/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:15:02,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:15:02,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:15:02,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:15:02,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:15:02,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:15:02,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:15:02,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:15:02,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:15:02,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:15:02,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:15:02,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:15:02,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:15:02,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:15:02,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:15:02,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:15:02,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:15:02,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:15:02,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:15:02,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:15:02,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:15:02,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:15:02,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:15:02,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:15:02,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:15:02,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:15:02,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:15:02,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:15:02,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:15:02,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:15:02,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:15:02,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:15:02,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:15:02,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:15:02,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:15:02,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:15:02,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:15:02,486 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:15:02,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:15:02,487 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:15:02,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:15:02,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:15:02,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:15:02,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:15:02,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:15:02,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:15:02,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:15:02,488 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:15:02,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:15:02,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:15:02,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:15:02,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:15:02,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:15:02,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:15:02,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:15:02,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:15:02,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:15:02,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:15:02,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:15:02,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:15:02,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:15:02,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:15:02,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:15:02,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:15:02,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:15:02,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:15:02,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:15:02,898 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:15:02,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:15:02,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22dbbec15/f68f45b18d534021a312e6d0b3a6e69b/FLAGa39ce0c73 [2022-10-16 16:15:03,716 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:15:03,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:15:03,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22dbbec15/f68f45b18d534021a312e6d0b3a6e69b/FLAGa39ce0c73 [2022-10-16 16:15:04,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22dbbec15/f68f45b18d534021a312e6d0b3a6e69b [2022-10-16 16:15:04,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:15:04,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:15:04,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:15:04,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:15:04,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:15:04,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f44109e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04, skipping insertion in model container [2022-10-16 16:15:04,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:15:04,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:15:04,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9868,9881] [2022-10-16 16:15:04,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:15:04,584 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:15:04,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9868,9881] [2022-10-16 16:15:04,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:15:04,800 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:15:04,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04 WrapperNode [2022-10-16 16:15:04,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:15:04,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:15:04,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:15:04,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:15:04,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,897 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 990 [2022-10-16 16:15:04,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:15:04,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:15:04,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:15:04,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:15:04,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:04,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:05,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:05,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:05,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:15:05,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:15:05,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:15:05,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:15:05,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (1/1) ... [2022-10-16 16:15:05,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:15:05,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:15:05,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:15:05,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:15:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:15:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:15:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:15:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:15:05,303 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:15:05,309 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:15:06,497 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:15:06,510 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:15:06,511 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:15:06,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:15:06 BoogieIcfgContainer [2022-10-16 16:15:06,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:15:06,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:15:06,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:15:06,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:15:06,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:15:04" (1/3) ... [2022-10-16 16:15:06,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6866b69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:15:06, skipping insertion in model container [2022-10-16 16:15:06,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:04" (2/3) ... [2022-10-16 16:15:06,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6866b69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:15:06, skipping insertion in model container [2022-10-16 16:15:06,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:15:06" (3/3) ... [2022-10-16 16:15:06,526 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:15:06,548 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:15:06,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-16 16:15:06,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:15:06,639 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;@aeca705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:15:06,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-16 16:15:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 343 states, 298 states have (on average 1.7651006711409396) internal successors, (526), 342 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:15:06,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:06,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:15:06,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:15:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:06,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948932626] [2022-10-16 16:15:06,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:06,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:07,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:07,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948932626] [2022-10-16 16:15:07,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948932626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:07,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:07,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:15:07,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868957323] [2022-10-16 16:15:07,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:07,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:15:07,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:07,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:15:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:15:07,056 INFO L87 Difference]: Start difference. First operand has 343 states, 298 states have (on average 1.7651006711409396) internal successors, (526), 342 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:07,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:07,109 INFO L93 Difference]: Finished difference Result 346 states and 528 transitions. [2022-10-16 16:15:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:15:07,112 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:15:07,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:07,137 INFO L225 Difference]: With dead ends: 346 [2022-10-16 16:15:07,137 INFO L226 Difference]: Without dead ends: 326 [2022-10-16 16:15:07,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:15:07,150 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:07,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:07,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-10-16 16:15:07,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2022-10-16 16:15:07,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 296 states have (on average 1.4864864864864864) internal successors, (440), 325 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 440 transitions. [2022-10-16 16:15:07,222 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 440 transitions. Word has length 4 [2022-10-16 16:15:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:07,223 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 440 transitions. [2022-10-16 16:15:07,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 440 transitions. [2022-10-16 16:15:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:15:07,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:07,228 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] [2022-10-16 16:15:07,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:15:07,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:07,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1882326445, now seen corresponding path program 1 times [2022-10-16 16:15:07,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:07,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524891491] [2022-10-16 16:15:07,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:07,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:07,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:07,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524891491] [2022-10-16 16:15:07,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524891491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:07,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:07,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:07,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674844036] [2022-10-16 16:15:07,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:07,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:07,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:07,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:07,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:07,736 INFO L87 Difference]: Start difference. First operand 326 states and 440 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:08,016 INFO L93 Difference]: Finished difference Result 680 states and 964 transitions. [2022-10-16 16:15:08,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:08,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:15:08,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:08,023 INFO L225 Difference]: With dead ends: 680 [2022-10-16 16:15:08,023 INFO L226 Difference]: Without dead ends: 677 [2022-10-16 16:15:08,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:08,026 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1027 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:08,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 847 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:08,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-10-16 16:15:08,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 486. [2022-10-16 16:15:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 457 states have (on average 1.5404814004376368) internal successors, (704), 485 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 704 transitions. [2022-10-16 16:15:08,070 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 704 transitions. Word has length 79 [2022-10-16 16:15:08,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:08,071 INFO L495 AbstractCegarLoop]: Abstraction has 486 states and 704 transitions. [2022-10-16 16:15:08,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 704 transitions. [2022-10-16 16:15:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:15:08,074 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:08,074 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] [2022-10-16 16:15:08,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:15:08,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:08,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:08,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1777422059, now seen corresponding path program 1 times [2022-10-16 16:15:08,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:08,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091220951] [2022-10-16 16:15:08,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:08,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:08,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:08,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091220951] [2022-10-16 16:15:08,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091220951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:08,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:08,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:08,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762731640] [2022-10-16 16:15:08,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:08,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:08,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:08,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:08,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:08,295 INFO L87 Difference]: Start difference. First operand 486 states and 704 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:08,480 INFO L93 Difference]: Finished difference Result 659 states and 961 transitions. [2022-10-16 16:15:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:08,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:15:08,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:08,486 INFO L225 Difference]: With dead ends: 659 [2022-10-16 16:15:08,486 INFO L226 Difference]: Without dead ends: 656 [2022-10-16 16:15:08,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:08,489 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1034 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:08,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 624 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:15:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-10-16 16:15:08,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 640. [2022-10-16 16:15:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 612 states have (on average 1.5620915032679739) internal successors, (956), 639 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 956 transitions. [2022-10-16 16:15:08,531 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 956 transitions. Word has length 80 [2022-10-16 16:15:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:08,532 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 956 transitions. [2022-10-16 16:15:08,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 956 transitions. [2022-10-16 16:15:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:15:08,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:08,536 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] [2022-10-16 16:15:08,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:15:08,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:08,537 INFO L85 PathProgramCache]: Analyzing trace with hash 734491311, now seen corresponding path program 1 times [2022-10-16 16:15:08,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:08,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027552649] [2022-10-16 16:15:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:08,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:08,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027552649] [2022-10-16 16:15:08,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027552649] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:08,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:08,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:08,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289747699] [2022-10-16 16:15:08,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:08,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:08,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:08,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:08,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:08,813 INFO L87 Difference]: Start difference. First operand 640 states and 956 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:09,130 INFO L93 Difference]: Finished difference Result 992 states and 1454 transitions. [2022-10-16 16:15:09,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:15:09,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:15:09,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:09,137 INFO L225 Difference]: With dead ends: 992 [2022-10-16 16:15:09,137 INFO L226 Difference]: Without dead ends: 989 [2022-10-16 16:15:09,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:09,140 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 1896 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:09,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1896 Valid, 1086 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:09,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-10-16 16:15:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 788. [2022-10-16 16:15:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 761 states have (on average 1.57161629434954) internal successors, (1196), 787 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1196 transitions. [2022-10-16 16:15:09,196 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1196 transitions. Word has length 81 [2022-10-16 16:15:09,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:09,197 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1196 transitions. [2022-10-16 16:15:09,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,197 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1196 transitions. [2022-10-16 16:15:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:15:09,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:09,199 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] [2022-10-16 16:15:09,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:15:09,200 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:09,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1294394455, now seen corresponding path program 1 times [2022-10-16 16:15:09,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:09,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817792042] [2022-10-16 16:15:09,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:09,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:09,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817792042] [2022-10-16 16:15:09,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817792042] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:09,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:09,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:09,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802174750] [2022-10-16 16:15:09,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:09,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:09,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:09,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:09,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:09,392 INFO L87 Difference]: Start difference. First operand 788 states and 1196 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:09,661 INFO L93 Difference]: Finished difference Result 969 states and 1441 transitions. [2022-10-16 16:15:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:15:09,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:15:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:09,668 INFO L225 Difference]: With dead ends: 969 [2022-10-16 16:15:09,669 INFO L226 Difference]: Without dead ends: 966 [2022-10-16 16:15:09,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:09,671 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1929 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:09,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 862 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-10-16 16:15:09,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 936. [2022-10-16 16:15:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 910 states have (on average 1.5758241758241758) internal successors, (1434), 935 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1434 transitions. [2022-10-16 16:15:09,760 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1434 transitions. Word has length 82 [2022-10-16 16:15:09,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:09,760 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1434 transitions. [2022-10-16 16:15:09,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1434 transitions. [2022-10-16 16:15:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:15:09,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:09,763 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] [2022-10-16 16:15:09,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:15:09,763 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:09,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1471522737, now seen corresponding path program 1 times [2022-10-16 16:15:09,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:09,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370828644] [2022-10-16 16:15:09,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:09,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:09,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370828644] [2022-10-16 16:15:09,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370828644] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:09,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:09,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:15:09,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264721841] [2022-10-16 16:15:09,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:09,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:15:09,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:09,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:15:09,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:15:09,947 INFO L87 Difference]: Start difference. First operand 936 states and 1434 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:10,419 INFO L93 Difference]: Finished difference Result 1437 states and 2161 transitions. [2022-10-16 16:15:10,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:15:10,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:15:10,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:10,429 INFO L225 Difference]: With dead ends: 1437 [2022-10-16 16:15:10,429 INFO L226 Difference]: Without dead ends: 1434 [2022-10-16 16:15:10,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:15:10,432 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2488 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:10,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 1513 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:10,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2022-10-16 16:15:10,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1078. [2022-10-16 16:15:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1053 states have (on average 1.5764482431149098) internal successors, (1660), 1077 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1660 transitions. [2022-10-16 16:15:10,572 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1660 transitions. Word has length 83 [2022-10-16 16:15:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:10,572 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1660 transitions. [2022-10-16 16:15:10,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1660 transitions. [2022-10-16 16:15:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:15:10,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:10,575 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] [2022-10-16 16:15:10,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:15:10,576 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:10,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:10,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1627435111, now seen corresponding path program 1 times [2022-10-16 16:15:10,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:10,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660008543] [2022-10-16 16:15:10,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:10,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:10,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:10,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660008543] [2022-10-16 16:15:10,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660008543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:10,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:10,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:15:10,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5677861] [2022-10-16 16:15:10,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:10,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:15:10,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:10,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:15:10,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:15:10,774 INFO L87 Difference]: Start difference. First operand 1078 states and 1660 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 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) [2022-10-16 16:15:11,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:11,207 INFO L93 Difference]: Finished difference Result 1408 states and 2124 transitions. [2022-10-16 16:15:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:15:11,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 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 [2022-10-16 16:15:11,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:11,216 INFO L225 Difference]: With dead ends: 1408 [2022-10-16 16:15:11,216 INFO L226 Difference]: Without dead ends: 1405 [2022-10-16 16:15:11,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:15:11,219 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 3011 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3011 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:11,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3011 Valid, 1100 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:11,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-10-16 16:15:11,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1363. [2022-10-16 16:15:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1339 states have (on average 1.5795369678864823) internal successors, (2115), 1362 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 2115 transitions. [2022-10-16 16:15:11,358 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 2115 transitions. Word has length 84 [2022-10-16 16:15:11,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:11,359 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 2115 transitions. [2022-10-16 16:15:11,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 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) [2022-10-16 16:15:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 2115 transitions. [2022-10-16 16:15:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:15:11,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:11,361 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] [2022-10-16 16:15:11,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:15:11,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:11,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1089119411, now seen corresponding path program 1 times [2022-10-16 16:15:11,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:11,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68527621] [2022-10-16 16:15:11,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:11,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:11,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:11,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68527621] [2022-10-16 16:15:11,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68527621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:11,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:11,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:11,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213974517] [2022-10-16 16:15:11,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:11,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:11,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:11,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:11,573 INFO L87 Difference]: Start difference. First operand 1363 states and 2115 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:12,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:12,226 INFO L93 Difference]: Finished difference Result 2003 states and 3059 transitions. [2022-10-16 16:15:12,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:15:12,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:15:12,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:12,237 INFO L225 Difference]: With dead ends: 2003 [2022-10-16 16:15:12,237 INFO L226 Difference]: Without dead ends: 2000 [2022-10-16 16:15:12,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:15:12,240 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 3049 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:12,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 2117 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:12,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2022-10-16 16:15:12,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1499. [2022-10-16 16:15:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1476 states have (on average 1.5765582655826558) internal successors, (2327), 1498 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2327 transitions. [2022-10-16 16:15:12,395 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2327 transitions. Word has length 85 [2022-10-16 16:15:12,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:12,395 INFO L495 AbstractCegarLoop]: Abstraction has 1499 states and 2327 transitions. [2022-10-16 16:15:12,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2327 transitions. [2022-10-16 16:15:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:15:12,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:12,397 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] [2022-10-16 16:15:12,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:15:12,398 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:12,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:12,398 INFO L85 PathProgramCache]: Analyzing trace with hash -597036325, now seen corresponding path program 1 times [2022-10-16 16:15:12,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:12,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683806919] [2022-10-16 16:15:12,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:12,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:12,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:12,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683806919] [2022-10-16 16:15:12,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683806919] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:12,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:12,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:12,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687682079] [2022-10-16 16:15:12,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:12,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:12,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:12,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:12,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:12,599 INFO L87 Difference]: Start difference. First operand 1499 states and 2327 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:13,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:13,288 INFO L93 Difference]: Finished difference Result 1964 states and 2984 transitions. [2022-10-16 16:15:13,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:15:13,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:15:13,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:13,300 INFO L225 Difference]: With dead ends: 1964 [2022-10-16 16:15:13,300 INFO L226 Difference]: Without dead ends: 1961 [2022-10-16 16:15:13,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:15:13,305 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 3587 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3587 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:13,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3587 Valid, 1526 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:13,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2022-10-16 16:15:13,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1909. [2022-10-16 16:15:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1909 states, 1887 states have (on average 1.575516693163752) internal successors, (2973), 1908 states have internal predecessors, (2973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2973 transitions. [2022-10-16 16:15:13,517 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2973 transitions. Word has length 86 [2022-10-16 16:15:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:13,518 INFO L495 AbstractCegarLoop]: Abstraction has 1909 states and 2973 transitions. [2022-10-16 16:15:13,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2973 transitions. [2022-10-16 16:15:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:15:13,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:13,519 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] [2022-10-16 16:15:13,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:15:13,520 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:13,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:13,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1328256587, now seen corresponding path program 1 times [2022-10-16 16:15:13,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:13,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382715725] [2022-10-16 16:15:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:13,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:13,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:13,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:13,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382715725] [2022-10-16 16:15:13,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382715725] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:13,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:13,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:15:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230180464] [2022-10-16 16:15:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:13,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:15:13,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:13,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:15:13,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:13,782 INFO L87 Difference]: Start difference. First operand 1909 states and 2973 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 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) [2022-10-16 16:15:14,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:14,662 INFO L93 Difference]: Finished difference Result 4333 states and 6747 transitions. [2022-10-16 16:15:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:15:14,663 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 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 [2022-10-16 16:15:14,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:14,678 INFO L225 Difference]: With dead ends: 4333 [2022-10-16 16:15:14,678 INFO L226 Difference]: Without dead ends: 2680 [2022-10-16 16:15:14,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:15:14,690 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 3753 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3753 SdHoareTripleChecker+Valid, 2747 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:14,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3753 Valid, 2747 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:15:14,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2022-10-16 16:15:14,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2044. [2022-10-16 16:15:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2044 states, 2023 states have (on average 1.5709342560553634) internal successors, (3178), 2043 states have internal predecessors, (3178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 3178 transitions. [2022-10-16 16:15:14,900 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 3178 transitions. Word has length 87 [2022-10-16 16:15:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:14,901 INFO L495 AbstractCegarLoop]: Abstraction has 2044 states and 3178 transitions. [2022-10-16 16:15:14,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 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) [2022-10-16 16:15:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 3178 transitions. [2022-10-16 16:15:14,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:15:14,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:14,906 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] [2022-10-16 16:15:14,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:15:14,906 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:14,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:14,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1773719069, now seen corresponding path program 1 times [2022-10-16 16:15:14,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:14,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277360000] [2022-10-16 16:15:14,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:15,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:15,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277360000] [2022-10-16 16:15:15,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277360000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:15,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:15,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:15:15,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948760996] [2022-10-16 16:15:15,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:15,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:15:15,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:15,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:15:15,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:15,128 INFO L87 Difference]: Start difference. First operand 2044 states and 3178 transitions. Second operand has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:16,474 INFO L93 Difference]: Finished difference Result 3646 states and 5584 transitions. [2022-10-16 16:15:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 16:15:16,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:15:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:16,494 INFO L225 Difference]: With dead ends: 3646 [2022-10-16 16:15:16,494 INFO L226 Difference]: Without dead ends: 3643 [2022-10-16 16:15:16,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 16:15:16,497 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 5795 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5795 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:16,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5795 Valid, 2289 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:15:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2022-10-16 16:15:16,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 3539. [2022-10-16 16:15:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 3519 states have (on average 1.5791418016481955) internal successors, (5557), 3538 states have internal predecessors, (5557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 5557 transitions. [2022-10-16 16:15:16,938 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 5557 transitions. Word has length 88 [2022-10-16 16:15:16,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:16,939 INFO L495 AbstractCegarLoop]: Abstraction has 3539 states and 5557 transitions. [2022-10-16 16:15:16,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 5557 transitions. [2022-10-16 16:15:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:15:16,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:16,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:16,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:15:16,945 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:16,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1742109427, now seen corresponding path program 1 times [2022-10-16 16:15:16,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:16,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964318178] [2022-10-16 16:15:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:16,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:17,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:17,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964318178] [2022-10-16 16:15:17,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964318178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:17,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:17,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:17,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776590743] [2022-10-16 16:15:17,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:17,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:17,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:17,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:17,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:17,128 INFO L87 Difference]: Start difference. First operand 3539 states and 5557 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:18,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:18,051 INFO L93 Difference]: Finished difference Result 10093 states and 15911 transitions. [2022-10-16 16:15:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:18,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 16:15:18,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:18,089 INFO L225 Difference]: With dead ends: 10093 [2022-10-16 16:15:18,090 INFO L226 Difference]: Without dead ends: 6697 [2022-10-16 16:15:18,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:18,098 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 299 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:18,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 832 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6697 states. [2022-10-16 16:15:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6697 to 6677. [2022-10-16 16:15:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6677 states, 6657 states have (on average 1.5741324921135647) internal successors, (10479), 6676 states have internal predecessors, (10479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 10479 transitions. [2022-10-16 16:15:19,005 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 10479 transitions. Word has length 118 [2022-10-16 16:15:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:19,005 INFO L495 AbstractCegarLoop]: Abstraction has 6677 states and 10479 transitions. [2022-10-16 16:15:19,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 10479 transitions. [2022-10-16 16:15:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:15:19,009 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:19,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:19,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:15:19,010 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:19,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:19,010 INFO L85 PathProgramCache]: Analyzing trace with hash 244901268, now seen corresponding path program 1 times [2022-10-16 16:15:19,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:19,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115531] [2022-10-16 16:15:19,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:19,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:19,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:19,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115531] [2022-10-16 16:15:19,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:19,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:19,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:19,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264793868] [2022-10-16 16:15:19,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:19,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:19,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:19,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:19,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:19,132 INFO L87 Difference]: Start difference. First operand 6677 states and 10479 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:20,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:20,936 INFO L93 Difference]: Finished difference Result 19195 states and 30184 transitions. [2022-10-16 16:15:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:20,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 16:15:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:20,984 INFO L225 Difference]: With dead ends: 19195 [2022-10-16 16:15:20,984 INFO L226 Difference]: Without dead ends: 12711 [2022-10-16 16:15:20,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:20,998 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 312 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:20,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 834 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:21,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12711 states. [2022-10-16 16:15:22,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12711 to 12691. [2022-10-16 16:15:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12691 states, 12671 states have (on average 1.5660958093283877) internal successors, (19844), 12690 states have internal predecessors, (19844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12691 states to 12691 states and 19844 transitions. [2022-10-16 16:15:22,443 INFO L78 Accepts]: Start accepts. Automaton has 12691 states and 19844 transitions. Word has length 118 [2022-10-16 16:15:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:22,444 INFO L495 AbstractCegarLoop]: Abstraction has 12691 states and 19844 transitions. [2022-10-16 16:15:22,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 12691 states and 19844 transitions. [2022-10-16 16:15:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:15:22,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:22,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:22,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:15:22,450 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:22,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:22,451 INFO L85 PathProgramCache]: Analyzing trace with hash 97209952, now seen corresponding path program 1 times [2022-10-16 16:15:22,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:22,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303900255] [2022-10-16 16:15:22,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:22,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:22,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:22,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303900255] [2022-10-16 16:15:22,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303900255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:22,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:22,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:22,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590504006] [2022-10-16 16:15:22,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:22,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:22,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:22,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:22,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:22,680 INFO L87 Difference]: Start difference. First operand 12691 states and 19844 transitions. Second operand has 4 states, 3 states have (on average 39.666666666666664) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:24,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:24,757 INFO L93 Difference]: Finished difference Result 16763 states and 26308 transitions. [2022-10-16 16:15:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:24,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 39.666666666666664) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 16:15:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:24,817 INFO L225 Difference]: With dead ends: 16763 [2022-10-16 16:15:24,817 INFO L226 Difference]: Without dead ends: 16761 [2022-10-16 16:15:24,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:24,826 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 555 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:24,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1194 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:24,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16761 states. [2022-10-16 16:15:26,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16761 to 13689. [2022-10-16 16:15:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13689 states, 13669 states have (on average 1.5692442753676201) internal successors, (21450), 13688 states have internal predecessors, (21450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13689 states to 13689 states and 21450 transitions. [2022-10-16 16:15:26,277 INFO L78 Accepts]: Start accepts. Automaton has 13689 states and 21450 transitions. Word has length 119 [2022-10-16 16:15:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:26,277 INFO L495 AbstractCegarLoop]: Abstraction has 13689 states and 21450 transitions. [2022-10-16 16:15:26,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 39.666666666666664) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 13689 states and 21450 transitions. [2022-10-16 16:15:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:15:26,282 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:26,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:26,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:15:26,283 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:26,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1523454800, now seen corresponding path program 1 times [2022-10-16 16:15:26,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:26,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571319617] [2022-10-16 16:15:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:26,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:26,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571319617] [2022-10-16 16:15:26,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571319617] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:26,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:26,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:26,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059290352] [2022-10-16 16:15:26,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:26,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:26,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:26,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:26,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:26,455 INFO L87 Difference]: Start difference. First operand 13689 states and 21450 transitions. Second operand has 4 states, 3 states have (on average 39.666666666666664) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:28,320 INFO L93 Difference]: Finished difference Result 17765 states and 27884 transitions. [2022-10-16 16:15:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:28,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 39.666666666666664) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 16:15:28,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:28,362 INFO L225 Difference]: With dead ends: 17765 [2022-10-16 16:15:28,363 INFO L226 Difference]: Without dead ends: 17763 [2022-10-16 16:15:28,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:28,370 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 566 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:28,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1198 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:28,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17763 states. [2022-10-16 16:15:29,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17763 to 16216. [2022-10-16 16:15:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16216 states, 16196 states have (on average 1.574154112126451) internal successors, (25495), 16215 states have internal predecessors, (25495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16216 states to 16216 states and 25495 transitions. [2022-10-16 16:15:29,874 INFO L78 Accepts]: Start accepts. Automaton has 16216 states and 25495 transitions. Word has length 119 [2022-10-16 16:15:29,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:29,875 INFO L495 AbstractCegarLoop]: Abstraction has 16216 states and 25495 transitions. [2022-10-16 16:15:29,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 39.666666666666664) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 16216 states and 25495 transitions. [2022-10-16 16:15:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:15:29,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:29,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:29,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:15:29,880 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:29,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:29,881 INFO L85 PathProgramCache]: Analyzing trace with hash 591614902, now seen corresponding path program 1 times [2022-10-16 16:15:29,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:29,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946887061] [2022-10-16 16:15:29,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:29,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:30,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:30,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946887061] [2022-10-16 16:15:30,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946887061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:30,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:30,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:30,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94281726] [2022-10-16 16:15:30,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:30,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:30,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:30,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:30,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:30,010 INFO L87 Difference]: Start difference. First operand 16216 states and 25495 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:32,302 INFO L93 Difference]: Finished difference Result 46624 states and 73356 transitions. [2022-10-16 16:15:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:32,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 16:15:32,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:32,379 INFO L225 Difference]: With dead ends: 46624 [2022-10-16 16:15:32,380 INFO L226 Difference]: Without dead ends: 30801 [2022-10-16 16:15:32,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:32,409 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 286 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:32,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 836 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:32,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30801 states. [2022-10-16 16:15:35,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30801 to 30781. [2022-10-16 16:15:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30781 states, 30761 states have (on average 1.5641884204024576) internal successors, (48116), 30780 states have internal predecessors, (48116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30781 states to 30781 states and 48116 transitions. [2022-10-16 16:15:35,788 INFO L78 Accepts]: Start accepts. Automaton has 30781 states and 48116 transitions. Word has length 120 [2022-10-16 16:15:35,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:35,789 INFO L495 AbstractCegarLoop]: Abstraction has 30781 states and 48116 transitions. [2022-10-16 16:15:35,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 30781 states and 48116 transitions. [2022-10-16 16:15:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:15:35,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:35,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:35,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:15:35,796 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:35,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:35,797 INFO L85 PathProgramCache]: Analyzing trace with hash 17541874, now seen corresponding path program 1 times [2022-10-16 16:15:35,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:35,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859483426] [2022-10-16 16:15:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:35,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:35,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859483426] [2022-10-16 16:15:35,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859483426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:35,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:35,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:35,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222600620] [2022-10-16 16:15:35,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:35,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:35,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:35,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:35,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:35,971 INFO L87 Difference]: Start difference. First operand 30781 states and 48116 transitions. Second operand has 4 states, 3 states have (on average 40.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:38,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:38,910 INFO L93 Difference]: Finished difference Result 30797 states and 48116 transitions. [2022-10-16 16:15:38,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:38,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 40.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 16:15:38,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:38,974 INFO L225 Difference]: With dead ends: 30797 [2022-10-16 16:15:38,974 INFO L226 Difference]: Without dead ends: 30795 [2022-10-16 16:15:38,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:38,986 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 567 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:38,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 982 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:15:39,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30795 states. [2022-10-16 16:15:41,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30795 to 29591. [2022-10-16 16:15:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29591 states, 29573 states have (on average 1.5606803503195483) internal successors, (46154), 29590 states have internal predecessors, (46154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29591 states to 29591 states and 46154 transitions. [2022-10-16 16:15:42,030 INFO L78 Accepts]: Start accepts. Automaton has 29591 states and 46154 transitions. Word has length 120 [2022-10-16 16:15:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:42,031 INFO L495 AbstractCegarLoop]: Abstraction has 29591 states and 46154 transitions. [2022-10-16 16:15:42,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 40.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29591 states and 46154 transitions. [2022-10-16 16:15:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:15:42,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:42,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:42,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:15:42,039 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:42,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:42,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1260842572, now seen corresponding path program 1 times [2022-10-16 16:15:42,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:42,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946984724] [2022-10-16 16:15:42,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:42,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:42,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:42,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946984724] [2022-10-16 16:15:42,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946984724] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:42,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:42,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:42,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148101607] [2022-10-16 16:15:42,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:42,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:42,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:42,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:42,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:42,261 INFO L87 Difference]: Start difference. First operand 29591 states and 46154 transitions. Second operand has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:46,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:46,509 INFO L93 Difference]: Finished difference Result 32744 states and 50997 transitions. [2022-10-16 16:15:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:46,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 16:15:46,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:46,578 INFO L225 Difference]: With dead ends: 32744 [2022-10-16 16:15:46,578 INFO L226 Difference]: Without dead ends: 32742 [2022-10-16 16:15:46,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:46,592 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 1185 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:46,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 1426 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:46,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32742 states. [2022-10-16 16:15:49,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32742 to 28612. [2022-10-16 16:15:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28612 states, 28594 states have (on average 1.5595929215919424) internal successors, (44595), 28611 states have internal predecessors, (44595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28612 states to 28612 states and 44595 transitions. [2022-10-16 16:15:49,511 INFO L78 Accepts]: Start accepts. Automaton has 28612 states and 44595 transitions. Word has length 121 [2022-10-16 16:15:49,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:49,511 INFO L495 AbstractCegarLoop]: Abstraction has 28612 states and 44595 transitions. [2022-10-16 16:15:49,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 28612 states and 44595 transitions. [2022-10-16 16:15:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:15:49,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:49,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:49,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:15:49,519 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:49,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:49,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1070503262, now seen corresponding path program 1 times [2022-10-16 16:15:49,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:49,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975854448] [2022-10-16 16:15:49,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:49,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:49,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975854448] [2022-10-16 16:15:49,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975854448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:49,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:49,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:49,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65794126] [2022-10-16 16:15:49,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:49,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:49,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:49,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:49,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:49,710 INFO L87 Difference]: Start difference. First operand 28612 states and 44595 transitions. Second operand has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:53,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:53,324 INFO L93 Difference]: Finished difference Result 34658 states and 53957 transitions. [2022-10-16 16:15:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:53,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 16:15:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:53,381 INFO L225 Difference]: With dead ends: 34658 [2022-10-16 16:15:53,381 INFO L226 Difference]: Without dead ends: 34656 [2022-10-16 16:15:53,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:53,392 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1187 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:53,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1423 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:53,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34656 states. [2022-10-16 16:15:56,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34656 to 32460. [2022-10-16 16:15:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32460 states, 32442 states have (on average 1.56029221379693) internal successors, (50619), 32459 states have internal predecessors, (50619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32460 states to 32460 states and 50619 transitions. [2022-10-16 16:15:56,479 INFO L78 Accepts]: Start accepts. Automaton has 32460 states and 50619 transitions. Word has length 121 [2022-10-16 16:15:56,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:56,480 INFO L495 AbstractCegarLoop]: Abstraction has 32460 states and 50619 transitions. [2022-10-16 16:15:56,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32460 states and 50619 transitions. [2022-10-16 16:15:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:15:56,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:56,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:56,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:15:56,487 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:15:56,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:56,487 INFO L85 PathProgramCache]: Analyzing trace with hash 543798514, now seen corresponding path program 1 times [2022-10-16 16:15:56,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:56,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695889512] [2022-10-16 16:15:56,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:56,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:56,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:56,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695889512] [2022-10-16 16:15:56,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695889512] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:56,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:56,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:56,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720659788] [2022-10-16 16:15:56,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:56,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:56,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:56,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:56,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:56,650 INFO L87 Difference]: Start difference. First operand 32460 states and 50619 transitions. Second operand has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:00,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:00,295 INFO L93 Difference]: Finished difference Result 36596 states and 57023 transitions. [2022-10-16 16:16:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:16:00,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 16:16:00,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:00,345 INFO L225 Difference]: With dead ends: 36596 [2022-10-16 16:16:00,345 INFO L226 Difference]: Without dead ends: 36594 [2022-10-16 16:16:00,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:00,354 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 1191 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:00,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 1438 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:16:00,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36594 states. [2022-10-16 16:16:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36594 to 35126. [2022-10-16 16:16:03,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35126 states, 35108 states have (on average 1.5609832516805286) internal successors, (54803), 35125 states have internal predecessors, (54803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35126 states to 35126 states and 54803 transitions. [2022-10-16 16:16:03,648 INFO L78 Accepts]: Start accepts. Automaton has 35126 states and 54803 transitions. Word has length 121 [2022-10-16 16:16:03,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:03,649 INFO L495 AbstractCegarLoop]: Abstraction has 35126 states and 54803 transitions. [2022-10-16 16:16:03,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 35126 states and 54803 transitions. [2022-10-16 16:16:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:16:03,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:03,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:03,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:16:03,656 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:16:03,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:03,657 INFO L85 PathProgramCache]: Analyzing trace with hash 326930199, now seen corresponding path program 1 times [2022-10-16 16:16:03,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:03,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619334042] [2022-10-16 16:16:03,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:03,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:03,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:03,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619334042] [2022-10-16 16:16:03,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619334042] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:03,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:03,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:16:03,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653390001] [2022-10-16 16:16:03,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:03,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:16:03,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:03,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:16:03,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:03,747 INFO L87 Difference]: Start difference. First operand 35126 states and 54803 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:10,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:10,361 INFO L93 Difference]: Finished difference Result 101096 states and 157696 transitions. [2022-10-16 16:16:10,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:16:10,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 16:16:10,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:10,476 INFO L225 Difference]: With dead ends: 101096 [2022-10-16 16:16:10,476 INFO L226 Difference]: Without dead ends: 66759 [2022-10-16 16:16:10,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:10,534 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 271 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:10,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 828 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:16:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66759 states. [2022-10-16 16:16:17,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66759 to 66741. [2022-10-16 16:16:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66741 states, 66723 states have (on average 1.5490910180897142) internal successors, (103360), 66740 states have internal predecessors, (103360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:17,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66741 states to 66741 states and 103360 transitions. [2022-10-16 16:16:17,759 INFO L78 Accepts]: Start accepts. Automaton has 66741 states and 103360 transitions. Word has length 122 [2022-10-16 16:16:17,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:17,760 INFO L495 AbstractCegarLoop]: Abstraction has 66741 states and 103360 transitions. [2022-10-16 16:16:17,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 66741 states and 103360 transitions. [2022-10-16 16:16:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:16:17,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:17,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:17,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:16:17,770 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:16:17,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:17,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1174137668, now seen corresponding path program 1 times [2022-10-16 16:16:17,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:17,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756187235] [2022-10-16 16:16:17,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:17,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:17,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:17,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756187235] [2022-10-16 16:16:17,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756187235] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:17,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:17,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:16:17,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335423451] [2022-10-16 16:16:17,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:17,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:16:17,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:17,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:16:17,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:16:17,937 INFO L87 Difference]: Start difference. First operand 66741 states and 103360 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:26,514 INFO L93 Difference]: Finished difference Result 89565 states and 139440 transitions. [2022-10-16 16:16:26,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:16:26,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 16:16:26,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:26,642 INFO L225 Difference]: With dead ends: 89565 [2022-10-16 16:16:26,642 INFO L226 Difference]: Without dead ends: 89563 [2022-10-16 16:16:26,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:26,662 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 1220 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:26,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 1186 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:16:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89563 states. [2022-10-16 16:16:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89563 to 71097. [2022-10-16 16:16:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71097 states, 71079 states have (on average 1.551372416606874) internal successors, (110270), 71096 states have internal predecessors, (110270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71097 states to 71097 states and 110270 transitions. [2022-10-16 16:16:34,370 INFO L78 Accepts]: Start accepts. Automaton has 71097 states and 110270 transitions. Word has length 122 [2022-10-16 16:16:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:34,371 INFO L495 AbstractCegarLoop]: Abstraction has 71097 states and 110270 transitions. [2022-10-16 16:16:34,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 71097 states and 110270 transitions. [2022-10-16 16:16:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:16:34,381 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:34,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:34,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:16:34,382 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:16:34,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:34,383 INFO L85 PathProgramCache]: Analyzing trace with hash -322114828, now seen corresponding path program 1 times [2022-10-16 16:16:34,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:34,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066294640] [2022-10-16 16:16:34,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:34,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:34,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:34,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066294640] [2022-10-16 16:16:34,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066294640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:34,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:34,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:16:34,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603919452] [2022-10-16 16:16:34,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:34,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:16:34,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:34,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:16:34,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:16:34,545 INFO L87 Difference]: Start difference. First operand 71097 states and 110270 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:43,838 INFO L93 Difference]: Finished difference Result 82285 states and 128016 transitions. [2022-10-16 16:16:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:16:43,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 16:16:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:43,978 INFO L225 Difference]: With dead ends: 82285 [2022-10-16 16:16:43,979 INFO L226 Difference]: Without dead ends: 82283 [2022-10-16 16:16:43,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:43,997 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 1215 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:43,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 1190 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:16:44,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82283 states. [2022-10-16 16:16:52,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82283 to 75691. [2022-10-16 16:16:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75691 states, 75673 states have (on average 1.5530241962126519) internal successors, (117522), 75690 states have internal predecessors, (117522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75691 states to 75691 states and 117522 transitions. [2022-10-16 16:16:52,546 INFO L78 Accepts]: Start accepts. Automaton has 75691 states and 117522 transitions. Word has length 122 [2022-10-16 16:16:52,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:52,546 INFO L495 AbstractCegarLoop]: Abstraction has 75691 states and 117522 transitions. [2022-10-16 16:16:52,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 75691 states and 117522 transitions. [2022-10-16 16:16:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:16:52,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:52,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:52,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:16:52,557 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:16:52,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:52,558 INFO L85 PathProgramCache]: Analyzing trace with hash -488920714, now seen corresponding path program 1 times [2022-10-16 16:16:52,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:52,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474525360] [2022-10-16 16:16:52,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:52,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:52,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:52,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474525360] [2022-10-16 16:16:52,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474525360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:52,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:52,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:16:52,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146341968] [2022-10-16 16:16:52,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:52,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:16:52,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:52,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:16:52,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:16:52,743 INFO L87 Difference]: Start difference. First operand 75691 states and 117522 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:01,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:01,168 INFO L93 Difference]: Finished difference Result 80959 states and 125596 transitions. [2022-10-16 16:17:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:17:01,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:17:01,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:01,308 INFO L225 Difference]: With dead ends: 80959 [2022-10-16 16:17:01,308 INFO L226 Difference]: Without dead ends: 80957 [2022-10-16 16:17:01,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:01,329 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 1999 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:01,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1999 Valid, 1688 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:17:01,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80957 states. [2022-10-16 16:17:09,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80957 to 79339. [2022-10-16 16:17:10,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79339 states, 79321 states have (on average 1.5521992914864915) internal successors, (123122), 79338 states have internal predecessors, (123122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79339 states to 79339 states and 123122 transitions. [2022-10-16 16:17:10,414 INFO L78 Accepts]: Start accepts. Automaton has 79339 states and 123122 transitions. Word has length 123 [2022-10-16 16:17:10,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:10,416 INFO L495 AbstractCegarLoop]: Abstraction has 79339 states and 123122 transitions. [2022-10-16 16:17:10,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 79339 states and 123122 transitions. [2022-10-16 16:17:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:17:10,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:10,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:10,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:17:10,426 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:17:10,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:10,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1874513126, now seen corresponding path program 1 times [2022-10-16 16:17:10,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:10,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083027080] [2022-10-16 16:17:10,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:10,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:17:10,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:10,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083027080] [2022-10-16 16:17:10,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083027080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:10,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:10,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:17:10,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844657684] [2022-10-16 16:17:10,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:10,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:17:10,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:10,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:17:10,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:17:10,642 INFO L87 Difference]: Start difference. First operand 79339 states and 123122 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:19,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:19,624 INFO L93 Difference]: Finished difference Result 82773 states and 128264 transitions. [2022-10-16 16:17:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:17:19,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:17:19,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:19,759 INFO L225 Difference]: With dead ends: 82773 [2022-10-16 16:17:19,759 INFO L226 Difference]: Without dead ends: 82771 [2022-10-16 16:17:19,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:19,779 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 2007 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 1655 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:19,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 1655 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:19,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82771 states. [2022-10-16 16:17:28,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82771 to 79335. [2022-10-16 16:17:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79335 states, 79317 states have (on average 1.5509663754302356) internal successors, (123018), 79334 states have internal predecessors, (123018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79335 states to 79335 states and 123018 transitions. [2022-10-16 16:17:28,786 INFO L78 Accepts]: Start accepts. Automaton has 79335 states and 123018 transitions. Word has length 123 [2022-10-16 16:17:28,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:28,786 INFO L495 AbstractCegarLoop]: Abstraction has 79335 states and 123018 transitions. [2022-10-16 16:17:28,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 79335 states and 123018 transitions. [2022-10-16 16:17:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:17:28,793 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:28,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:28,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:17:28,793 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:17:28,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:28,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2038529764, now seen corresponding path program 1 times [2022-10-16 16:17:28,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:28,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050191192] [2022-10-16 16:17:28,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:28,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:17:28,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:28,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050191192] [2022-10-16 16:17:28,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050191192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:28,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:28,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:17:28,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248536093] [2022-10-16 16:17:28,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:28,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:17:28,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:28,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:17:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:17:28,993 INFO L87 Difference]: Start difference. First operand 79335 states and 123018 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:38,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:38,483 INFO L93 Difference]: Finished difference Result 86451 states and 133844 transitions. [2022-10-16 16:17:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:17:38,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:17:38,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:38,610 INFO L225 Difference]: With dead ends: 86451 [2022-10-16 16:17:38,610 INFO L226 Difference]: Without dead ends: 86449 [2022-10-16 16:17:38,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:38,629 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 1791 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:38,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1791 Valid, 1850 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86449 states. [2022-10-16 16:17:47,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86449 to 83701. [2022-10-16 16:17:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83701 states, 83683 states have (on average 1.549872734008102) internal successors, (129698), 83700 states have internal predecessors, (129698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83701 states to 83701 states and 129698 transitions. [2022-10-16 16:17:48,217 INFO L78 Accepts]: Start accepts. Automaton has 83701 states and 129698 transitions. Word has length 123 [2022-10-16 16:17:48,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:48,217 INFO L495 AbstractCegarLoop]: Abstraction has 83701 states and 129698 transitions. [2022-10-16 16:17:48,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 83701 states and 129698 transitions. [2022-10-16 16:17:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:17:48,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:48,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:48,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:17:48,228 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:17:48,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:48,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1395624652, now seen corresponding path program 1 times [2022-10-16 16:17:48,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:48,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684482377] [2022-10-16 16:17:48,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:48,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:48,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:17:48,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:48,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684482377] [2022-10-16 16:17:48,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684482377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:48,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:48,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:17:48,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594704510] [2022-10-16 16:17:48,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:48,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:17:48,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:48,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:17:48,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:17:48,817 INFO L87 Difference]: Start difference. First operand 83701 states and 129698 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:58,737 INFO L93 Difference]: Finished difference Result 90127 states and 139488 transitions. [2022-10-16 16:17:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:17:58,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:17:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:58,874 INFO L225 Difference]: With dead ends: 90127 [2022-10-16 16:17:58,874 INFO L226 Difference]: Without dead ends: 90125 [2022-10-16 16:17:58,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:58,893 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 1800 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:58,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1800 Valid, 1834 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:58,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90125 states. [2022-10-16 16:18:08,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90125 to 87156. [2022-10-16 16:18:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87156 states, 87138 states have (on average 1.5492781564874107) internal successors, (135001), 87155 states have internal predecessors, (135001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87156 states to 87156 states and 135001 transitions. [2022-10-16 16:18:09,067 INFO L78 Accepts]: Start accepts. Automaton has 87156 states and 135001 transitions. Word has length 123 [2022-10-16 16:18:09,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:09,068 INFO L495 AbstractCegarLoop]: Abstraction has 87156 states and 135001 transitions. [2022-10-16 16:18:09,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 87156 states and 135001 transitions. [2022-10-16 16:18:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:18:09,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:09,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:09,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:18:09,076 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:18:09,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash 606902782, now seen corresponding path program 1 times [2022-10-16 16:18:09,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:09,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131351514] [2022-10-16 16:18:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:09,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:09,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131351514] [2022-10-16 16:18:09,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131351514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:09,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:09,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:09,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269064967] [2022-10-16 16:18:09,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:09,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:09,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:09,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:09,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:09,239 INFO L87 Difference]: Start difference. First operand 87156 states and 135001 transitions. Second operand has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:20,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:20,205 INFO L93 Difference]: Finished difference Result 101088 states and 157091 transitions. [2022-10-16 16:18:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:20,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:18:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:20,385 INFO L225 Difference]: With dead ends: 101088 [2022-10-16 16:18:20,385 INFO L226 Difference]: Without dead ends: 101086 [2022-10-16 16:18:20,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:20,411 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 494 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:20,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 1817 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:18:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101086 states. [2022-10-16 16:18:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101086 to 87853. [2022-10-16 16:18:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87853 states, 87835 states have (on average 1.5498491489725053) internal successors, (136131), 87852 states have internal predecessors, (136131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87853 states to 87853 states and 136131 transitions. [2022-10-16 16:18:30,757 INFO L78 Accepts]: Start accepts. Automaton has 87853 states and 136131 transitions. Word has length 123 [2022-10-16 16:18:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:30,757 INFO L495 AbstractCegarLoop]: Abstraction has 87853 states and 136131 transitions. [2022-10-16 16:18:30,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 87853 states and 136131 transitions. [2022-10-16 16:18:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:18:30,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:30,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:30,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:18:30,765 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:18:30,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:30,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2023327476, now seen corresponding path program 1 times [2022-10-16 16:18:30,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:30,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298506956] [2022-10-16 16:18:30,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:30,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:30,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:30,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298506956] [2022-10-16 16:18:30,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298506956] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:30,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:30,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:18:30,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476026254] [2022-10-16 16:18:30,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:30,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:18:30,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:30,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:18:30,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:18:30,935 INFO L87 Difference]: Start difference. First operand 87853 states and 136131 transitions. Second operand has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:45,231 INFO L93 Difference]: Finished difference Result 123026 states and 190957 transitions. [2022-10-16 16:18:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:18:45,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 16:18:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:45,446 INFO L225 Difference]: With dead ends: 123026 [2022-10-16 16:18:45,446 INFO L226 Difference]: Without dead ends: 123024 [2022-10-16 16:18:45,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:18:45,476 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 2079 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:45,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 1440 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:45,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123024 states.