/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/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:13:54,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:13:54,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:13:54,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:13:54,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:13:54,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:13:54,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:13:54,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:13:54,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:13:54,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:13:54,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:13:54,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:13:54,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:13:54,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:13:54,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:13:54,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:13:54,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:13:54,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:13:54,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:13:54,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:13:54,395 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 15:13:54,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:13:54,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:13:54,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:13:54,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:13:54,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:13:54,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:13:54,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:13:54,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:13:54,424 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:13:54,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:13:54,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:13:54,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:13:54,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:13:54,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:13:54,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:13:54,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:13:54,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:13:54,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:13:54,426 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:13:54,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:13:54,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:13:54,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:13:54,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:13:54,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:13:54,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:13:54,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:13:54,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:13:54,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:13:54,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:13:54,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:13:54,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:13:54,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:13:54,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:13:54,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:13:54,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:13:54,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:13:54,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:13:54,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:13:54,812 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:13:54,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2022-10-16 15:13:54,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e86b55e3d/4d8b16f078aa4156b13ff823f8117e4f/FLAG6beb0b6f9 [2022-10-16 15:13:55,534 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:13:55,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2022-10-16 15:13:55,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e86b55e3d/4d8b16f078aa4156b13ff823f8117e4f/FLAG6beb0b6f9 [2022-10-16 15:13:55,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e86b55e3d/4d8b16f078aa4156b13ff823f8117e4f [2022-10-16 15:13:55,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:13:55,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:13:55,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:13:55,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:13:55,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:13:55,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:55" (1/1) ... [2022-10-16 15:13:55,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe15a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:55, skipping insertion in model container [2022-10-16 15:13:55,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:55" (1/1) ... [2022-10-16 15:13:55,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:13:55,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:13:56,335 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/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2022-10-16 15:13:56,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:13:56,346 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:13:56,413 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/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2022-10-16 15:13:56,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:13:56,438 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:13:56,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56 WrapperNode [2022-10-16 15:13:56,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:13:56,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:13:56,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:13:56,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:13:56,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,532 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 495 [2022-10-16 15:13:56,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:13:56,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:13:56,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:13:56,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:13:56,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:13:56,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:13:56,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:13:56,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:13:56,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (1/1) ... [2022-10-16 15:13:56,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:13:56,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:13:56,661 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 15:13:56,678 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 15:13:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:13:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:13:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:13:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:13:56,915 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:13:56,924 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:13:57,712 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:13:57,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:13:57,724 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:13:57,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:57 BoogieIcfgContainer [2022-10-16 15:13:57,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:13:57,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:13:57,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:13:57,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:13:57,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:13:55" (1/3) ... [2022-10-16 15:13:57,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643cf6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:57, skipping insertion in model container [2022-10-16 15:13:57,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:56" (2/3) ... [2022-10-16 15:13:57,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643cf6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:57, skipping insertion in model container [2022-10-16 15:13:57,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:57" (3/3) ... [2022-10-16 15:13:57,737 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2022-10-16 15:13:57,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:13:57,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:13:57,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:13:57,833 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;@9f14738, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:13:57,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:13:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 177 states have (on average 1.768361581920904) internal successors, (313), 211 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:13:57,849 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:57,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:13:57,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:57,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:57,857 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:13:57,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:57,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923264098] [2022-10-16 15:13:57,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:57,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:58,113 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 15:13:58,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:58,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923264098] [2022-10-16 15:13:58,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923264098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:58,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:58,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:13:58,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195812972] [2022-10-16 15:13:58,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:58,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:13:58,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:13:58,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:13:58,182 INFO L87 Difference]: Start difference. First operand has 212 states, 177 states have (on average 1.768361581920904) internal successors, (313), 211 states have internal predecessors, (313), 0 states have call successors, (0), 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 15:13:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:58,259 INFO L93 Difference]: Finished difference Result 358 states and 518 transitions. [2022-10-16 15:13:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:13:58,262 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 15:13:58,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:58,282 INFO L225 Difference]: With dead ends: 358 [2022-10-16 15:13:58,282 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 15:13:58,288 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 15:13:58,295 INFO L413 NwaCegarLoop]: 300 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, 300 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 15:13:58,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 15:13:58,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-16 15:13:58,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 173 states have (on average 1.7052023121387283) internal successors, (295), 196 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 295 transitions. [2022-10-16 15:13:58,398 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 295 transitions. Word has length 4 [2022-10-16 15:13:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:58,398 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 295 transitions. [2022-10-16 15:13:58,399 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 15:13:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 295 transitions. [2022-10-16 15:13:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:13:58,402 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:58,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:58,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:13:58,404 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:58,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:58,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1990655788, now seen corresponding path program 1 times [2022-10-16 15:13:58,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:58,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536236174] [2022-10-16 15:13:58,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:58,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:58,723 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 15:13:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:58,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536236174] [2022-10-16 15:13:58,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536236174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:58,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:58,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71655257] [2022-10-16 15:13:58,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:58,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:58,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:58,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:58,729 INFO L87 Difference]: Start difference. First operand 197 states and 295 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:58,832 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2022-10-16 15:13:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:13:58,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-16 15:13:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:58,835 INFO L225 Difference]: With dead ends: 341 [2022-10-16 15:13:58,835 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 15:13:58,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:13:58,838 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 3 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:58,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1128 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:58,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 15:13:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-16 15:13:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 173 states have (on average 1.4682080924855492) internal successors, (254), 196 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 254 transitions. [2022-10-16 15:13:58,852 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 254 transitions. Word has length 10 [2022-10-16 15:13:58,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:58,853 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 254 transitions. [2022-10-16 15:13:58,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 254 transitions. [2022-10-16 15:13:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:13:58,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:58,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:58,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:13:58,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:58,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:58,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1689881012, now seen corresponding path program 1 times [2022-10-16 15:13:58,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:58,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423320447] [2022-10-16 15:13:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:58,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:59,094 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 15:13:59,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:59,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423320447] [2022-10-16 15:13:59,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423320447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:59,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:59,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:59,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643204876] [2022-10-16 15:13:59,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:59,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:59,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:59,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:59,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:59,101 INFO L87 Difference]: Start difference. First operand 197 states and 254 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:59,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:59,144 INFO L93 Difference]: Finished difference Result 461 states and 624 transitions. [2022-10-16 15:13:59,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:59,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:13:59,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:59,150 INFO L225 Difference]: With dead ends: 461 [2022-10-16 15:13:59,151 INFO L226 Difference]: Without dead ends: 321 [2022-10-16 15:13:59,156 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 15:13:59,165 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 181 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:59,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 621 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:59,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-10-16 15:13:59,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 299. [2022-10-16 15:13:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 275 states have (on average 1.549090909090909) internal successors, (426), 298 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 426 transitions. [2022-10-16 15:13:59,222 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 426 transitions. Word has length 60 [2022-10-16 15:13:59,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:59,223 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 426 transitions. [2022-10-16 15:13:59,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 426 transitions. [2022-10-16 15:13:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:13:59,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:59,232 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 15:13:59,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:13:59,235 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:59,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:59,236 INFO L85 PathProgramCache]: Analyzing trace with hash -375988261, now seen corresponding path program 1 times [2022-10-16 15:13:59,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:59,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439967035] [2022-10-16 15:13:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:59,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:59,431 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 15:13:59,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:59,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439967035] [2022-10-16 15:13:59,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439967035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:59,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:59,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:59,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092715157] [2022-10-16 15:13:59,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:59,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:59,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:59,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:59,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:59,435 INFO L87 Difference]: Start difference. First operand 299 states and 426 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:59,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:59,471 INFO L93 Difference]: Finished difference Result 759 states and 1124 transitions. [2022-10-16 15:13:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:59,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 15:13:59,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:59,475 INFO L225 Difference]: With dead ends: 759 [2022-10-16 15:13:59,475 INFO L226 Difference]: Without dead ends: 517 [2022-10-16 15:13:59,477 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 15:13:59,478 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 180 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:59,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 616 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:59,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-10-16 15:13:59,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 493. [2022-10-16 15:13:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 469 states have (on average 1.605543710021322) internal successors, (753), 492 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 753 transitions. [2022-10-16 15:13:59,505 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 753 transitions. Word has length 84 [2022-10-16 15:13:59,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:59,506 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 753 transitions. [2022-10-16 15:13:59,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 753 transitions. [2022-10-16 15:13:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 15:13:59,508 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:59,509 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 15:13:59,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:13:59,509 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:59,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:59,510 INFO L85 PathProgramCache]: Analyzing trace with hash -466777537, now seen corresponding path program 1 times [2022-10-16 15:13:59,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:59,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012317986] [2022-10-16 15:13:59,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:59,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:59,663 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 15:13:59,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:59,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012317986] [2022-10-16 15:13:59,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012317986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:59,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:59,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:59,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966608640] [2022-10-16 15:13:59,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:59,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:59,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:59,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:59,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:59,668 INFO L87 Difference]: Start difference. First operand 493 states and 753 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 15:13:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:59,729 INFO L93 Difference]: Finished difference Result 1317 states and 2065 transitions. [2022-10-16 15:13:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:59,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 15:13:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:59,737 INFO L225 Difference]: With dead ends: 1317 [2022-10-16 15:13:59,737 INFO L226 Difference]: Without dead ends: 881 [2022-10-16 15:13:59,738 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 15:13:59,742 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 175 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:59,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 607 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:59,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-10-16 15:13:59,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 857. [2022-10-16 15:13:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 833 states have (on average 1.638655462184874) internal successors, (1365), 856 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1365 transitions. [2022-10-16 15:13:59,806 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1365 transitions. Word has length 85 [2022-10-16 15:13:59,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:59,807 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1365 transitions. [2022-10-16 15:13:59,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 15:13:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1365 transitions. [2022-10-16 15:13:59,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:13:59,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:59,815 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 15:13:59,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:13:59,816 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:59,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:59,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1770566891, now seen corresponding path program 1 times [2022-10-16 15:13:59,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:59,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643803594] [2022-10-16 15:13:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:59,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:59,983 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 15:13:59,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:59,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643803594] [2022-10-16 15:13:59,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643803594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:59,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:59,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:59,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144608848] [2022-10-16 15:13:59,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:59,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:59,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:59,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:59,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:59,987 INFO L87 Difference]: Start difference. First operand 857 states and 1365 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:00,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:00,059 INFO L93 Difference]: Finished difference Result 2361 states and 3821 transitions. [2022-10-16 15:14:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:14:00,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:14:00,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:00,070 INFO L225 Difference]: With dead ends: 2361 [2022-10-16 15:14:00,070 INFO L226 Difference]: Without dead ends: 1561 [2022-10-16 15:14:00,072 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 15:14:00,075 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 170 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:00,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:00,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-10-16 15:14:00,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1537. [2022-10-16 15:14:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1513 states have (on average 1.6556510244547258) internal successors, (2505), 1536 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2505 transitions. [2022-10-16 15:14:00,158 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2505 transitions. Word has length 86 [2022-10-16 15:14:00,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:00,160 INFO L495 AbstractCegarLoop]: Abstraction has 1537 states and 2505 transitions. [2022-10-16 15:14:00,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2505 transitions. [2022-10-16 15:14:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:14:00,166 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:00,166 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 15:14:00,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:14:00,166 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:00,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:00,168 INFO L85 PathProgramCache]: Analyzing trace with hash -789958577, now seen corresponding path program 1 times [2022-10-16 15:14:00,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:00,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096756182] [2022-10-16 15:14:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:00,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:00,305 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 15:14:00,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:00,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096756182] [2022-10-16 15:14:00,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096756182] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:00,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:00,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:00,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067413522] [2022-10-16 15:14:00,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:00,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:14:00,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:00,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:14:00,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:00,308 INFO L87 Difference]: Start difference. First operand 1537 states and 2505 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:00,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:00,443 INFO L93 Difference]: Finished difference Result 4305 states and 7081 transitions. [2022-10-16 15:14:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:14:00,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 15:14:00,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:00,460 INFO L225 Difference]: With dead ends: 4305 [2022-10-16 15:14:00,460 INFO L226 Difference]: Without dead ends: 2825 [2022-10-16 15:14:00,463 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 15:14:00,467 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 165 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:00,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 589 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:00,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2825 states. [2022-10-16 15:14:00,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2825 to 2801. [2022-10-16 15:14:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 2777 states have (on average 1.6625855239467051) internal successors, (4617), 2800 states have internal predecessors, (4617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 4617 transitions. [2022-10-16 15:14:00,644 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 4617 transitions. Word has length 87 [2022-10-16 15:14:00,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:00,644 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 4617 transitions. [2022-10-16 15:14:00,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 4617 transitions. [2022-10-16 15:14:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:14:00,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:00,650 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 15:14:00,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:14:00,653 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:00,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:00,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1206794747, now seen corresponding path program 1 times [2022-10-16 15:14:00,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:00,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475357552] [2022-10-16 15:14:00,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:00,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:00,766 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 15:14:00,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:00,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475357552] [2022-10-16 15:14:00,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475357552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:00,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:00,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:00,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059366345] [2022-10-16 15:14:00,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:00,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:14:00,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:00,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:14:00,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:00,769 INFO L87 Difference]: Start difference. First operand 2801 states and 4617 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 15:14:01,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:01,007 INFO L93 Difference]: Finished difference Result 7905 states and 13097 transitions. [2022-10-16 15:14:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:14:01,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 15:14:01,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:01,036 INFO L225 Difference]: With dead ends: 7905 [2022-10-16 15:14:01,037 INFO L226 Difference]: Without dead ends: 5161 [2022-10-16 15:14:01,044 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 15:14:01,045 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 160 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:01,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 580 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2022-10-16 15:14:01,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 5137. [2022-10-16 15:14:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 5113 states have (on average 1.663407001760219) internal successors, (8505), 5136 states have internal predecessors, (8505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 8505 transitions. [2022-10-16 15:14:01,380 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 8505 transitions. Word has length 88 [2022-10-16 15:14:01,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:01,380 INFO L495 AbstractCegarLoop]: Abstraction has 5137 states and 8505 transitions. [2022-10-16 15:14:01,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 15:14:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 8505 transitions. [2022-10-16 15:14:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:14:01,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:01,385 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] [2022-10-16 15:14:01,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:14:01,386 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:01,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:01,388 INFO L85 PathProgramCache]: Analyzing trace with hash -484161953, now seen corresponding path program 1 times [2022-10-16 15:14:01,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:01,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946816932] [2022-10-16 15:14:01,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:01,532 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 15:14:01,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:01,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946816932] [2022-10-16 15:14:01,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946816932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:01,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:01,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:01,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564986366] [2022-10-16 15:14:01,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:01,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:14:01,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:01,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:14:01,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:14:01,536 INFO L87 Difference]: Start difference. First operand 5137 states and 8505 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:02,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:02,359 INFO L93 Difference]: Finished difference Result 15295 states and 25401 transitions. [2022-10-16 15:14:02,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:14:02,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-16 15:14:02,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:02,461 INFO L225 Difference]: With dead ends: 15295 [2022-10-16 15:14:02,462 INFO L226 Difference]: Without dead ends: 15293 [2022-10-16 15:14:02,469 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 15:14:02,469 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 590 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:02,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 564 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:14:02,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15293 states. [2022-10-16 15:14:03,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15293 to 10193. [2022-10-16 15:14:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10193 states, 10169 states have (on average 1.6545383026846296) internal successors, (16825), 10192 states have internal predecessors, (16825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 16825 transitions. [2022-10-16 15:14:03,151 INFO L78 Accepts]: Start accepts. Automaton has 10193 states and 16825 transitions. Word has length 89 [2022-10-16 15:14:03,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:03,152 INFO L495 AbstractCegarLoop]: Abstraction has 10193 states and 16825 transitions. [2022-10-16 15:14:03,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 10193 states and 16825 transitions. [2022-10-16 15:14:03,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:14:03,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:03,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:03,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:14:03,154 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:03,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:03,155 INFO L85 PathProgramCache]: Analyzing trace with hash -2124117982, now seen corresponding path program 1 times [2022-10-16 15:14:03,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:03,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486797358] [2022-10-16 15:14:03,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:03,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:03,265 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 15:14:03,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:03,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486797358] [2022-10-16 15:14:03,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486797358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:03,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:03,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:03,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308827421] [2022-10-16 15:14:03,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:03,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:14:03,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:03,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:14:03,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:14:03,268 INFO L87 Difference]: Start difference. First operand 10193 states and 16825 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:04,006 INFO L93 Difference]: Finished difference Result 15271 states and 25273 transitions. [2022-10-16 15:14:04,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:14:04,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:14:04,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:04,050 INFO L225 Difference]: With dead ends: 15271 [2022-10-16 15:14:04,050 INFO L226 Difference]: Without dead ends: 15269 [2022-10-16 15:14:04,057 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 15:14:04,058 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 589 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:04,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 390 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:14:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15269 states. [2022-10-16 15:14:04,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15269 to 15249. [2022-10-16 15:14:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15249 states, 15225 states have (on average 1.643152709359606) internal successors, (25017), 15248 states have internal predecessors, (25017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15249 states to 15249 states and 25017 transitions. [2022-10-16 15:14:05,000 INFO L78 Accepts]: Start accepts. Automaton has 15249 states and 25017 transitions. Word has length 90 [2022-10-16 15:14:05,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:05,000 INFO L495 AbstractCegarLoop]: Abstraction has 15249 states and 25017 transitions. [2022-10-16 15:14:05,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 15249 states and 25017 transitions. [2022-10-16 15:14:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:14:05,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:05,002 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] [2022-10-16 15:14:05,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:14:05,003 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:05,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:05,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1423147327, now seen corresponding path program 1 times [2022-10-16 15:14:05,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:05,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367339963] [2022-10-16 15:14:05,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:05,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:05,119 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 15:14:05,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:05,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367339963] [2022-10-16 15:14:05,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367339963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:05,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:05,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:14:05,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059321326] [2022-10-16 15:14:05,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:05,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:14:05,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:05,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:14:05,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:14:05,122 INFO L87 Difference]: Start difference. First operand 15249 states and 25017 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:06,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:06,398 INFO L93 Difference]: Finished difference Result 25421 states and 41529 transitions. [2022-10-16 15:14:06,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:14:06,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 15:14:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:06,469 INFO L225 Difference]: With dead ends: 25421 [2022-10-16 15:14:06,469 INFO L226 Difference]: Without dead ends: 25419 [2022-10-16 15:14:06,478 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 15:14:06,479 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1000 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:06,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 899 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:14:06,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25419 states. [2022-10-16 15:14:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25419 to 20305. [2022-10-16 15:14:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20305 states, 20281 states have (on average 1.6311325871505349) internal successors, (33081), 20304 states have internal predecessors, (33081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20305 states to 20305 states and 33081 transitions. [2022-10-16 15:14:07,858 INFO L78 Accepts]: Start accepts. Automaton has 20305 states and 33081 transitions. Word has length 91 [2022-10-16 15:14:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:07,859 INFO L495 AbstractCegarLoop]: Abstraction has 20305 states and 33081 transitions. [2022-10-16 15:14:07,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 20305 states and 33081 transitions. [2022-10-16 15:14:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:14:07,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:07,862 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] [2022-10-16 15:14:07,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:14:07,863 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:07,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:07,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1167893500, now seen corresponding path program 1 times [2022-10-16 15:14:07,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:07,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886988728] [2022-10-16 15:14:07,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:08,016 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 15:14:08,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:08,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886988728] [2022-10-16 15:14:08,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886988728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:08,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:08,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:14:08,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001357] [2022-10-16 15:14:08,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:08,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:14:08,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:08,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:14:08,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:14:08,019 INFO L87 Difference]: Start difference. First operand 20305 states and 33081 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:09,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:09,173 INFO L93 Difference]: Finished difference Result 25401 states and 41401 transitions. [2022-10-16 15:14:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:14:09,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:14:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:09,241 INFO L225 Difference]: With dead ends: 25401 [2022-10-16 15:14:09,241 INFO L226 Difference]: Without dead ends: 25399 [2022-10-16 15:14:09,251 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 15:14:09,252 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1161 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:09,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 581 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:14:09,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25399 states. [2022-10-16 15:14:10,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25399 to 25361. [2022-10-16 15:14:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25361 states, 25337 states have (on average 1.6188577968978175) internal successors, (41017), 25360 states have internal predecessors, (41017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25361 states to 25361 states and 41017 transitions. [2022-10-16 15:14:10,317 INFO L78 Accepts]: Start accepts. Automaton has 25361 states and 41017 transitions. Word has length 92 [2022-10-16 15:14:10,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:10,318 INFO L495 AbstractCegarLoop]: Abstraction has 25361 states and 41017 transitions. [2022-10-16 15:14:10,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 25361 states and 41017 transitions. [2022-10-16 15:14:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:14:10,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:10,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:10,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:14:10,320 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:10,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:10,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1844959453, now seen corresponding path program 1 times [2022-10-16 15:14:10,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:10,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154931090] [2022-10-16 15:14:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:10,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:10,589 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 15:14:10,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:10,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154931090] [2022-10-16 15:14:10,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154931090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:10,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:10,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:14:10,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512396332] [2022-10-16 15:14:10,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:10,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:14:10,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:14:10,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:14:10,593 INFO L87 Difference]: Start difference. First operand 25361 states and 41017 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:12,575 INFO L93 Difference]: Finished difference Result 40599 states and 65465 transitions. [2022-10-16 15:14:12,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:14:12,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:14:12,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:12,679 INFO L225 Difference]: With dead ends: 40599 [2022-10-16 15:14:12,679 INFO L226 Difference]: Without dead ends: 40597 [2022-10-16 15:14:12,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:14:12,697 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1556 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:12,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 1255 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:14:12,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40597 states. [2022-10-16 15:14:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40597 to 30417. [2022-10-16 15:14:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30417 states, 30393 states have (on average 1.6064554338169974) internal successors, (48825), 30416 states have internal predecessors, (48825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30417 states to 30417 states and 48825 transitions. [2022-10-16 15:14:14,132 INFO L78 Accepts]: Start accepts. Automaton has 30417 states and 48825 transitions. Word has length 93 [2022-10-16 15:14:14,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:14,133 INFO L495 AbstractCegarLoop]: Abstraction has 30417 states and 48825 transitions. [2022-10-16 15:14:14,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 30417 states and 48825 transitions. [2022-10-16 15:14:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:14:14,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:14,135 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] [2022-10-16 15:14:14,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:14:14,135 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:14,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:14,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1359167514, now seen corresponding path program 1 times [2022-10-16 15:14:14,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:14,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474039808] [2022-10-16 15:14:14,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:14,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:14,270 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 15:14:14,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:14,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474039808] [2022-10-16 15:14:14,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474039808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:14,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:14,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:14:14,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177902006] [2022-10-16 15:14:14,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:14,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:14:14,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:14,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:14:14,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:14:14,273 INFO L87 Difference]: Start difference. First operand 30417 states and 48825 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:16,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:16,043 INFO L93 Difference]: Finished difference Result 40585 states and 65081 transitions. [2022-10-16 15:14:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:14:16,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:14:16,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:16,121 INFO L225 Difference]: With dead ends: 40585 [2022-10-16 15:14:16,121 INFO L226 Difference]: Without dead ends: 40583 [2022-10-16 15:14:16,135 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 15:14:16,136 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1558 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:16,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 915 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:14:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40583 states. [2022-10-16 15:14:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40583 to 40529. [2022-10-16 15:14:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40529 states, 40505 states have (on average 1.5940994938896433) internal successors, (64569), 40528 states have internal predecessors, (64569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40529 states to 40529 states and 64569 transitions. [2022-10-16 15:14:17,960 INFO L78 Accepts]: Start accepts. Automaton has 40529 states and 64569 transitions. Word has length 94 [2022-10-16 15:14:17,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:17,961 INFO L495 AbstractCegarLoop]: Abstraction has 40529 states and 64569 transitions. [2022-10-16 15:14:17,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 40529 states and 64569 transitions. [2022-10-16 15:14:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:14:17,962 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:17,963 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] [2022-10-16 15:14:17,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:14:17,963 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:17,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:17,964 INFO L85 PathProgramCache]: Analyzing trace with hash 815480709, now seen corresponding path program 1 times [2022-10-16 15:14:17,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:17,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452364721] [2022-10-16 15:14:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:17,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:18,126 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 15:14:18,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:18,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452364721] [2022-10-16 15:14:18,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452364721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:18,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:18,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:14:18,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292118220] [2022-10-16 15:14:18,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:18,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:14:18,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:18,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:14:18,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:14:18,130 INFO L87 Difference]: Start difference. First operand 40529 states and 64569 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:20,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:20,769 INFO L93 Difference]: Finished difference Result 60829 states and 96825 transitions. [2022-10-16 15:14:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 15:14:20,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 15:14:20,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:20,883 INFO L225 Difference]: With dead ends: 60829 [2022-10-16 15:14:20,883 INFO L226 Difference]: Without dead ends: 60827 [2022-10-16 15:14:20,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:14:20,905 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1928 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:20,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 1752 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:14:20,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60827 states. [2022-10-16 15:14:22,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60827 to 45585. [2022-10-16 15:14:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45585 states, 45561 states have (on average 1.582954720045653) internal successors, (72121), 45584 states have internal predecessors, (72121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45585 states to 45585 states and 72121 transitions. [2022-10-16 15:14:22,975 INFO L78 Accepts]: Start accepts. Automaton has 45585 states and 72121 transitions. Word has length 95 [2022-10-16 15:14:22,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:22,975 INFO L495 AbstractCegarLoop]: Abstraction has 45585 states and 72121 transitions. [2022-10-16 15:14:22,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 45585 states and 72121 transitions. [2022-10-16 15:14:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:14:22,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:22,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:22,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:14:22,977 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash -489901112, now seen corresponding path program 1 times [2022-10-16 15:14:22,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:22,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413539335] [2022-10-16 15:14:22,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:22,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:23,401 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 15:14:23,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:23,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413539335] [2022-10-16 15:14:23,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413539335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:23,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:23,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:14:23,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185933109] [2022-10-16 15:14:23,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:23,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:14:23,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:23,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:14:23,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:14:23,406 INFO L87 Difference]: Start difference. First operand 45585 states and 72121 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:26,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:26,142 INFO L93 Difference]: Finished difference Result 60823 states and 95929 transitions. [2022-10-16 15:14:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 15:14:26,143 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 15:14:26,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:26,223 INFO L225 Difference]: With dead ends: 60823 [2022-10-16 15:14:26,223 INFO L226 Difference]: Without dead ends: 60821 [2022-10-16 15:14:26,237 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 15:14:26,238 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2096 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:26,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 1272 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:14:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60821 states. [2022-10-16 15:14:28,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60821 to 60753. [2022-10-16 15:14:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60753 states, 60729 states have (on average 1.5690856098404387) internal successors, (95289), 60752 states have internal predecessors, (95289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60753 states to 60753 states and 95289 transitions. [2022-10-16 15:14:28,963 INFO L78 Accepts]: Start accepts. Automaton has 60753 states and 95289 transitions. Word has length 96 [2022-10-16 15:14:28,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:28,964 INFO L495 AbstractCegarLoop]: Abstraction has 60753 states and 95289 transitions. [2022-10-16 15:14:28,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 60753 states and 95289 transitions. [2022-10-16 15:14:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 15:14:28,965 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:28,965 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] [2022-10-16 15:14:28,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:14:28,966 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:28,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1992935399, now seen corresponding path program 1 times [2022-10-16 15:14:28,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:28,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528687964] [2022-10-16 15:14:28,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:28,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:29,140 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 15:14:29,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:29,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528687964] [2022-10-16 15:14:29,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528687964] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:29,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:29,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:14:29,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504183469] [2022-10-16 15:14:29,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:29,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:14:29,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:29,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:14:29,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:14:29,143 INFO L87 Difference]: Start difference. First operand 60753 states and 95289 transitions. Second operand has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:33,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:33,193 INFO L93 Difference]: Finished difference Result 146805 states and 230457 transitions. [2022-10-16 15:14:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 15:14:33,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 15:14:33,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:33,356 INFO L225 Difference]: With dead ends: 146805 [2022-10-16 15:14:33,356 INFO L226 Difference]: Without dead ends: 86109 [2022-10-16 15:14:33,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:14:33,429 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 2272 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:33,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 2388 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:14:33,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86109 states. [2022-10-16 15:14:36,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86109 to 65809. [2022-10-16 15:14:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65809 states, 65785 states have (on average 1.5574523067568595) internal successors, (102457), 65808 states have internal predecessors, (102457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65809 states to 65809 states and 102457 transitions. [2022-10-16 15:14:36,712 INFO L78 Accepts]: Start accepts. Automaton has 65809 states and 102457 transitions. Word has length 97 [2022-10-16 15:14:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:36,712 INFO L495 AbstractCegarLoop]: Abstraction has 65809 states and 102457 transitions. [2022-10-16 15:14:36,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:36,712 INFO L276 IsEmpty]: Start isEmpty. Operand 65809 states and 102457 transitions. [2022-10-16 15:14:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:14:36,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:36,713 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] [2022-10-16 15:14:36,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:14:36,714 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:36,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1651455914, now seen corresponding path program 1 times [2022-10-16 15:14:36,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:36,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586453025] [2022-10-16 15:14:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:36,878 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 15:14:36,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:36,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586453025] [2022-10-16 15:14:36,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586453025] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:36,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:36,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:14:36,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877199590] [2022-10-16 15:14:36,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:36,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:14:36,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:36,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:14:36,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:14:36,881 INFO L87 Difference]: Start difference. First operand 65809 states and 102457 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:42,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:42,045 INFO L93 Difference]: Finished difference Result 121567 states and 190265 transitions. [2022-10-16 15:14:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 15:14:42,046 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 15:14:42,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:42,243 INFO L225 Difference]: With dead ends: 121567 [2022-10-16 15:14:42,243 INFO L226 Difference]: Without dead ends: 121565 [2022-10-16 15:14:42,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 15:14:42,278 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 3134 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3134 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:42,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3134 Valid, 2306 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:14:42,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121565 states. [2022-10-16 15:14:47,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121565 to 121425. [2022-10-16 15:14:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121425 states, 121401 states have (on average 1.5535374502681196) internal successors, (188601), 121424 states have internal predecessors, (188601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121425 states to 121425 states and 188601 transitions. [2022-10-16 15:14:48,096 INFO L78 Accepts]: Start accepts. Automaton has 121425 states and 188601 transitions. Word has length 98 [2022-10-16 15:14:48,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:48,096 INFO L495 AbstractCegarLoop]: Abstraction has 121425 states and 188601 transitions. [2022-10-16 15:14:48,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 121425 states and 188601 transitions. [2022-10-16 15:14:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:14:48,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:48,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:48,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:14:48,099 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:48,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:48,099 INFO L85 PathProgramCache]: Analyzing trace with hash -125288077, now seen corresponding path program 1 times [2022-10-16 15:14:48,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:48,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690414395] [2022-10-16 15:14:48,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:48,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:48,235 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 15:14:48,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:48,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690414395] [2022-10-16 15:14:48,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690414395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:48,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:48,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:48,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876173615] [2022-10-16 15:14:48,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:48,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:14:48,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:48,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:14:48,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:14:48,238 INFO L87 Difference]: Start difference. First operand 121425 states and 188601 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:52,624 INFO L93 Difference]: Finished difference Result 121511 states and 188712 transitions. [2022-10-16 15:14:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:14:52,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:14:52,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:52,814 INFO L225 Difference]: With dead ends: 121511 [2022-10-16 15:14:52,815 INFO L226 Difference]: Without dead ends: 121509 [2022-10-16 15:14:52,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 15:14:52,843 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 63 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:52,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 745 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121509 states. [2022-10-16 15:14:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121509 to 121509. [2022-10-16 15:14:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121509 states, 121485 states have (on average 1.553360497180722) internal successors, (188710), 121508 states have internal predecessors, (188710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121509 states to 121509 states and 188710 transitions. [2022-10-16 15:14:58,570 INFO L78 Accepts]: Start accepts. Automaton has 121509 states and 188710 transitions. Word has length 105 [2022-10-16 15:14:58,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:58,571 INFO L495 AbstractCegarLoop]: Abstraction has 121509 states and 188710 transitions. [2022-10-16 15:14:58,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 121509 states and 188710 transitions. [2022-10-16 15:14:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:14:58,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:58,572 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:58,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:14:58,573 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:58,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:58,573 INFO L85 PathProgramCache]: Analyzing trace with hash 271214924, now seen corresponding path program 1 times [2022-10-16 15:14:58,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:58,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369830762] [2022-10-16 15:14:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:14:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:58,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369830762] [2022-10-16 15:14:58,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369830762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:58,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:58,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:14:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472380790] [2022-10-16 15:14:58,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:58,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:14:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:58,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:14:58,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:58,727 INFO L87 Difference]: Start difference. First operand 121509 states and 188710 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:03,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:15:03,371 INFO L93 Difference]: Finished difference Result 121509 states and 188710 transitions. [2022-10-16 15:15:03,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:15:03,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:15:03,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:15:03,579 INFO L225 Difference]: With dead ends: 121509 [2022-10-16 15:15:03,579 INFO L226 Difference]: Without dead ends: 121508 [2022-10-16 15:15:03,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:15:03,612 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 145 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:15:03,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 247 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:15:03,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121508 states. [2022-10-16 15:15:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121508 to 121508. [2022-10-16 15:15:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121508 states, 121485 states have (on average 1.5470387290612009) internal successors, (187942), 121507 states have internal predecessors, (187942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121508 states to 121508 states and 187942 transitions. [2022-10-16 15:15:09,291 INFO L78 Accepts]: Start accepts. Automaton has 121508 states and 187942 transitions. Word has length 109 [2022-10-16 15:15:09,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:15:09,292 INFO L495 AbstractCegarLoop]: Abstraction has 121508 states and 187942 transitions. [2022-10-16 15:15:09,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 121508 states and 187942 transitions. [2022-10-16 15:15:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:15:09,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:15:09,293 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:15:09,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:15:09,294 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:15:09,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:15:09,294 INFO L85 PathProgramCache]: Analyzing trace with hash -182271624, now seen corresponding path program 1 times [2022-10-16 15:15:09,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:15:09,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374029761] [2022-10-16 15:15:09,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:15:09,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:15:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:15:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:15:09,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:15:09,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374029761] [2022-10-16 15:15:09,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374029761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:15:09,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:15:09,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:15:09,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134569183] [2022-10-16 15:15:09,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:15:09,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:15:09,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:15:09,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:15:09,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:15:09,394 INFO L87 Difference]: Start difference. First operand 121508 states and 187942 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:13,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:15:13,973 INFO L93 Difference]: Finished difference Result 121508 states and 187942 transitions. [2022-10-16 15:15:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:15:13,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:15:13,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:15:14,163 INFO L225 Difference]: With dead ends: 121508 [2022-10-16 15:15:14,163 INFO L226 Difference]: Without dead ends: 121507 [2022-10-16 15:15:14,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:15:14,195 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 143 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:15:14,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 247 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:15:14,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121507 states. [2022-10-16 15:15:19,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121507 to 121507. [2022-10-16 15:15:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121507 states, 121485 states have (on average 1.54071696094168) internal successors, (187174), 121506 states have internal predecessors, (187174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121507 states to 121507 states and 187174 transitions. [2022-10-16 15:15:20,121 INFO L78 Accepts]: Start accepts. Automaton has 121507 states and 187174 transitions. Word has length 110 [2022-10-16 15:15:20,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:15:20,121 INFO L495 AbstractCegarLoop]: Abstraction has 121507 states and 187174 transitions. [2022-10-16 15:15:20,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 121507 states and 187174 transitions. [2022-10-16 15:15:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:15:20,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:15:20,128 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:15:20,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:15:20,129 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:15:20,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:15:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1199352597, now seen corresponding path program 1 times [2022-10-16 15:15:20,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:15:20,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486536582] [2022-10-16 15:15:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:15:20,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:15:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:15:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:15:20,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:15:20,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486536582] [2022-10-16 15:15:20,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486536582] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:15:20,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:15:20,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:15:20,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241446660] [2022-10-16 15:15:20,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:15:20,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:15:20,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:15:20,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:15:20,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:15:20,216 INFO L87 Difference]: Start difference. First operand 121507 states and 187174 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:29,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:15:29,840 INFO L93 Difference]: Finished difference Result 358930 states and 552058 transitions. [2022-10-16 15:15:29,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:15:29,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 15:15:29,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:15:30,534 INFO L225 Difference]: With dead ends: 358930 [2022-10-16 15:15:30,534 INFO L226 Difference]: Without dead ends: 237564 [2022-10-16 15:15:30,671 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 15:15:30,672 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 136 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:15:30,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 506 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:15:30,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237564 states. [2022-10-16 15:15:41,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237564 to 237542. [2022-10-16 15:15:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237542 states, 237520 states have (on average 1.530456382620411) internal successors, (363514), 237541 states have internal predecessors, (363514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237542 states to 237542 states and 363514 transitions. [2022-10-16 15:15:43,253 INFO L78 Accepts]: Start accepts. Automaton has 237542 states and 363514 transitions. Word has length 136 [2022-10-16 15:15:43,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:15:43,254 INFO L495 AbstractCegarLoop]: Abstraction has 237542 states and 363514 transitions. [2022-10-16 15:15:43,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 237542 states and 363514 transitions. [2022-10-16 15:15:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 15:15:43,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:15:43,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:15:43,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:15:43,269 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:15:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:15:43,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1709705671, now seen corresponding path program 1 times [2022-10-16 15:15:43,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:15:43,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331880170] [2022-10-16 15:15:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:15:43,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:15:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:15:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:15:43,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:15:43,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331880170] [2022-10-16 15:15:43,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331880170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:15:43,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:15:43,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:15:43,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017496932] [2022-10-16 15:15:43,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:15:43,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:15:43,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:15:43,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:15:43,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:15:43,352 INFO L87 Difference]: Start difference. First operand 237542 states and 363514 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)