/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_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:42:28,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:42:28,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:42:28,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:42:28,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:42:28,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:42:28,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:42:28,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:42:28,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:42:28,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:42:28,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:42:28,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:42:28,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:42:28,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:42:28,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:42:28,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:42:28,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:42:28,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:42:28,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:42:28,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:42:28,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:42:28,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:42:28,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:42:28,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:42:28,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:42:28,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:42:28,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:42:28,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:42:28,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:42:28,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:42:28,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:42:28,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:42:28,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:42:28,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:42:28,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:42:28,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:42:28,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:42:28,855 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:42:28,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:42:28,856 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:42:28,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:42:28,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:42:28,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:42:28,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:42:28,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:42:28,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:42:28,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:42:28,857 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:42:28,858 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:42:28,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:42:28,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:42:28,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:42:28,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:42:28,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:42:28,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:42:28,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:42:28,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:42:28,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:42:28,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:42:28,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:42:28,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:42:28,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:42:28,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:42:29,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:42:29,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:42:29,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:42:29,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:42:29,356 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:42:29,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:42:29,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f28ab582/d2e43b1cb12b4d41a3f374797508ce9b/FLAG0d3b9187e [2022-10-16 16:42:30,107 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:42:30,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:42:30,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f28ab582/d2e43b1cb12b4d41a3f374797508ce9b/FLAG0d3b9187e [2022-10-16 16:42:30,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f28ab582/d2e43b1cb12b4d41a3f374797508ce9b [2022-10-16 16:42:30,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:42:30,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:42:30,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:42:30,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:42:30,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:42:30,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:42:30" (1/1) ... [2022-10-16 16:42:30,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17183e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:30, skipping insertion in model container [2022-10-16 16:42:30,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:42:30" (1/1) ... [2022-10-16 16:42:30,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:42:30,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:42:30,913 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_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7920,7933] [2022-10-16 16:42:30,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:42:30,966 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:42:31,045 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_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7920,7933] [2022-10-16 16:42:31,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:42:31,098 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:42:31,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31 WrapperNode [2022-10-16 16:42:31,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:42:31,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:42:31,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:42:31,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:42:31,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,172 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 667 [2022-10-16 16:42:31,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:42:31,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:42:31,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:42:31,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:42:31,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,223 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:42:31,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:42:31,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:42:31,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:42:31,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (1/1) ... [2022-10-16 16:42:31,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:42:31,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:42:31,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:42:31,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:42:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:42:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:42:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:42:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:42:31,558 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:42:31,560 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:42:32,379 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:42:32,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:42:32,395 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:42:32,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:42:32 BoogieIcfgContainer [2022-10-16 16:42:32,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:42:32,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:42:32,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:42:32,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:42:32,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:42:30" (1/3) ... [2022-10-16 16:42:32,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2938338e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:42:32, skipping insertion in model container [2022-10-16 16:42:32,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:31" (2/3) ... [2022-10-16 16:42:32,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2938338e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:42:32, skipping insertion in model container [2022-10-16 16:42:32,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:42:32" (3/3) ... [2022-10-16 16:42:32,413 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:42:32,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:42:32,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 16:42:32,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:42:32,514 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;@631a4fe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:42:32,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 16:42:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 214 states, 181 states have (on average 1.8011049723756907) internal successors, (326), 213 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:32,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:42:32,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:32,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:32,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:32,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1009859832, now seen corresponding path program 1 times [2022-10-16 16:42:32,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:32,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989555739] [2022-10-16 16:42:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:32,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:32,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:32,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989555739] [2022-10-16 16:42:32,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989555739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:32,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:32,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:42:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099199141] [2022-10-16 16:42:32,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:32,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:42:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:32,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:42:32,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:42:32,974 INFO L87 Difference]: Start difference. First operand has 214 states, 181 states have (on average 1.8011049723756907) internal successors, (326), 213 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 49.0) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:33,016 INFO L93 Difference]: Finished difference Result 217 states and 328 transitions. [2022-10-16 16:42:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:42:33,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 49.0) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 16:42:33,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:33,033 INFO L225 Difference]: With dead ends: 217 [2022-10-16 16:42:33,034 INFO L226 Difference]: Without dead ends: 205 [2022-10-16 16:42:33,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:42:33,043 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:33,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:42:33,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-16 16:42:33,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-16 16:42:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 179 states have (on average 1.5977653631284916) internal successors, (286), 204 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 286 transitions. [2022-10-16 16:42:33,110 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 286 transitions. Word has length 49 [2022-10-16 16:42:33,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:33,111 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 286 transitions. [2022-10-16 16:42:33,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 49.0) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 286 transitions. [2022-10-16 16:42:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:42:33,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:33,115 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] [2022-10-16 16:42:33,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:42:33,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:33,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:33,117 INFO L85 PathProgramCache]: Analyzing trace with hash -324746066, now seen corresponding path program 1 times [2022-10-16 16:42:33,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:33,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528636638] [2022-10-16 16:42:33,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:33,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:33,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:33,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528636638] [2022-10-16 16:42:33,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528636638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:33,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:33,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:33,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305474734] [2022-10-16 16:42:33,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:33,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:33,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:33,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:33,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:33,500 INFO L87 Difference]: Start difference. First operand 205 states and 286 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:33,635 INFO L93 Difference]: Finished difference Result 475 states and 674 transitions. [2022-10-16 16:42:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:33,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 16:42:33,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:33,640 INFO L225 Difference]: With dead ends: 475 [2022-10-16 16:42:33,640 INFO L226 Difference]: Without dead ends: 327 [2022-10-16 16:42:33,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:33,644 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 168 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:33,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 536 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:42:33,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-10-16 16:42:33,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 307. [2022-10-16 16:42:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 281 states have (on average 1.6192170818505338) internal successors, (455), 306 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 455 transitions. [2022-10-16 16:42:33,713 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 455 transitions. Word has length 59 [2022-10-16 16:42:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:33,714 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 455 transitions. [2022-10-16 16:42:33,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 455 transitions. [2022-10-16 16:42:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:42:33,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:33,724 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] [2022-10-16 16:42:33,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:42:33,724 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:33,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:33,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2119982291, now seen corresponding path program 1 times [2022-10-16 16:42:33,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:33,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469685388] [2022-10-16 16:42:33,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:33,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:33,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:33,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469685388] [2022-10-16 16:42:33,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469685388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:33,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:33,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:33,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856277720] [2022-10-16 16:42:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:33,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:33,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:33,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:33,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:33,973 INFO L87 Difference]: Start difference. First operand 307 states and 455 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:34,033 INFO L93 Difference]: Finished difference Result 791 states and 1187 transitions. [2022-10-16 16:42:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:34,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 16:42:34,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:34,042 INFO L225 Difference]: With dead ends: 791 [2022-10-16 16:42:34,042 INFO L226 Difference]: Without dead ends: 541 [2022-10-16 16:42:34,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:34,050 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 186 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:34,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 536 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:42:34,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-10-16 16:42:34,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 511. [2022-10-16 16:42:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 485 states have (on average 1.647422680412371) internal successors, (799), 510 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:34,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 799 transitions. [2022-10-16 16:42:34,127 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 799 transitions. Word has length 61 [2022-10-16 16:42:34,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:34,128 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 799 transitions. [2022-10-16 16:42:34,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:34,128 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 799 transitions. [2022-10-16 16:42:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:42:34,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:34,131 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] [2022-10-16 16:42:34,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:42:34,132 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:34,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:34,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1277805716, now seen corresponding path program 1 times [2022-10-16 16:42:34,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:34,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691654442] [2022-10-16 16:42:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:34,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:34,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:34,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691654442] [2022-10-16 16:42:34,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691654442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:34,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:34,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:34,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011783664] [2022-10-16 16:42:34,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:34,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:34,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:34,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:34,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:34,266 INFO L87 Difference]: Start difference. First operand 511 states and 799 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:34,349 INFO L93 Difference]: Finished difference Result 1387 states and 2191 transitions. [2022-10-16 16:42:34,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:34,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 16:42:34,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:34,360 INFO L225 Difference]: With dead ends: 1387 [2022-10-16 16:42:34,360 INFO L226 Difference]: Without dead ends: 933 [2022-10-16 16:42:34,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:34,367 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 180 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:34,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 537 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:42:34,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2022-10-16 16:42:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 899. [2022-10-16 16:42:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 873 states have (on average 1.6620847651775488) internal successors, (1451), 898 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1451 transitions. [2022-10-16 16:42:34,470 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1451 transitions. Word has length 63 [2022-10-16 16:42:34,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:34,473 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1451 transitions. [2022-10-16 16:42:34,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1451 transitions. [2022-10-16 16:42:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:42:34,480 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:34,481 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] [2022-10-16 16:42:34,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:42:34,481 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:34,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:34,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1103927189, now seen corresponding path program 1 times [2022-10-16 16:42:34,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:34,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120191169] [2022-10-16 16:42:34,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:34,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:34,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:34,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120191169] [2022-10-16 16:42:34,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120191169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:34,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:34,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:34,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819434145] [2022-10-16 16:42:34,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:34,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:34,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:34,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:34,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:34,695 INFO L87 Difference]: Start difference. First operand 899 states and 1451 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:34,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:34,992 INFO L93 Difference]: Finished difference Result 1824 states and 2947 transitions. [2022-10-16 16:42:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:34,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:42:34,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:35,007 INFO L225 Difference]: With dead ends: 1824 [2022-10-16 16:42:35,007 INFO L226 Difference]: Without dead ends: 1821 [2022-10-16 16:42:35,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:35,015 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 616 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:35,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 872 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2022-10-16 16:42:35,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1541. [2022-10-16 16:42:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1515 states have (on average 1.6653465346534653) internal successors, (2523), 1540 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2523 transitions. [2022-10-16 16:42:35,160 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2523 transitions. Word has length 65 [2022-10-16 16:42:35,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:35,162 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 2523 transitions. [2022-10-16 16:42:35,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2523 transitions. [2022-10-16 16:42:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:42:35,163 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:35,163 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] [2022-10-16 16:42:35,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:42:35,165 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:35,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash 137995778, now seen corresponding path program 1 times [2022-10-16 16:42:35,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:35,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534296134] [2022-10-16 16:42:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:35,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:35,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534296134] [2022-10-16 16:42:35,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534296134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:35,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:35,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421021410] [2022-10-16 16:42:35,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:35,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:35,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:35,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:35,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:35,378 INFO L87 Difference]: Start difference. First operand 1541 states and 2523 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:35,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:35,674 INFO L93 Difference]: Finished difference Result 1798 states and 2927 transitions. [2022-10-16 16:42:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:35,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 16:42:35,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:35,686 INFO L225 Difference]: With dead ends: 1798 [2022-10-16 16:42:35,686 INFO L226 Difference]: Without dead ends: 1795 [2022-10-16 16:42:35,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:35,695 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 609 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:35,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 531 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:42:35,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-10-16 16:42:35,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1775. [2022-10-16 16:42:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1749 states have (on average 1.656375071469411) internal successors, (2897), 1774 states have internal predecessors, (2897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2897 transitions. [2022-10-16 16:42:35,889 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2897 transitions. Word has length 66 [2022-10-16 16:42:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:35,890 INFO L495 AbstractCegarLoop]: Abstraction has 1775 states and 2897 transitions. [2022-10-16 16:42:35,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2897 transitions. [2022-10-16 16:42:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:42:35,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:35,892 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] [2022-10-16 16:42:35,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:42:35,893 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:35,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash -17097907, now seen corresponding path program 1 times [2022-10-16 16:42:35,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:35,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989247561] [2022-10-16 16:42:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:35,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:36,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:36,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989247561] [2022-10-16 16:42:36,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989247561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:36,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:36,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:36,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197732669] [2022-10-16 16:42:36,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:36,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:36,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:36,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:36,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:36,058 INFO L87 Difference]: Start difference. First operand 1775 states and 2897 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:36,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:36,843 INFO L93 Difference]: Finished difference Result 5327 states and 8653 transitions. [2022-10-16 16:42:36,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:42:36,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 16:42:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:36,867 INFO L225 Difference]: With dead ends: 5327 [2022-10-16 16:42:36,868 INFO L226 Difference]: Without dead ends: 3609 [2022-10-16 16:42:36,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:42:36,881 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 1183 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:36,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1893 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:42:36,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3609 states. [2022-10-16 16:42:37,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3609 to 3047. [2022-10-16 16:42:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3047 states, 3021 states have (on average 1.6441575637206223) internal successors, (4967), 3046 states have internal predecessors, (4967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 3047 states and 4967 transitions. [2022-10-16 16:42:37,199 INFO L78 Accepts]: Start accepts. Automaton has 3047 states and 4967 transitions. Word has length 67 [2022-10-16 16:42:37,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:37,200 INFO L495 AbstractCegarLoop]: Abstraction has 3047 states and 4967 transitions. [2022-10-16 16:42:37,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 4967 transitions. [2022-10-16 16:42:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:42:37,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:37,202 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] [2022-10-16 16:42:37,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:42:37,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:37,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:37,203 INFO L85 PathProgramCache]: Analyzing trace with hash -530034844, now seen corresponding path program 1 times [2022-10-16 16:42:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:37,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929885596] [2022-10-16 16:42:37,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:37,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:37,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:37,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929885596] [2022-10-16 16:42:37,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929885596] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:37,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:37,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:37,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817444308] [2022-10-16 16:42:37,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:37,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:37,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:37,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:37,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:37,340 INFO L87 Difference]: Start difference. First operand 3047 states and 4967 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:37,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:37,964 INFO L93 Difference]: Finished difference Result 3964 states and 6427 transitions. [2022-10-16 16:42:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:42:37,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 16:42:37,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:37,989 INFO L225 Difference]: With dead ends: 3964 [2022-10-16 16:42:37,990 INFO L226 Difference]: Without dead ends: 3961 [2022-10-16 16:42:37,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:42:37,993 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1225 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:37,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1017 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:38,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3961 states. [2022-10-16 16:42:38,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3961 to 3907. [2022-10-16 16:42:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3881 states have (on average 1.6369492398866272) internal successors, (6353), 3906 states have internal predecessors, (6353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 6353 transitions. [2022-10-16 16:42:38,425 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 6353 transitions. Word has length 68 [2022-10-16 16:42:38,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:38,426 INFO L495 AbstractCegarLoop]: Abstraction has 3907 states and 6353 transitions. [2022-10-16 16:42:38,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:38,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 6353 transitions. [2022-10-16 16:42:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:42:38,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:38,428 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] [2022-10-16 16:42:38,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:42:38,428 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:38,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:38,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1309038299, now seen corresponding path program 1 times [2022-10-16 16:42:38,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:38,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552717300] [2022-10-16 16:42:38,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:38,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:38,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:38,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552717300] [2022-10-16 16:42:38,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552717300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:38,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:38,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:38,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405812204] [2022-10-16 16:42:38,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:38,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:38,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:38,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:38,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:38,503 INFO L87 Difference]: Start difference. First operand 3907 states and 6353 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:39,141 INFO L93 Difference]: Finished difference Result 8818 states and 14465 transitions. [2022-10-16 16:42:39,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:39,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:42:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:39,177 INFO L225 Difference]: With dead ends: 8818 [2022-10-16 16:42:39,177 INFO L226 Difference]: Without dead ends: 6063 [2022-10-16 16:42:39,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:39,184 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 190 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:39,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 677 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:42:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6063 states. [2022-10-16 16:42:39,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6063 to 6037. [2022-10-16 16:42:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6037 states, 6011 states have (on average 1.6458160039926801) internal successors, (9893), 6036 states have internal predecessors, (9893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6037 states to 6037 states and 9893 transitions. [2022-10-16 16:42:39,730 INFO L78 Accepts]: Start accepts. Automaton has 6037 states and 9893 transitions. Word has length 70 [2022-10-16 16:42:39,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:39,731 INFO L495 AbstractCegarLoop]: Abstraction has 6037 states and 9893 transitions. [2022-10-16 16:42:39,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6037 states and 9893 transitions. [2022-10-16 16:42:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:42:39,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:39,733 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] [2022-10-16 16:42:39,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:42:39,733 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:39,734 INFO L85 PathProgramCache]: Analyzing trace with hash -646914013, now seen corresponding path program 1 times [2022-10-16 16:42:39,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:39,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614637220] [2022-10-16 16:42:39,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:39,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:39,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:39,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614637220] [2022-10-16 16:42:39,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614637220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:39,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:39,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:39,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756195507] [2022-10-16 16:42:39,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:39,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:39,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:39,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:39,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:39,806 INFO L87 Difference]: Start difference. First operand 6037 states and 9893 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:40,595 INFO L93 Difference]: Finished difference Result 13097 states and 21488 transitions. [2022-10-16 16:42:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:40,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:42:40,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:40,652 INFO L225 Difference]: With dead ends: 13097 [2022-10-16 16:42:40,652 INFO L226 Difference]: Without dead ends: 9087 [2022-10-16 16:42:40,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:40,667 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 184 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:40,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 680 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:42:40,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9087 states. [2022-10-16 16:42:41,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9087 to 9061. [2022-10-16 16:42:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9061 states, 9035 states have (on average 1.6450470392916436) internal successors, (14863), 9060 states have internal predecessors, (14863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9061 states to 9061 states and 14863 transitions. [2022-10-16 16:42:41,648 INFO L78 Accepts]: Start accepts. Automaton has 9061 states and 14863 transitions. Word has length 70 [2022-10-16 16:42:41,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:41,648 INFO L495 AbstractCegarLoop]: Abstraction has 9061 states and 14863 transitions. [2022-10-16 16:42:41,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 9061 states and 14863 transitions. [2022-10-16 16:42:41,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:42:41,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:41,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:41,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:42:41,652 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1737631974, now seen corresponding path program 1 times [2022-10-16 16:42:41,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:41,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300661395] [2022-10-16 16:42:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:41,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:41,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300661395] [2022-10-16 16:42:41,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300661395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:41,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:41,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:41,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441560973] [2022-10-16 16:42:41,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:41,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:41,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:41,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:41,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:41,830 INFO L87 Difference]: Start difference. First operand 9061 states and 14863 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:43,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:43,176 INFO L93 Difference]: Finished difference Result 24208 states and 39715 transitions. [2022-10-16 16:42:43,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:43,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:42:43,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:43,236 INFO L225 Difference]: With dead ends: 24208 [2022-10-16 16:42:43,236 INFO L226 Difference]: Without dead ends: 15222 [2022-10-16 16:42:43,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:43,251 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 602 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:43,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 843 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15222 states. [2022-10-16 16:42:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15222 to 12949. [2022-10-16 16:42:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12949 states, 12923 states have (on average 1.6331347210400062) internal successors, (21105), 12948 states have internal predecessors, (21105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12949 states to 12949 states and 21105 transitions. [2022-10-16 16:42:44,429 INFO L78 Accepts]: Start accepts. Automaton has 12949 states and 21105 transitions. Word has length 70 [2022-10-16 16:42:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:44,430 INFO L495 AbstractCegarLoop]: Abstraction has 12949 states and 21105 transitions. [2022-10-16 16:42:44,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 12949 states and 21105 transitions. [2022-10-16 16:42:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:42:44,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:44,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:44,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:42:44,432 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:44,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:44,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1967983374, now seen corresponding path program 1 times [2022-10-16 16:42:44,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:44,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206375044] [2022-10-16 16:42:44,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:44,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:44,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:44,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206375044] [2022-10-16 16:42:44,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206375044] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:44,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:44,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:44,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461371968] [2022-10-16 16:42:44,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:44,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:44,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:44,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:44,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:44,551 INFO L87 Difference]: Start difference. First operand 12949 states and 21105 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:45,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:45,819 INFO L93 Difference]: Finished difference Result 18524 states and 30449 transitions. [2022-10-16 16:42:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:45,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:42:45,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:45,886 INFO L225 Difference]: With dead ends: 18524 [2022-10-16 16:42:45,886 INFO L226 Difference]: Without dead ends: 18523 [2022-10-16 16:42:45,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:45,897 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 599 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:45,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 505 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:42:45,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18523 states. [2022-10-16 16:42:47,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18523 to 18469. [2022-10-16 16:42:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18469 states, 18443 states have (on average 1.6400802472482785) internal successors, (30248), 18468 states have internal predecessors, (30248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18469 states to 18469 states and 30248 transitions. [2022-10-16 16:42:47,181 INFO L78 Accepts]: Start accepts. Automaton has 18469 states and 30248 transitions. Word has length 71 [2022-10-16 16:42:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:47,181 INFO L495 AbstractCegarLoop]: Abstraction has 18469 states and 30248 transitions. [2022-10-16 16:42:47,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 18469 states and 30248 transitions. [2022-10-16 16:42:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:42:47,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:47,182 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] [2022-10-16 16:42:47,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:42:47,183 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:47,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:47,184 INFO L85 PathProgramCache]: Analyzing trace with hash 467024899, now seen corresponding path program 1 times [2022-10-16 16:42:47,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:47,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23134668] [2022-10-16 16:42:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:47,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:47,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:47,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23134668] [2022-10-16 16:42:47,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23134668] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:47,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:47,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:47,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319858796] [2022-10-16 16:42:47,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:47,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:47,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:47,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:47,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:47,263 INFO L87 Difference]: Start difference. First operand 18469 states and 30248 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:48,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:48,862 INFO L93 Difference]: Finished difference Result 36554 states and 59950 transitions. [2022-10-16 16:42:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:48,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:42:48,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:48,933 INFO L225 Difference]: With dead ends: 36554 [2022-10-16 16:42:48,934 INFO L226 Difference]: Without dead ends: 26169 [2022-10-16 16:42:48,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:48,961 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 178 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:48,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 657 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:42:48,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26169 states. [2022-10-16 16:42:50,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26169 to 26143. [2022-10-16 16:42:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26143 states, 26117 states have (on average 1.638319868285025) internal successors, (42788), 26142 states have internal predecessors, (42788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26143 states to 26143 states and 42788 transitions. [2022-10-16 16:42:50,906 INFO L78 Accepts]: Start accepts. Automaton has 26143 states and 42788 transitions. Word has length 72 [2022-10-16 16:42:50,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:50,907 INFO L495 AbstractCegarLoop]: Abstraction has 26143 states and 42788 transitions. [2022-10-16 16:42:50,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 26143 states and 42788 transitions. [2022-10-16 16:42:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:42:50,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:50,908 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] [2022-10-16 16:42:50,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:42:50,909 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:50,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:50,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1446403116, now seen corresponding path program 1 times [2022-10-16 16:42:50,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:50,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599328254] [2022-10-16 16:42:50,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:50,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:51,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:51,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599328254] [2022-10-16 16:42:51,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599328254] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:51,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:51,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:51,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785936918] [2022-10-16 16:42:51,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:51,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:51,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:51,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:51,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:51,032 INFO L87 Difference]: Start difference. First operand 26143 states and 42788 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:53,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:53,802 INFO L93 Difference]: Finished difference Result 68630 states and 112715 transitions. [2022-10-16 16:42:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:53,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:42:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:53,886 INFO L225 Difference]: With dead ends: 68630 [2022-10-16 16:42:53,886 INFO L226 Difference]: Without dead ends: 42578 [2022-10-16 16:42:53,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:53,929 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 607 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:53,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 839 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:53,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42578 states. [2022-10-16 16:42:56,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42578 to 36341. [2022-10-16 16:42:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36341 states, 36315 states have (on average 1.6294093349855432) internal successors, (59172), 36340 states have internal predecessors, (59172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36341 states to 36341 states and 59172 transitions. [2022-10-16 16:42:56,819 INFO L78 Accepts]: Start accepts. Automaton has 36341 states and 59172 transitions. Word has length 73 [2022-10-16 16:42:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:56,819 INFO L495 AbstractCegarLoop]: Abstraction has 36341 states and 59172 transitions. [2022-10-16 16:42:56,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 36341 states and 59172 transitions. [2022-10-16 16:42:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:42:56,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:56,821 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] [2022-10-16 16:42:56,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:42:56,821 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:42:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:56,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1888823349, now seen corresponding path program 1 times [2022-10-16 16:42:56,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:56,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40300261] [2022-10-16 16:42:56,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:56,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:57,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:57,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40300261] [2022-10-16 16:42:57,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40300261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:57,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:57,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:57,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832078292] [2022-10-16 16:42:57,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:57,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:57,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:57,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:57,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:57,090 INFO L87 Difference]: Start difference. First operand 36341 states and 59172 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:00,406 INFO L93 Difference]: Finished difference Result 52977 states and 86736 transitions. [2022-10-16 16:43:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:00,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:43:00,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:00,494 INFO L225 Difference]: With dead ends: 52977 [2022-10-16 16:43:00,494 INFO L226 Difference]: Without dead ends: 52976 [2022-10-16 16:43:00,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:00,504 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 601 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:00,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 510 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52976 states. [2022-10-16 16:43:04,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52976 to 52853. [2022-10-16 16:43:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52853 states, 52827 states have (on average 1.6299808809888883) internal successors, (86107), 52852 states have internal predecessors, (86107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52853 states to 52853 states and 86107 transitions. [2022-10-16 16:43:04,517 INFO L78 Accepts]: Start accepts. Automaton has 52853 states and 86107 transitions. Word has length 74 [2022-10-16 16:43:04,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:04,517 INFO L495 AbstractCegarLoop]: Abstraction has 52853 states and 86107 transitions. [2022-10-16 16:43:04,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 52853 states and 86107 transitions. [2022-10-16 16:43:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:43:04,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:04,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:04,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:43:04,519 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:43:04,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:04,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1611937101, now seen corresponding path program 1 times [2022-10-16 16:43:04,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:04,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192393493] [2022-10-16 16:43:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:04,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:04,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:04,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192393493] [2022-10-16 16:43:04,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192393493] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:04,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:04,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:04,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908676349] [2022-10-16 16:43:04,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:04,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:04,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:04,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:04,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:04,626 INFO L87 Difference]: Start difference. First operand 52853 states and 86107 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:12,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:12,160 INFO L93 Difference]: Finished difference Result 169903 states and 277413 transitions. [2022-10-16 16:43:12,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:43:12,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:43:12,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:12,628 INFO L225 Difference]: With dead ends: 169903 [2022-10-16 16:43:12,629 INFO L226 Difference]: Without dead ends: 117141 [2022-10-16 16:43:12,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:12,705 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 603 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:12,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 911 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117141 states. [2022-10-16 16:43:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117141 to 84779. [2022-10-16 16:43:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84779 states, 84753 states have (on average 1.6191167274314773) internal successors, (137225), 84778 states have internal predecessors, (137225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84779 states to 84779 states and 137225 transitions. [2022-10-16 16:43:19,511 INFO L78 Accepts]: Start accepts. Automaton has 84779 states and 137225 transitions. Word has length 76 [2022-10-16 16:43:19,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:19,511 INFO L495 AbstractCegarLoop]: Abstraction has 84779 states and 137225 transitions. [2022-10-16 16:43:19,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 84779 states and 137225 transitions. [2022-10-16 16:43:19,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:43:19,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:19,513 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] [2022-10-16 16:43:19,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:43:19,513 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:43:19,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:19,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1569557127, now seen corresponding path program 1 times [2022-10-16 16:43:19,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:19,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179847003] [2022-10-16 16:43:19,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:19,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:19,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:19,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179847003] [2022-10-16 16:43:19,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179847003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:19,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:19,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:19,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182565505] [2022-10-16 16:43:19,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:19,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:19,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:19,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:19,654 INFO L87 Difference]: Start difference. First operand 84779 states and 137225 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:28,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:28,153 INFO L93 Difference]: Finished difference Result 120998 states and 196297 transitions. [2022-10-16 16:43:28,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:28,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:43:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:28,409 INFO L225 Difference]: With dead ends: 120998 [2022-10-16 16:43:28,410 INFO L226 Difference]: Without dead ends: 120997 [2022-10-16 16:43:28,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:28,443 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 599 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:28,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 550 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:28,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120997 states. [2022-10-16 16:43:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120997 to 120755. [2022-10-16 16:43:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120755 states, 120729 states have (on average 1.6139121503532705) internal successors, (194846), 120754 states have internal predecessors, (194846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120755 states to 120755 states and 194846 transitions. [2022-10-16 16:43:38,079 INFO L78 Accepts]: Start accepts. Automaton has 120755 states and 194846 transitions. Word has length 77 [2022-10-16 16:43:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:38,079 INFO L495 AbstractCegarLoop]: Abstraction has 120755 states and 194846 transitions. [2022-10-16 16:43:38,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 120755 states and 194846 transitions. [2022-10-16 16:43:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:43:38,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:38,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:38,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:43:38,081 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:43:38,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:38,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1565189051, now seen corresponding path program 1 times [2022-10-16 16:43:38,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:38,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616709833] [2022-10-16 16:43:38,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:38,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:38,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616709833] [2022-10-16 16:43:38,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616709833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:38,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:38,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:38,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108535523] [2022-10-16 16:43:38,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:38,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:38,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:38,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:38,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:38,531 INFO L87 Difference]: Start difference. First operand 120755 states and 194846 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:58,541 INFO L93 Difference]: Finished difference Result 275347 states and 448726 transitions. [2022-10-16 16:43:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:43:58,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:43:58,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:59,471 INFO L225 Difference]: With dead ends: 275347 [2022-10-16 16:43:59,471 INFO L226 Difference]: Without dead ends: 275345 [2022-10-16 16:43:59,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:59,554 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 593 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:59,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 885 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275345 states. [2022-10-16 16:44:17,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275345 to 218779. [2022-10-16 16:44:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218779 states, 218753 states have (on average 1.6129104515138077) internal successors, (352829), 218778 states have internal predecessors, (352829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218779 states to 218779 states and 352829 transitions. [2022-10-16 16:44:19,154 INFO L78 Accepts]: Start accepts. Automaton has 218779 states and 352829 transitions. Word has length 87 [2022-10-16 16:44:19,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:19,155 INFO L495 AbstractCegarLoop]: Abstraction has 218779 states and 352829 transitions. [2022-10-16 16:44:19,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 218779 states and 352829 transitions. [2022-10-16 16:44:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:44:19,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:19,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:19,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:44:19,157 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:44:19,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:19,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1276220665, now seen corresponding path program 1 times [2022-10-16 16:44:19,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:19,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260355293] [2022-10-16 16:44:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:44:19,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:19,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260355293] [2022-10-16 16:44:19,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260355293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:19,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:19,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:44:19,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175345589] [2022-10-16 16:44:19,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:19,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:44:19,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:19,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:44:19,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:44:19,267 INFO L87 Difference]: Start difference. First operand 218779 states and 352829 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:41,496 INFO L93 Difference]: Finished difference Result 279015 states and 452141 transitions. [2022-10-16 16:44:41,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:44:41,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:44:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:42,252 INFO L225 Difference]: With dead ends: 279015 [2022-10-16 16:44:42,252 INFO L226 Difference]: Without dead ends: 279013 [2022-10-16 16:44:42,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:44:42,345 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 588 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:42,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 557 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:44:42,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279013 states.