/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:53:32,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:53:32,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:53:32,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:53:32,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:53:32,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:53:32,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:53:32,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:53:32,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:53:32,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:53:32,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:53:32,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:53:32,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:53:32,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:53:32,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:53:32,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:53:32,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:53:32,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:53:32,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:53:32,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:53:32,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:53:32,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:53:32,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:53:32,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:53:32,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:53:32,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:53:32,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:53:32,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:53:32,430 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 15:53:32,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:53:32,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:53:32,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:53:32,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:53:32,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:53:32,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:53:32,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:53:32,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:53:32,493 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:53:32,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:53:32,494 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:53:32,495 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:53:32,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:53:32,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:53:32,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:53:32,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:53:32,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:53:32,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:53:32,496 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:53:32,496 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:53:32,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:53:32,497 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:53:32,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:53:32,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:53:32,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:53:32,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:53:32,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:53:32,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:53:32,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:53:32,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:53:32,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:53:32,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:53:32,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:53:32,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:53:32,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:53:32,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:53:32,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:53:32,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:53:32,985 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:53:32,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 15:53:33,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea2e38e99/2e37ddbd464b4c6cbe6efb2c656c8076/FLAGcb0f9d54f [2022-10-16 15:53:33,915 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:53:33,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 15:53:33,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea2e38e99/2e37ddbd464b4c6cbe6efb2c656c8076/FLAGcb0f9d54f [2022-10-16 15:53:34,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea2e38e99/2e37ddbd464b4c6cbe6efb2c656c8076 [2022-10-16 15:53:34,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:53:34,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:53:34,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:53:34,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:53:34,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:53:34,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:53:34" (1/1) ... [2022-10-16 15:53:34,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292cb7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:34, skipping insertion in model container [2022-10-16 15:53:34,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:53:34" (1/1) ... [2022-10-16 15:53:34,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:53:34,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:53:34,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[21524,21537] [2022-10-16 15:53:34,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:53:34,873 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:53:35,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[21524,21537] [2022-10-16 15:53:35,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:53:35,184 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:53:35,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35 WrapperNode [2022-10-16 15:53:35,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:53:35,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:53:35,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:53:35,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:53:35,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,338 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2775 [2022-10-16 15:53:35,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:53:35,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:53:35,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:53:35,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:53:35,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:53:35,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:53:35,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:53:35,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:53:35,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (1/1) ... [2022-10-16 15:53:35,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:53:35,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:53:35,538 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 15:53:35,555 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 15:53:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:53:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:53:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:53:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:53:35,843 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:53:35,845 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:53:37,957 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:53:37,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:53:37,982 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:53:37,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:53:37 BoogieIcfgContainer [2022-10-16 15:53:37,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:53:37,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:53:37,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:53:37,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:53:37,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:53:34" (1/3) ... [2022-10-16 15:53:37,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b702fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:53:37, skipping insertion in model container [2022-10-16 15:53:37,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:35" (2/3) ... [2022-10-16 15:53:37,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b702fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:53:37, skipping insertion in model container [2022-10-16 15:53:37,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:53:37" (3/3) ... [2022-10-16 15:53:37,998 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 15:53:38,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:53:38,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-10-16 15:53:38,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:53:38,136 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;@3fd0ea7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:53:38,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-10-16 15:53:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 838 states, 775 states have (on average 1.8503225806451613) internal successors, (1434), 837 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-16 15:53:38,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:38,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:38,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:38,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:38,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1305295780, now seen corresponding path program 1 times [2022-10-16 15:53:38,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:38,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994115258] [2022-10-16 15:53:38,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:38,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:39,131 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 15:53:39,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:39,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994115258] [2022-10-16 15:53:39,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994115258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:39,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:39,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:39,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769516906] [2022-10-16 15:53:39,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:39,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:39,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:39,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:39,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:39,196 INFO L87 Difference]: Start difference. First operand has 838 states, 775 states have (on average 1.8503225806451613) internal successors, (1434), 837 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:39,497 INFO L93 Difference]: Finished difference Result 1431 states and 2274 transitions. [2022-10-16 15:53:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2022-10-16 15:53:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:39,541 INFO L225 Difference]: With dead ends: 1431 [2022-10-16 15:53:39,542 INFO L226 Difference]: Without dead ends: 1110 [2022-10-16 15:53:39,552 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 15:53:39,559 INFO L413 NwaCegarLoop]: 1817 mSDtfsCounter, 426 mSDsluCounter, 1381 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 3198 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:39,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 3198 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:39,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-10-16 15:53:39,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1050. [2022-10-16 15:53:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 988 states have (on average 1.7955465587044535) internal successors, (1774), 1049 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1774 transitions. [2022-10-16 15:53:39,795 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1774 transitions. Word has length 166 [2022-10-16 15:53:39,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:39,796 INFO L495 AbstractCegarLoop]: Abstraction has 1050 states and 1774 transitions. [2022-10-16 15:53:39,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1774 transitions. [2022-10-16 15:53:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 15:53:39,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:39,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:39,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:53:39,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:39,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1387186284, now seen corresponding path program 1 times [2022-10-16 15:53:39,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:39,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680374857] [2022-10-16 15:53:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:39,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:40,144 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 15:53:40,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:40,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680374857] [2022-10-16 15:53:40,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680374857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:40,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:40,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:40,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194933035] [2022-10-16 15:53:40,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:40,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:40,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:40,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:40,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:40,152 INFO L87 Difference]: Start difference. First operand 1050 states and 1774 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:40,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:40,266 INFO L93 Difference]: Finished difference Result 1844 states and 2996 transitions. [2022-10-16 15:53:40,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:40,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-10-16 15:53:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:40,275 INFO L225 Difference]: With dead ends: 1844 [2022-10-16 15:53:40,276 INFO L226 Difference]: Without dead ends: 1317 [2022-10-16 15:53:40,278 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 15:53:40,280 INFO L413 NwaCegarLoop]: 1381 mSDtfsCounter, 380 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 2726 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:40,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 2726 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2022-10-16 15:53:40,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1272. [2022-10-16 15:53:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1210 states have (on average 1.7826446280991735) internal successors, (2157), 1271 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 2157 transitions. [2022-10-16 15:53:40,379 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 2157 transitions. Word has length 169 [2022-10-16 15:53:40,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:40,382 INFO L495 AbstractCegarLoop]: Abstraction has 1272 states and 2157 transitions. [2022-10-16 15:53:40,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2157 transitions. [2022-10-16 15:53:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 15:53:40,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:40,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:40,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:53:40,389 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:40,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:40,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1626165167, now seen corresponding path program 1 times [2022-10-16 15:53:40,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:40,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197595460] [2022-10-16 15:53:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:40,644 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 15:53:40,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:40,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197595460] [2022-10-16 15:53:40,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197595460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:40,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:40,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:40,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482557065] [2022-10-16 15:53:40,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:40,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:40,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:40,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:40,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:40,651 INFO L87 Difference]: Start difference. First operand 1272 states and 2157 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:40,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:40,824 INFO L93 Difference]: Finished difference Result 2659 states and 4401 transitions. [2022-10-16 15:53:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:40,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-10-16 15:53:40,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:40,841 INFO L225 Difference]: With dead ends: 2659 [2022-10-16 15:53:40,842 INFO L226 Difference]: Without dead ends: 1912 [2022-10-16 15:53:40,846 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 15:53:40,857 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 411 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 3080 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 15:53:40,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 3080 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:40,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2022-10-16 15:53:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1852. [2022-10-16 15:53:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1852 states, 1790 states have (on average 1.7798882681564245) internal successors, (3186), 1851 states have internal predecessors, (3186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 3186 transitions. [2022-10-16 15:53:41,049 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 3186 transitions. Word has length 173 [2022-10-16 15:53:41,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:41,050 INFO L495 AbstractCegarLoop]: Abstraction has 1852 states and 3186 transitions. [2022-10-16 15:53:41,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 3186 transitions. [2022-10-16 15:53:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 15:53:41,053 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:41,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:41,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:53:41,054 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:41,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:41,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1469744307, now seen corresponding path program 1 times [2022-10-16 15:53:41,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:41,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053707013] [2022-10-16 15:53:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:41,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:41,359 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 15:53:41,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:41,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053707013] [2022-10-16 15:53:41,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053707013] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:41,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:41,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:41,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111770786] [2022-10-16 15:53:41,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:41,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:41,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:41,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:41,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:41,362 INFO L87 Difference]: Start difference. First operand 1852 states and 3186 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:41,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:41,535 INFO L93 Difference]: Finished difference Result 3914 states and 6611 transitions. [2022-10-16 15:53:41,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:41,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2022-10-16 15:53:41,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:41,551 INFO L225 Difference]: With dead ends: 3914 [2022-10-16 15:53:41,552 INFO L226 Difference]: Without dead ends: 2587 [2022-10-16 15:53:41,556 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 15:53:41,557 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 413 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:41,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 2740 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:41,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2022-10-16 15:53:41,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 2524. [2022-10-16 15:53:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2524 states, 2462 states have (on average 1.7701056051990252) internal successors, (4358), 2523 states have internal predecessors, (4358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2524 states and 4358 transitions. [2022-10-16 15:53:41,754 INFO L78 Accepts]: Start accepts. Automaton has 2524 states and 4358 transitions. Word has length 176 [2022-10-16 15:53:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:41,754 INFO L495 AbstractCegarLoop]: Abstraction has 2524 states and 4358 transitions. [2022-10-16 15:53:41,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 4358 transitions. [2022-10-16 15:53:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-10-16 15:53:41,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:41,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:41,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:53:41,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:41,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:41,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1200853232, now seen corresponding path program 1 times [2022-10-16 15:53:41,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:41,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399093494] [2022-10-16 15:53:41,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:41,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:41,935 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 15:53:41,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:41,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399093494] [2022-10-16 15:53:41,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399093494] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:41,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:41,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:41,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755123354] [2022-10-16 15:53:41,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:41,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:41,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:41,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:41,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:41,939 INFO L87 Difference]: Start difference. First operand 2524 states and 4358 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:42,317 INFO L93 Difference]: Finished difference Result 6159 states and 10574 transitions. [2022-10-16 15:53:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:42,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-10-16 15:53:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:42,345 INFO L225 Difference]: With dead ends: 6159 [2022-10-16 15:53:42,345 INFO L226 Difference]: Without dead ends: 4183 [2022-10-16 15:53:42,350 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 15:53:42,351 INFO L413 NwaCegarLoop]: 1701 mSDtfsCounter, 404 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 3046 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 15:53:42,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 3046 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:42,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2022-10-16 15:53:42,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 4123. [2022-10-16 15:53:42,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4123 states, 4061 states have (on average 1.7697611425757203) internal successors, (7187), 4122 states have internal predecessors, (7187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:42,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 4123 states and 7187 transitions. [2022-10-16 15:53:42,717 INFO L78 Accepts]: Start accepts. Automaton has 4123 states and 7187 transitions. Word has length 180 [2022-10-16 15:53:42,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:42,718 INFO L495 AbstractCegarLoop]: Abstraction has 4123 states and 7187 transitions. [2022-10-16 15:53:42,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 4123 states and 7187 transitions. [2022-10-16 15:53:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 15:53:42,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:42,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:42,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:53:42,722 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:42,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:42,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1306167456, now seen corresponding path program 1 times [2022-10-16 15:53:42,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:42,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208345590] [2022-10-16 15:53:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:42,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:42,940 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 15:53:42,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:42,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208345590] [2022-10-16 15:53:42,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208345590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:42,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:42,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:42,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899757566] [2022-10-16 15:53:42,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:42,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:42,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:42,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:42,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:42,944 INFO L87 Difference]: Start difference. First operand 4123 states and 7187 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:43,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:43,504 INFO L93 Difference]: Finished difference Result 9596 states and 16618 transitions. [2022-10-16 15:53:43,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:43,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2022-10-16 15:53:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:43,544 INFO L225 Difference]: With dead ends: 9596 [2022-10-16 15:53:43,544 INFO L226 Difference]: Without dead ends: 6021 [2022-10-16 15:53:43,552 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 15:53:43,554 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 406 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:43,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 2742 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:43,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6021 states. [2022-10-16 15:53:44,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6021 to 5952. [2022-10-16 15:53:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5952 states, 5890 states have (on average 1.7614601018675722) internal successors, (10375), 5951 states have internal predecessors, (10375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 10375 transitions. [2022-10-16 15:53:44,143 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 10375 transitions. Word has length 183 [2022-10-16 15:53:44,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:44,144 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 10375 transitions. [2022-10-16 15:53:44,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 10375 transitions. [2022-10-16 15:53:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 15:53:44,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:44,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:44,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:53:44,148 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:44,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1628901725, now seen corresponding path program 1 times [2022-10-16 15:53:44,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:44,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200855038] [2022-10-16 15:53:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:44,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:44,345 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 15:53:44,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:44,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200855038] [2022-10-16 15:53:44,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200855038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:44,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:44,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:44,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578408352] [2022-10-16 15:53:44,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:44,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:44,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:44,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:44,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:44,348 INFO L87 Difference]: Start difference. First operand 5952 states and 10375 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:45,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:45,158 INFO L93 Difference]: Finished difference Result 15767 states and 27475 transitions. [2022-10-16 15:53:45,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:45,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2022-10-16 15:53:45,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:45,237 INFO L225 Difference]: With dead ends: 15767 [2022-10-16 15:53:45,238 INFO L226 Difference]: Without dead ends: 10386 [2022-10-16 15:53:45,253 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 15:53:45,257 INFO L413 NwaCegarLoop]: 1666 mSDtfsCounter, 397 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 3012 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 15:53:45,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 3012 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:45,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10386 states. [2022-10-16 15:53:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10386 to 10326. [2022-10-16 15:53:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10326 states, 10264 states have (on average 1.7622759158222916) internal successors, (18088), 10325 states have internal predecessors, (18088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10326 states to 10326 states and 18088 transitions. [2022-10-16 15:53:46,148 INFO L78 Accepts]: Start accepts. Automaton has 10326 states and 18088 transitions. Word has length 187 [2022-10-16 15:53:46,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:46,149 INFO L495 AbstractCegarLoop]: Abstraction has 10326 states and 18088 transitions. [2022-10-16 15:53:46,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 10326 states and 18088 transitions. [2022-10-16 15:53:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-10-16 15:53:46,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:46,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:46,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:53:46,154 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:46,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1685926399, now seen corresponding path program 1 times [2022-10-16 15:53:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:46,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187556166] [2022-10-16 15:53:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:46,388 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 15:53:46,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:46,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187556166] [2022-10-16 15:53:46,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187556166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:46,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:46,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793977736] [2022-10-16 15:53:46,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:46,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:46,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:46,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:46,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:46,392 INFO L87 Difference]: Start difference. First operand 10326 states and 18088 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:47,619 INFO L93 Difference]: Finished difference Result 25186 states and 43989 transitions. [2022-10-16 15:53:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:47,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2022-10-16 15:53:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:47,670 INFO L225 Difference]: With dead ends: 25186 [2022-10-16 15:53:47,671 INFO L226 Difference]: Without dead ends: 15431 [2022-10-16 15:53:47,691 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 15:53:47,692 INFO L413 NwaCegarLoop]: 1388 mSDtfsCounter, 399 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:47,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 2744 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:47,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15431 states. [2022-10-16 15:53:48,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15431 to 15344. [2022-10-16 15:53:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15344 states, 15282 states have (on average 1.7542206517471535) internal successors, (26808), 15343 states have internal predecessors, (26808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15344 states to 15344 states and 26808 transitions. [2022-10-16 15:53:48,850 INFO L78 Accepts]: Start accepts. Automaton has 15344 states and 26808 transitions. Word has length 190 [2022-10-16 15:53:48,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:48,851 INFO L495 AbstractCegarLoop]: Abstraction has 15344 states and 26808 transitions. [2022-10-16 15:53:48,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 15344 states and 26808 transitions. [2022-10-16 15:53:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-10-16 15:53:48,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:48,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:48,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:53:48,859 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:48,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:48,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1251398084, now seen corresponding path program 1 times [2022-10-16 15:53:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:48,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317607225] [2022-10-16 15:53:48,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:48,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:49,072 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 15:53:49,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:49,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317607225] [2022-10-16 15:53:49,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317607225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:49,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:49,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:49,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932160175] [2022-10-16 15:53:49,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:49,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:49,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:49,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:49,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:49,076 INFO L87 Difference]: Start difference. First operand 15344 states and 26808 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:51,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:51,183 INFO L93 Difference]: Finished difference Result 42007 states and 73464 transitions. [2022-10-16 15:53:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:51,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 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 194 [2022-10-16 15:53:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:51,283 INFO L225 Difference]: With dead ends: 42007 [2022-10-16 15:53:51,283 INFO L226 Difference]: Without dead ends: 27257 [2022-10-16 15:53:51,319 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 15:53:51,320 INFO L413 NwaCegarLoop]: 1631 mSDtfsCounter, 390 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 2978 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 15:53:51,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 2978 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27257 states. [2022-10-16 15:53:53,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27257 to 27197. [2022-10-16 15:53:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27197 states, 27135 states have (on average 1.7551133222775013) internal successors, (47625), 27196 states have internal predecessors, (47625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27197 states to 27197 states and 47625 transitions. [2022-10-16 15:53:53,343 INFO L78 Accepts]: Start accepts. Automaton has 27197 states and 47625 transitions. Word has length 194 [2022-10-16 15:53:53,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:53,344 INFO L495 AbstractCegarLoop]: Abstraction has 27197 states and 47625 transitions. [2022-10-16 15:53:53,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 27197 states and 47625 transitions. [2022-10-16 15:53:53,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-10-16 15:53:53,349 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:53,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:53,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:53:53,350 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:53,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:53,351 INFO L85 PathProgramCache]: Analyzing trace with hash 324038164, now seen corresponding path program 1 times [2022-10-16 15:53:53,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:53,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774545444] [2022-10-16 15:53:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:53,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:53,584 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 15:53:53,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774545444] [2022-10-16 15:53:53,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774545444] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:53,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:53,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:53:53,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000619831] [2022-10-16 15:53:53,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:53,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:53,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:53,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:53,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:53,587 INFO L87 Difference]: Start difference. First operand 27197 states and 47625 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:55,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:55,624 INFO L93 Difference]: Finished difference Result 67680 states and 118292 transitions. [2022-10-16 15:53:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:53:55,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 197 [2022-10-16 15:53:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:55,946 INFO L225 Difference]: With dead ends: 67680 [2022-10-16 15:53:55,946 INFO L226 Difference]: Without dead ends: 41077 [2022-10-16 15:53:56,016 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 15:53:56,017 INFO L413 NwaCegarLoop]: 1389 mSDtfsCounter, 392 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 2746 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:56,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 2746 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:53:56,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41077 states. [2022-10-16 15:53:58,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41077 to 40936. [2022-10-16 15:53:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40936 states, 40874 states have (on average 1.7466604687576455) internal successors, (71393), 40935 states have internal predecessors, (71393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40936 states to 40936 states and 71393 transitions. [2022-10-16 15:53:58,269 INFO L78 Accepts]: Start accepts. Automaton has 40936 states and 71393 transitions. Word has length 197 [2022-10-16 15:53:58,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:58,270 INFO L495 AbstractCegarLoop]: Abstraction has 40936 states and 71393 transitions. [2022-10-16 15:53:58,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 40936 states and 71393 transitions. [2022-10-16 15:53:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-10-16 15:53:58,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:58,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:58,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:53:58,275 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:53:58,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:58,276 INFO L85 PathProgramCache]: Analyzing trace with hash -617294505, now seen corresponding path program 1 times [2022-10-16 15:53:58,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:58,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517629336] [2022-10-16 15:53:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:58,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:58,626 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 15:53:58,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:58,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517629336] [2022-10-16 15:53:58,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517629336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:58,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:58,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:53:58,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135080107] [2022-10-16 15:53:58,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:58,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:53:58,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:58,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:53:58,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:53:58,631 INFO L87 Difference]: Start difference. First operand 40936 states and 71393 transitions. Second operand has 3 states, 2 states have (on average 100.5) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:02,410 INFO L93 Difference]: Finished difference Result 76905 states and 134411 transitions. [2022-10-16 15:54:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:54:02,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 100.5) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 201 [2022-10-16 15:54:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:02,659 INFO L225 Difference]: With dead ends: 76905 [2022-10-16 15:54:02,659 INFO L226 Difference]: Without dead ends: 76902 [2022-10-16 15:54:02,686 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 15:54:02,687 INFO L413 NwaCegarLoop]: 1324 mSDtfsCounter, 1184 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:02,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 1702 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:54:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76902 states. [2022-10-16 15:54:06,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76902 to 76846. [2022-10-16 15:54:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76846 states, 76784 states have (on average 1.7420686601375286) internal successors, (133763), 76845 states have internal predecessors, (133763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76846 states to 76846 states and 133763 transitions. [2022-10-16 15:54:07,426 INFO L78 Accepts]: Start accepts. Automaton has 76846 states and 133763 transitions. Word has length 201 [2022-10-16 15:54:07,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:54:07,427 INFO L495 AbstractCegarLoop]: Abstraction has 76846 states and 133763 transitions. [2022-10-16 15:54:07,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 100.5) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76846 states and 133763 transitions. [2022-10-16 15:54:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-10-16 15:54:07,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:54:07,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:54:07,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:54:07,438 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:54:07,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:54:07,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1956259787, now seen corresponding path program 1 times [2022-10-16 15:54:07,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:54:07,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196038228] [2022-10-16 15:54:07,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:54:07,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:54:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:54:07,780 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 15:54:07,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:54:07,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196038228] [2022-10-16 15:54:07,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196038228] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:54:07,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:54:07,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:54:07,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818318721] [2022-10-16 15:54:07,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:54:07,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:54:07,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:54:07,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:54:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:54:07,783 INFO L87 Difference]: Start difference. First operand 76846 states and 133763 transitions. Second operand has 3 states, 2 states have (on average 101.0) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:12,188 INFO L93 Difference]: Finished difference Result 76905 states and 133763 transitions. [2022-10-16 15:54:12,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:54:12,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 101.0) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2022-10-16 15:54:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:12,416 INFO L225 Difference]: With dead ends: 76905 [2022-10-16 15:54:12,417 INFO L226 Difference]: Without dead ends: 76902 [2022-10-16 15:54:12,453 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 15:54:12,454 INFO L413 NwaCegarLoop]: 1327 mSDtfsCounter, 1180 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:12,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1705 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:54:12,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76902 states. [2022-10-16 15:54:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76902 to 76846. [2022-10-16 15:54:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76846 states, 76784 states have (on average 1.7336294019587415) internal successors, (133115), 76845 states have internal predecessors, (133115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76846 states to 76846 states and 133115 transitions. [2022-10-16 15:54:17,458 INFO L78 Accepts]: Start accepts. Automaton has 76846 states and 133115 transitions. Word has length 202 [2022-10-16 15:54:17,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:54:17,459 INFO L495 AbstractCegarLoop]: Abstraction has 76846 states and 133115 transitions. [2022-10-16 15:54:17,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 101.0) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 76846 states and 133115 transitions. [2022-10-16 15:54:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-10-16 15:54:17,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:54:17,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:54:17,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:54:17,464 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:54:17,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:54:17,465 INFO L85 PathProgramCache]: Analyzing trace with hash -514510567, now seen corresponding path program 1 times [2022-10-16 15:54:17,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:54:17,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274124525] [2022-10-16 15:54:17,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:54:17,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:54:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:54:17,808 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 15:54:17,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:54:17,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274124525] [2022-10-16 15:54:17,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274124525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:54:17,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:54:17,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:54:17,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611846844] [2022-10-16 15:54:17,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:54:17,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:54:17,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:54:17,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:54:17,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:54:17,811 INFO L87 Difference]: Start difference. First operand 76846 states and 133115 transitions. Second operand has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:23,691 INFO L93 Difference]: Finished difference Result 103440 states and 178826 transitions. [2022-10-16 15:54:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:54:23,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2022-10-16 15:54:23,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:23,933 INFO L225 Difference]: With dead ends: 103440 [2022-10-16 15:54:23,933 INFO L226 Difference]: Without dead ends: 103437 [2022-10-16 15:54:23,963 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 15:54:23,964 INFO L413 NwaCegarLoop]: 1323 mSDtfsCounter, 1175 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:23,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 1694 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:54:24,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103437 states. [2022-10-16 15:54:30,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103437 to 103387. [2022-10-16 15:54:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103387 states, 103325 states have (on average 1.7244422937333657) internal successors, (178178), 103386 states have internal predecessors, (178178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103387 states to 103387 states and 178178 transitions. [2022-10-16 15:54:30,624 INFO L78 Accepts]: Start accepts. Automaton has 103387 states and 178178 transitions. Word has length 203 [2022-10-16 15:54:30,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:54:30,624 INFO L495 AbstractCegarLoop]: Abstraction has 103387 states and 178178 transitions. [2022-10-16 15:54:30,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 103387 states and 178178 transitions. [2022-10-16 15:54:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-10-16 15:54:30,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:54:30,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:54:30,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:54:30,628 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:54:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:54:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1230042295, now seen corresponding path program 1 times [2022-10-16 15:54:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:54:30,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695113634] [2022-10-16 15:54:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:54:30,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:54:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:54:30,924 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 15:54:30,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:54:30,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695113634] [2022-10-16 15:54:30,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695113634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:54:30,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:54:30,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:54:30,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836816745] [2022-10-16 15:54:30,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:54:30,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:54:30,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:54:30,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:54:30,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:54:30,927 INFO L87 Difference]: Start difference. First operand 103387 states and 178178 transitions. Second operand has 3 states, 2 states have (on average 102.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:37,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:37,209 INFO L93 Difference]: Finished difference Result 103440 states and 178178 transitions. [2022-10-16 15:54:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:54:37,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 102.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2022-10-16 15:54:37,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:37,414 INFO L225 Difference]: With dead ends: 103440 [2022-10-16 15:54:37,414 INFO L226 Difference]: Without dead ends: 103437 [2022-10-16 15:54:37,440 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 15:54:37,441 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 1171 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 1697 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:37,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 1697 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:54:37,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103437 states. [2022-10-16 15:54:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103437 to 103387. [2022-10-16 15:54:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103387 states, 103325 states have (on average 1.7181708202274377) internal successors, (177530), 103386 states have internal predecessors, (177530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103387 states to 103387 states and 177530 transitions. [2022-10-16 15:54:44,322 INFO L78 Accepts]: Start accepts. Automaton has 103387 states and 177530 transitions. Word has length 204 [2022-10-16 15:54:44,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:54:44,322 INFO L495 AbstractCegarLoop]: Abstraction has 103387 states and 177530 transitions. [2022-10-16 15:54:44,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 102.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 103387 states and 177530 transitions. [2022-10-16 15:54:44,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 15:54:44,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:54:44,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:54:44,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:54:44,327 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:54:44,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:54:44,327 INFO L85 PathProgramCache]: Analyzing trace with hash -523393829, now seen corresponding path program 1 times [2022-10-16 15:54:44,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:54:44,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143474714] [2022-10-16 15:54:44,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:54:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:54:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:54:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:54:44,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:54:44,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143474714] [2022-10-16 15:54:44,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143474714] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:54:44,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:54:44,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:54:44,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028879643] [2022-10-16 15:54:44,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:54:44,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:54:44,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:54:44,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:54:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:54:44,650 INFO L87 Difference]: Start difference. First operand 103387 states and 177530 transitions. Second operand has 3 states, 2 states have (on average 102.5) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:52,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:52,673 INFO L93 Difference]: Finished difference Result 129975 states and 222377 transitions. [2022-10-16 15:54:52,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:54:52,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 102.5) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-10-16 15:54:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:52,964 INFO L225 Difference]: With dead ends: 129975 [2022-10-16 15:54:52,964 INFO L226 Difference]: Without dead ends: 129972 [2022-10-16 15:54:53,003 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 15:54:53,004 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 1166 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:53,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 1686 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:54:53,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129972 states. [2022-10-16 15:55:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129972 to 129928. [2022-10-16 15:55:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129928 states, 129866 states have (on average 1.7073675942894984) internal successors, (221729), 129927 states have internal predecessors, (221729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129928 states to 129928 states and 221729 transitions. [2022-10-16 15:55:03,052 INFO L78 Accepts]: Start accepts. Automaton has 129928 states and 221729 transitions. Word has length 205 [2022-10-16 15:55:03,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:03,053 INFO L495 AbstractCegarLoop]: Abstraction has 129928 states and 221729 transitions. [2022-10-16 15:55:03,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 102.5) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 129928 states and 221729 transitions. [2022-10-16 15:55:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-16 15:55:03,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:03,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:03,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:55:03,058 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:55:03,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:03,058 INFO L85 PathProgramCache]: Analyzing trace with hash 954661177, now seen corresponding path program 1 times [2022-10-16 15:55:03,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:03,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355165305] [2022-10-16 15:55:03,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:03,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:03,424 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 15:55:03,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:03,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355165305] [2022-10-16 15:55:03,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355165305] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:03,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:03,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:03,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930482608] [2022-10-16 15:55:03,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:03,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:03,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:03,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:03,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:03,431 INFO L87 Difference]: Start difference. First operand 129928 states and 221729 transitions. Second operand has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:12,383 INFO L93 Difference]: Finished difference Result 129975 states and 221729 transitions. [2022-10-16 15:55:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:12,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2022-10-16 15:55:12,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:12,791 INFO L225 Difference]: With dead ends: 129975 [2022-10-16 15:55:12,791 INFO L226 Difference]: Without dead ends: 129972 [2022-10-16 15:55:12,823 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 15:55:12,825 INFO L413 NwaCegarLoop]: 1325 mSDtfsCounter, 1162 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:12,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1689 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:55:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129972 states. [2022-10-16 15:55:21,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129972 to 129928. [2022-10-16 15:55:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129928 states, 129866 states have (on average 1.7023778356151726) internal successors, (221081), 129927 states have internal predecessors, (221081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129928 states to 129928 states and 221081 transitions. [2022-10-16 15:55:22,649 INFO L78 Accepts]: Start accepts. Automaton has 129928 states and 221081 transitions. Word has length 206 [2022-10-16 15:55:22,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:22,649 INFO L495 AbstractCegarLoop]: Abstraction has 129928 states and 221081 transitions. [2022-10-16 15:55:22,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 129928 states and 221081 transitions. [2022-10-16 15:55:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-16 15:55:22,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:22,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:22,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:55:22,653 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:55:22,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:22,654 INFO L85 PathProgramCache]: Analyzing trace with hash -470273891, now seen corresponding path program 1 times [2022-10-16 15:55:22,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:22,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579769287] [2022-10-16 15:55:22,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:22,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:23,004 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 15:55:23,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:23,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579769287] [2022-10-16 15:55:23,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579769287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:23,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:23,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:23,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894555598] [2022-10-16 15:55:23,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:23,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:23,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:23,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:23,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:23,007 INFO L87 Difference]: Start difference. First operand 129928 states and 221081 transitions. Second operand has 3 states, 2 states have (on average 103.5) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:39,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:39,797 INFO L93 Difference]: Finished difference Result 210758 states and 353300 transitions. [2022-10-16 15:55:39,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:39,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 103.5) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2022-10-16 15:55:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:40,544 INFO L225 Difference]: With dead ends: 210758 [2022-10-16 15:55:40,544 INFO L226 Difference]: Without dead ends: 210755 [2022-10-16 15:55:40,614 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 15:55:40,615 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 1175 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:40,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 1620 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:55:40,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210755 states. [2022-10-16 15:55:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210755 to 210737. [2022-10-16 15:55:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210737 states, 210677 states have (on average 1.6669783602386592) internal successors, (351194), 210736 states have internal predecessors, (351194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210737 states to 210737 states and 351194 transitions. [2022-10-16 15:56:00,236 INFO L78 Accepts]: Start accepts. Automaton has 210737 states and 351194 transitions. Word has length 207 [2022-10-16 15:56:00,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:00,236 INFO L495 AbstractCegarLoop]: Abstraction has 210737 states and 351194 transitions. [2022-10-16 15:56:00,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 103.5) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 210737 states and 351194 transitions. [2022-10-16 15:56:00,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-16 15:56:00,239 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:00,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:00,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:56:00,239 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 15:56:00,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:00,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1693588037, now seen corresponding path program 1 times [2022-10-16 15:56:00,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:00,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959451470] [2022-10-16 15:56:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:00,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:01,095 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 15:56:01,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:01,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959451470] [2022-10-16 15:56:01,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959451470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:01,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:01,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:56:01,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373110332] [2022-10-16 15:56:01,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:01,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:01,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:01,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:01,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:01,097 INFO L87 Difference]: Start difference. First operand 210737 states and 351194 transitions. Second operand has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:31,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:31,378 INFO L93 Difference]: Finished difference Result 346150 states and 578897 transitions. [2022-10-16 15:56:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:31,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2022-10-16 15:56:31,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:32,572 INFO L225 Difference]: With dead ends: 346150 [2022-10-16 15:56:32,573 INFO L226 Difference]: Without dead ends: 346147 [2022-10-16 15:56:32,710 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 15:56:32,714 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 1171 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:32,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 1679 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:56:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346147 states. [2022-10-16 15:57:08,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346147 to 346091. [2022-10-16 15:57:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346091 states, 346031 states have (on average 1.664847947149244) internal successors, (576089), 346090 states have internal predecessors, (576089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)