6545 transitions. Word has length 99 [2022-10-15 22:06:26,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:26,429 INFO L495 AbstractCegarLoop]: Abstraction has 3782 states and 6545 transitions. [2022-10-15 22:06:26,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 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) [2022-10-15 22:06:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states and 6545 transitions. [2022-10-15 22:06:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 22:06:26,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:26,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:26,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:06:26,433 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:26,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:26,434 INFO L85 PathProgramCache]: Analyzing trace with hash 800014654, now seen corresponding path program 1 times [2022-10-15 22:06:26,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:26,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281544896] [2022-10-15 22:06:26,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:26,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:26,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:26,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281544896] [2022-10-15 22:06:26,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281544896] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:26,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:26,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:26,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072327837] [2022-10-15 22:06:26,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:26,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:26,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:26,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:26,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:26,579 INFO L87 Difference]: Start difference. First operand 3782 states and 6545 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:27,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:27,106 INFO L93 Difference]: Finished difference Result 10158 states and 17633 transitions. [2022-10-15 22:06:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:27,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-15 22:06:27,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:27,150 INFO L225 Difference]: With dead ends: 10158 [2022-10-15 22:06:27,151 INFO L226 Difference]: Without dead ends: 6591 [2022-10-15 22:06:27,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:27,162 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 268 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1357 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 [2022-10-15 22:06:27,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1357 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:27,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2022-10-15 22:06:27,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 6545. [2022-10-15 22:06:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6545 states, 6497 states have (on average 1.7568108357703556) internal successors, (11414), 6544 states have internal predecessors, (11414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6545 states to 6545 states and 11414 transitions. [2022-10-15 22:06:27,724 INFO L78 Accepts]: Start accepts. Automaton has 6545 states and 11414 transitions. Word has length 102 [2022-10-15 22:06:27,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:27,724 INFO L495 AbstractCegarLoop]: Abstraction has 6545 states and 11414 transitions. [2022-10-15 22:06:27,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 6545 states and 11414 transitions. [2022-10-15 22:06:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 22:06:27,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:27,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:27,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:06:27,727 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:27,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:27,728 INFO L85 PathProgramCache]: Analyzing trace with hash 663827239, now seen corresponding path program 1 times [2022-10-15 22:06:27,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:27,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441225844] [2022-10-15 22:06:27,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:27,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:27,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:27,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441225844] [2022-10-15 22:06:27,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441225844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:27,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:27,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:27,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155738263] [2022-10-15 22:06:27,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:27,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:27,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:27,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:27,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:27,919 INFO L87 Difference]: Start difference. First operand 6545 states and 11414 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:28,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:28,639 INFO L93 Difference]: Finished difference Result 16215 states and 28235 transitions. [2022-10-15 22:06:28,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:28,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 [2022-10-15 22:06:28,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:28,698 INFO L225 Difference]: With dead ends: 16215 [2022-10-15 22:06:28,698 INFO L226 Difference]: Without dead ends: 9885 [2022-10-15 22:06:28,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:28,711 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 270 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:28,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1185 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9885 states. [2022-10-15 22:06:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9885 to 9812. [2022-10-15 22:06:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9812 states, 9764 states have (on average 1.7478492421138878) internal successors, (17066), 9811 states have internal predecessors, (17066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9812 states to 9812 states and 17066 transitions. [2022-10-15 22:06:29,532 INFO L78 Accepts]: Start accepts. Automaton has 9812 states and 17066 transitions. Word has length 105 [2022-10-15 22:06:29,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:29,533 INFO L495 AbstractCegarLoop]: Abstraction has 9812 states and 17066 transitions. [2022-10-15 22:06:29,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 9812 states and 17066 transitions. [2022-10-15 22:06:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 22:06:29,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:29,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:29,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:06:29,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:29,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:29,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1419568015, now seen corresponding path program 1 times [2022-10-15 22:06:29,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:29,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204173220] [2022-10-15 22:06:29,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:29,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:29,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:29,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204173220] [2022-10-15 22:06:29,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204173220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:29,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:29,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:29,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575411873] [2022-10-15 22:06:29,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:29,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:29,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:29,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:29,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:29,777 INFO L87 Difference]: Start difference. First operand 9812 states and 17066 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:31,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:31,248 INFO L93 Difference]: Finished difference Result 18365 states and 32048 transitions. [2022-10-15 22:06:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:31,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-15 22:06:31,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:31,310 INFO L225 Difference]: With dead ends: 18365 [2022-10-15 22:06:31,310 INFO L226 Difference]: Without dead ends: 18362 [2022-10-15 22:06:31,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:31,317 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 495 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:31,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 808 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:31,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18362 states. [2022-10-15 22:06:32,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18362 to 18320. [2022-10-15 22:06:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18320 states, 18272 states have (on average 1.7421190893169878) internal successors, (31832), 18319 states have internal predecessors, (31832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18320 states to 18320 states and 31832 transitions. [2022-10-15 22:06:32,659 INFO L78 Accepts]: Start accepts. Automaton has 18320 states and 31832 transitions. Word has length 108 [2022-10-15 22:06:32,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:32,659 INFO L495 AbstractCegarLoop]: Abstraction has 18320 states and 31832 transitions. [2022-10-15 22:06:32,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 18320 states and 31832 transitions. [2022-10-15 22:06:32,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 22:06:32,661 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:32,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:32,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:06:32,662 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:32,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:32,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1056935103, now seen corresponding path program 1 times [2022-10-15 22:06:32,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:32,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442675432] [2022-10-15 22:06:32,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:32,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:32,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:32,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442675432] [2022-10-15 22:06:32,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442675432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:32,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:32,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:32,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139309695] [2022-10-15 22:06:32,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:32,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:32,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:32,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:32,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:32,951 INFO L87 Difference]: Start difference. First operand 18320 states and 31832 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:34,314 INFO L93 Difference]: Finished difference Result 18365 states and 31832 transitions. [2022-10-15 22:06:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:34,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-15 22:06:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:34,376 INFO L225 Difference]: With dead ends: 18365 [2022-10-15 22:06:34,376 INFO L226 Difference]: Without dead ends: 18362 [2022-10-15 22:06:34,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:34,387 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 491 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:34,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 811 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:34,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18362 states. [2022-10-15 22:06:35,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18362 to 18320. [2022-10-15 22:06:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18320 states, 18272 states have (on average 1.7302977232924694) internal successors, (31616), 18319 states have internal predecessors, (31616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18320 states to 18320 states and 31616 transitions. [2022-10-15 22:06:35,541 INFO L78 Accepts]: Start accepts. Automaton has 18320 states and 31616 transitions. Word has length 109 [2022-10-15 22:06:35,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:35,542 INFO L495 AbstractCegarLoop]: Abstraction has 18320 states and 31616 transitions. [2022-10-15 22:06:35,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 18320 states and 31616 transitions. [2022-10-15 22:06:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 22:06:35,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:35,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:35,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:06:35,546 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:35,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:35,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1594750579, now seen corresponding path program 1 times [2022-10-15 22:06:35,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:35,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878247853] [2022-10-15 22:06:35,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:35,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:35,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:35,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:35,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878247853] [2022-10-15 22:06:35,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878247853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:35,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:35,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:35,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265947047] [2022-10-15 22:06:35,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:35,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:35,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:35,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:35,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:35,740 INFO L87 Difference]: Start difference. First operand 18320 states and 31616 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:37,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:37,100 INFO L93 Difference]: Finished difference Result 24641 states and 42389 transitions. [2022-10-15 22:06:37,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:37,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-15 22:06:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:37,188 INFO L225 Difference]: With dead ends: 24641 [2022-10-15 22:06:37,189 INFO L226 Difference]: Without dead ends: 24638 [2022-10-15 22:06:37,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:37,206 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 486 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:37,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 800 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:37,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24638 states. [2022-10-15 22:06:38,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24638 to 24602. [2022-10-15 22:06:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24602 states, 24554 states have (on average 1.7175612934756048) internal successors, (42173), 24601 states have internal predecessors, (42173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24602 states to 24602 states and 42173 transitions. [2022-10-15 22:06:39,010 INFO L78 Accepts]: Start accepts. Automaton has 24602 states and 42173 transitions. Word has length 110 [2022-10-15 22:06:39,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:39,011 INFO L495 AbstractCegarLoop]: Abstraction has 24602 states and 42173 transitions. [2022-10-15 22:06:39,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:39,011 INFO L276 IsEmpty]: Start isEmpty. Operand 24602 states and 42173 transitions. [2022-10-15 22:06:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:06:39,014 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:39,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:39,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:06:39,015 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:39,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:39,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2102339197, now seen corresponding path program 1 times [2022-10-15 22:06:39,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:39,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474233509] [2022-10-15 22:06:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:39,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:39,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:39,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474233509] [2022-10-15 22:06:39,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474233509] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:39,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:39,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:39,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123058077] [2022-10-15 22:06:39,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:39,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:39,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:39,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:39,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:39,325 INFO L87 Difference]: Start difference. First operand 24602 states and 42173 transitions. Second operand has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:41,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:41,371 INFO L93 Difference]: Finished difference Result 24641 states and 42173 transitions. [2022-10-15 22:06:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:41,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-15 22:06:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:41,474 INFO L225 Difference]: With dead ends: 24641 [2022-10-15 22:06:41,474 INFO L226 Difference]: Without dead ends: 24638 [2022-10-15 22:06:41,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:41,491 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 482 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:41,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 803 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:41,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24638 states. [2022-10-15 22:06:42,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24638 to 24602. [2022-10-15 22:06:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24602 states, 24554 states have (on average 1.708764356113057) internal successors, (41957), 24601 states have internal predecessors, (41957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24602 states to 24602 states and 41957 transitions. [2022-10-15 22:06:43,008 INFO L78 Accepts]: Start accepts. Automaton has 24602 states and 41957 transitions. Word has length 111 [2022-10-15 22:06:43,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:43,008 INFO L495 AbstractCegarLoop]: Abstraction has 24602 states and 41957 transitions. [2022-10-15 22:06:43,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 24602 states and 41957 transitions. [2022-10-15 22:06:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 22:06:43,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:43,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:43,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:06:43,013 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:43,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:43,013 INFO L85 PathProgramCache]: Analyzing trace with hash -748005259, now seen corresponding path program 1 times [2022-10-15 22:06:43,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:43,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098846130] [2022-10-15 22:06:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:43,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:43,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:43,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098846130] [2022-10-15 22:06:43,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098846130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:43,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:43,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:43,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526436704] [2022-10-15 22:06:43,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:43,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:43,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:43,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:43,472 INFO L87 Difference]: Start difference. First operand 24602 states and 41957 transitions. Second operand has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:46,467 INFO L93 Difference]: Finished difference Result 38525 states and 64625 transitions. [2022-10-15 22:06:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:46,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-15 22:06:46,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:46,601 INFO L225 Difference]: With dead ends: 38525 [2022-10-15 22:06:46,601 INFO L226 Difference]: Without dead ends: 38522 [2022-10-15 22:06:46,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:46,620 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 489 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:46,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 746 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:46,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38522 states. [2022-10-15 22:06:49,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38522 to 38508. [2022-10-15 22:06:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38508 states, 38462 states have (on average 1.665722011335864) internal successors, (64067), 38507 states have internal predecessors, (64067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:49,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38508 states to 38508 states and 64067 transitions. [2022-10-15 22:06:49,684 INFO L78 Accepts]: Start accepts. Automaton has 38508 states and 64067 transitions. Word has length 112 [2022-10-15 22:06:49,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:49,690 INFO L495 AbstractCegarLoop]: Abstraction has 38508 states and 64067 transitions. [2022-10-15 22:06:49,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38508 states and 64067 transitions. [2022-10-15 22:06:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-15 22:06:49,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:49,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:49,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:06:49,693 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:49,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:49,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1713326139, now seen corresponding path program 1 times [2022-10-15 22:06:49,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:49,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681225169] [2022-10-15 22:06:49,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:49,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:49,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681225169] [2022-10-15 22:06:49,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681225169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:49,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:49,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:49,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621905039] [2022-10-15 22:06:49,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:49,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:49,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:49,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:49,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:49,955 INFO L87 Difference]: Start difference. First operand 38508 states and 64067 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:54,788 INFO L93 Difference]: Finished difference Result 62691 states and 104771 transitions. [2022-10-15 22:06:54,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:54,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-15 22:06:54,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:54,962 INFO L225 Difference]: With dead ends: 62691 [2022-10-15 22:06:54,962 INFO L226 Difference]: Without dead ends: 62688 [2022-10-15 22:06:54,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:54,991 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 485 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:54,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 793 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62688 states. [2022-10-15 22:07:00,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62688 to 62646. [2022-10-15 22:07:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62646 states, 62600 states have (on average 1.6618690095846644) internal successors, (104033), 62645 states have internal predecessors, (104033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62646 states to 62646 states and 104033 transitions. [2022-10-15 22:07:00,477 INFO L78 Accepts]: Start accepts. Automaton has 62646 states and 104033 transitions. Word has length 113 [2022-10-15 22:07:00,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:00,477 INFO L495 AbstractCegarLoop]: Abstraction has 62646 states and 104033 transitions. [2022-10-15 22:07:00,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 62646 states and 104033 transitions. [2022-10-15 22:07:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 22:07:00,484 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:00,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:00,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:07:00,486 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:07:00,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1533931993, now seen corresponding path program 1 times [2022-10-15 22:07:00,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:00,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038826133] [2022-10-15 22:07:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:07:00,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:00,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038826133] [2022-10-15 22:07:00,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038826133] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:00,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:00,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:00,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443839834] [2022-10-15 22:07:00,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:00,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:00,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:00,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:00,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:00,695 INFO L87 Difference]: Start difference. First operand 62646 states and 104033 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:09,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:09,180 INFO L93 Difference]: Finished difference Result 95353 states and 157326 transitions. [2022-10-15 22:07:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:09,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-15 22:07:09,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:09,617 INFO L225 Difference]: With dead ends: 95353 [2022-10-15 22:07:09,617 INFO L226 Difference]: Without dead ends: 95352 [2022-10-15 22:07:09,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:09,659 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 488 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:09,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 736 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:07:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95352 states.