/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.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:50:57,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:50:57,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:50:57,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:50:57,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:50:57,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:50:57,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:50:57,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:50:57,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:50:57,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:50:57,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:50:57,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:50:57,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:50:57,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:50:57,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:50:57,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:50:57,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:50:57,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:50:57,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:50:57,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:50:57,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:50:57,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:50:57,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:50:57,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:50:57,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:50:57,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:50:57,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:50:57,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:50:57,942 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 16:50:57,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:50:57,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:50:57,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:50:57,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:50:58,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:50:58,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:50:58,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:50:58,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:50:58,004 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:50:58,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:50:58,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:50:58,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:50:58,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:50:58,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:50:58,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:50:58,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:50:58,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:50:58,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:50:58,007 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:50:58,007 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:50:58,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:50:58,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:50:58,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:50:58,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:50:58,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:50:58,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:50:58,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:50:58,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:50:58,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:50:58,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:50:58,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:50:58,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:50:58,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:50:58,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:50:58,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:50:58,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:50:58,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:50:58,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:50:58,492 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:50:58,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:50:58,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36df6ad55/d0087dba2316454c8fb52e702f164728/FLAG3f66acd6f [2022-10-16 16:50:59,800 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:50:59,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:50:59,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36df6ad55/d0087dba2316454c8fb52e702f164728/FLAG3f66acd6f [2022-10-16 16:51:00,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36df6ad55/d0087dba2316454c8fb52e702f164728 [2022-10-16 16:51:00,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:51:00,146 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:51:00,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:51:00,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:51:00,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:51:00,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:51:00" (1/1) ... [2022-10-16 16:51:00,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e93408e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:00, skipping insertion in model container [2022-10-16 16:51:00,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:51:00" (1/1) ... [2022-10-16 16:51:00,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:51:00,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:51:01,773 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.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40132,40145] [2022-10-16 16:51:05,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:51:05,127 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:51:05,564 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.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40132,40145] [2022-10-16 16:51:08,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:51:08,291 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:51:08,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08 WrapperNode [2022-10-16 16:51:08,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:51:08,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:51:08,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:51:08,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:51:08,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:08,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,013 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24276 [2022-10-16 16:51:09,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:51:09,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:51:09,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:51:09,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:51:09,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,569 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:51:09,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:51:09,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:51:09,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:51:09,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (1/1) ... [2022-10-16 16:51:09,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:51:09,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:51:10,011 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 16:51:10,061 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 16:51:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:51:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:51:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:51:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:51:10,849 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:51:10,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:51:25,327 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:51:25,384 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:51:25,384 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:51:25,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:51:25 BoogieIcfgContainer [2022-10-16 16:51:25,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:51:25,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:51:25,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:51:25,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:51:25,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:51:00" (1/3) ... [2022-10-16 16:51:25,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542d00b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:51:25, skipping insertion in model container [2022-10-16 16:51:25,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:51:08" (2/3) ... [2022-10-16 16:51:25,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542d00b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:51:25, skipping insertion in model container [2022-10-16 16:51:25,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:51:25" (3/3) ... [2022-10-16 16:51:25,410 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:51:25,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:51:25,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1628 error locations. [2022-10-16 16:51:25,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:51:25,688 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;@5f95ff85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:51:25,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1628 error locations. [2022-10-16 16:51:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 10098 states, 8469 states have (on average 1.7978509859487544) internal successors, (15226), 10097 states have internal predecessors, (15226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 16:51:25,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:25,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:25,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1840242396, now seen corresponding path program 1 times [2022-10-16 16:51:25,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:25,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045361556] [2022-10-16 16:51:25,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:26,609 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 16:51:26,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:26,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045361556] [2022-10-16 16:51:26,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045361556] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:26,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:26,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:26,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197291372] [2022-10-16 16:51:26,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:26,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:26,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:26,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:26,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:26,691 INFO L87 Difference]: Start difference. First operand has 10098 states, 8469 states have (on average 1.7978509859487544) internal successors, (15226), 10097 states have internal predecessors, (15226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:27,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:27,741 INFO L93 Difference]: Finished difference Result 18328 states and 28372 transitions. [2022-10-16 16:51:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:27,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 16:51:27,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:27,852 INFO L225 Difference]: With dead ends: 18328 [2022-10-16 16:51:27,853 INFO L226 Difference]: Without dead ends: 10755 [2022-10-16 16:51:27,884 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 16:51:27,891 INFO L413 NwaCegarLoop]: 16563 mSDtfsCounter, 8927 mSDsluCounter, 7805 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8927 SdHoareTripleChecker+Valid, 24368 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:27,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8927 Valid, 24368 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:51:27,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10755 states. [2022-10-16 16:51:28,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10755 to 10477. [2022-10-16 16:51:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10477 states, 9457 states have (on average 1.7213704134503542) internal successors, (16279), 10476 states have internal predecessors, (16279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10477 states to 10477 states and 16279 transitions. [2022-10-16 16:51:28,997 INFO L78 Accepts]: Start accepts. Automaton has 10477 states and 16279 transitions. Word has length 171 [2022-10-16 16:51:29,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:29,001 INFO L495 AbstractCegarLoop]: Abstraction has 10477 states and 16279 transitions. [2022-10-16 16:51:29,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 10477 states and 16279 transitions. [2022-10-16 16:51:29,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 16:51:29,015 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:29,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:29,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:51:29,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1022ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:29,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:29,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1210983260, now seen corresponding path program 1 times [2022-10-16 16:51:29,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:29,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057919410] [2022-10-16 16:51:29,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:29,470 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 16:51:29,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:29,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057919410] [2022-10-16 16:51:29,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057919410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:29,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:29,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:29,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255549617] [2022-10-16 16:51:29,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:29,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:29,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:29,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:29,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:29,475 INFO L87 Difference]: Start difference. First operand 10477 states and 16279 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:30,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:30,529 INFO L93 Difference]: Finished difference Result 22182 states and 35217 transitions. [2022-10-16 16:51:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:30,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2022-10-16 16:51:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:30,641 INFO L225 Difference]: With dead ends: 22182 [2022-10-16 16:51:30,641 INFO L226 Difference]: Without dead ends: 13255 [2022-10-16 16:51:30,660 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 16:51:30,662 INFO L413 NwaCegarLoop]: 14973 mSDtfsCounter, 8706 mSDsluCounter, 6289 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8706 SdHoareTripleChecker+Valid, 21262 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:30,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8706 Valid, 21262 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:51:30,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13255 states. [2022-10-16 16:51:31,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13255 to 12979. [2022-10-16 16:51:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12979 states, 12263 states have (on average 1.7211938351137568) internal successors, (21107), 12978 states have internal predecessors, (21107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12979 states to 12979 states and 21107 transitions. [2022-10-16 16:51:31,618 INFO L78 Accepts]: Start accepts. Automaton has 12979 states and 21107 transitions. Word has length 178 [2022-10-16 16:51:31,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:31,621 INFO L495 AbstractCegarLoop]: Abstraction has 12979 states and 21107 transitions. [2022-10-16 16:51:31,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 12979 states and 21107 transitions. [2022-10-16 16:51:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-10-16 16:51:31,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:31,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:31,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:51:31,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1042766434, now seen corresponding path program 1 times [2022-10-16 16:51:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:31,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924923403] [2022-10-16 16:51:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:31,914 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 16:51:31,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:31,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924923403] [2022-10-16 16:51:31,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924923403] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:31,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:31,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:31,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528510951] [2022-10-16 16:51:31,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:31,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:31,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:31,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:31,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:31,920 INFO L87 Difference]: Start difference. First operand 12979 states and 21107 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:33,490 INFO L93 Difference]: Finished difference Result 29880 states and 49005 transitions. [2022-10-16 16:51:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:33,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 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 185 [2022-10-16 16:51:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:33,557 INFO L225 Difference]: With dead ends: 29880 [2022-10-16 16:51:33,558 INFO L226 Difference]: Without dead ends: 17974 [2022-10-16 16:51:33,585 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 16:51:33,587 INFO L413 NwaCegarLoop]: 14351 mSDtfsCounter, 8507 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8507 SdHoareTripleChecker+Valid, 20175 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:33,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8507 Valid, 20175 Invalid, 92 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:51:33,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17974 states. [2022-10-16 16:51:34,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17974 to 17700. [2022-10-16 16:51:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17700 states, 17136 states have (on average 1.7209383753501402) internal successors, (29490), 17699 states have internal predecessors, (29490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17700 states to 17700 states and 29490 transitions. [2022-10-16 16:51:34,930 INFO L78 Accepts]: Start accepts. Automaton has 17700 states and 29490 transitions. Word has length 185 [2022-10-16 16:51:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:34,931 INFO L495 AbstractCegarLoop]: Abstraction has 17700 states and 29490 transitions. [2022-10-16 16:51:34,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 17700 states and 29490 transitions. [2022-10-16 16:51:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-10-16 16:51:34,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:34,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:34,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:51:34,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1478ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:34,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:34,938 INFO L85 PathProgramCache]: Analyzing trace with hash 553678642, now seen corresponding path program 1 times [2022-10-16 16:51:34,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:34,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581860003] [2022-10-16 16:51:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:34,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:35,351 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 16:51:35,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:35,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581860003] [2022-10-16 16:51:35,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581860003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:35,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:35,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929017851] [2022-10-16 16:51:35,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:35,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:35,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:35,356 INFO L87 Difference]: Start difference. First operand 17700 states and 29490 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:37,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:37,480 INFO L93 Difference]: Finished difference Result 42491 states and 70984 transitions. [2022-10-16 16:51:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:37,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2022-10-16 16:51:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:37,569 INFO L225 Difference]: With dead ends: 42491 [2022-10-16 16:51:37,569 INFO L226 Difference]: Without dead ends: 25639 [2022-10-16 16:51:37,602 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 16:51:37,603 INFO L413 NwaCegarLoop]: 14043 mSDtfsCounter, 7972 mSDsluCounter, 5937 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7972 SdHoareTripleChecker+Valid, 19980 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:37,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7972 Valid, 19980 Invalid, 236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [144 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:51:37,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25639 states. [2022-10-16 16:51:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25639 to 25367. [2022-10-16 16:51:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25367 states, 24879 states have (on average 1.7191607379717835) internal successors, (42771), 25366 states have internal predecessors, (42771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25367 states to 25367 states and 42771 transitions. [2022-10-16 16:51:39,892 INFO L78 Accepts]: Start accepts. Automaton has 25367 states and 42771 transitions. Word has length 192 [2022-10-16 16:51:39,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:39,893 INFO L495 AbstractCegarLoop]: Abstraction has 25367 states and 42771 transitions. [2022-10-16 16:51:39,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 25367 states and 42771 transitions. [2022-10-16 16:51:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-16 16:51:39,897 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:39,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:39,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:51:39,898 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1554ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:39,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:39,899 INFO L85 PathProgramCache]: Analyzing trace with hash 794614356, now seen corresponding path program 1 times [2022-10-16 16:51:39,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:39,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661562540] [2022-10-16 16:51:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:39,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:40,111 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 16:51:40,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:40,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661562540] [2022-10-16 16:51:40,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661562540] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:40,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:40,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:40,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463812920] [2022-10-16 16:51:40,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:40,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:40,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:40,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:40,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:40,116 INFO L87 Difference]: Start difference. First operand 25367 states and 42771 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:43,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:43,354 INFO L93 Difference]: Finished difference Result 62188 states and 105025 transitions. [2022-10-16 16:51:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:43,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-10-16 16:51:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:43,462 INFO L225 Difference]: With dead ends: 62188 [2022-10-16 16:51:43,462 INFO L226 Difference]: Without dead ends: 37570 [2022-10-16 16:51:43,506 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 16:51:43,508 INFO L413 NwaCegarLoop]: 13914 mSDtfsCounter, 6813 mSDsluCounter, 6789 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6813 SdHoareTripleChecker+Valid, 20703 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:43,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6813 Valid, 20703 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:51:43,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37570 states. [2022-10-16 16:51:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37570 to 37300. [2022-10-16 16:51:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37300 states, 36850 states have (on average 1.7159023066485752) internal successors, (63231), 37299 states have internal predecessors, (63231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37300 states to 37300 states and 63231 transitions. [2022-10-16 16:51:46,140 INFO L78 Accepts]: Start accepts. Automaton has 37300 states and 63231 transitions. Word has length 199 [2022-10-16 16:51:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:46,141 INFO L495 AbstractCegarLoop]: Abstraction has 37300 states and 63231 transitions. [2022-10-16 16:51:46,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 37300 states and 63231 transitions. [2022-10-16 16:51:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 16:51:46,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:46,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:46,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:51:46,149 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1592ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:46,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:46,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1945302077, now seen corresponding path program 1 times [2022-10-16 16:51:46,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:46,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988336676] [2022-10-16 16:51:46,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:46,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:46,620 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 16:51:46,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:46,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988336676] [2022-10-16 16:51:46,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988336676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:46,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:46,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:51:46,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112807065] [2022-10-16 16:51:46,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:46,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:46,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:46,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:46,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:46,624 INFO L87 Difference]: Start difference. First operand 37300 states and 63231 transitions. Second operand has 3 states, 2 states have (on average 102.5) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:49,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:49,529 INFO L93 Difference]: Finished difference Result 43151 states and 73535 transitions. [2022-10-16 16:51:49,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:49,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 102.5) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2022-10-16 16:51:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:49,614 INFO L225 Difference]: With dead ends: 43151 [2022-10-16 16:51:49,614 INFO L226 Difference]: Without dead ends: 43139 [2022-10-16 16:51:49,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:49,629 INFO L413 NwaCegarLoop]: 10045 mSDtfsCounter, 6079 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6079 SdHoareTripleChecker+Valid, 14279 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:49,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6079 Valid, 14279 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:51:49,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43139 states. [2022-10-16 16:51:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43139 to 43083. [2022-10-16 16:51:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43083 states, 42642 states have (on average 1.7169222831949722) internal successors, (73213), 43082 states have internal predecessors, (73213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43083 states to 43083 states and 73213 transitions. [2022-10-16 16:51:52,542 INFO L78 Accepts]: Start accepts. Automaton has 43083 states and 73213 transitions. Word has length 205 [2022-10-16 16:51:52,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:52,543 INFO L495 AbstractCegarLoop]: Abstraction has 43083 states and 73213 transitions. [2022-10-16 16:51:52,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 102.5) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:52,544 INFO L276 IsEmpty]: Start isEmpty. Operand 43083 states and 73213 transitions. [2022-10-16 16:51:52,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-16 16:51:52,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:52,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:52,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:51:52,548 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1593ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:52,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:52,549 INFO L85 PathProgramCache]: Analyzing trace with hash -174791274, now seen corresponding path program 1 times [2022-10-16 16:51:52,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:52,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560194432] [2022-10-16 16:51:52,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:52,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:52,904 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 16:51:52,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:52,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560194432] [2022-10-16 16:51:52,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560194432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:52,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:52,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:51:52,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428565258] [2022-10-16 16:51:52,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:52,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:52,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:52,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:52,908 INFO L87 Difference]: Start difference. First operand 43083 states and 73213 transitions. Second operand has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:56,302 INFO L93 Difference]: Finished difference Result 43142 states and 73213 transitions. [2022-10-16 16:51:56,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:56,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 206 [2022-10-16 16:51:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:56,452 INFO L225 Difference]: With dead ends: 43142 [2022-10-16 16:51:56,452 INFO L226 Difference]: Without dead ends: 43130 [2022-10-16 16:51:56,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:56,465 INFO L413 NwaCegarLoop]: 10045 mSDtfsCounter, 6069 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6069 SdHoareTripleChecker+Valid, 14279 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:56,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6069 Valid, 14279 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:51:56,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43130 states. [2022-10-16 16:51:59,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43130 to 43074. [2022-10-16 16:51:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43074 states, 42642 states have (on average 1.7093710426340227) internal successors, (72891), 43073 states have internal predecessors, (72891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43074 states to 43074 states and 72891 transitions. [2022-10-16 16:51:59,325 INFO L78 Accepts]: Start accepts. Automaton has 43074 states and 72891 transitions. Word has length 206 [2022-10-16 16:51:59,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:59,326 INFO L495 AbstractCegarLoop]: Abstraction has 43074 states and 72891 transitions. [2022-10-16 16:51:59,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:59,326 INFO L276 IsEmpty]: Start isEmpty. Operand 43074 states and 72891 transitions. [2022-10-16 16:51:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-16 16:51:59,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:59,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:59,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:51:59,331 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1594ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:51:59,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:59,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1123531227, now seen corresponding path program 1 times [2022-10-16 16:51:59,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:59,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639489043] [2022-10-16 16:51:59,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:59,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:59,850 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 16:51:59,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:59,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639489043] [2022-10-16 16:51:59,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639489043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:59,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:59,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:51:59,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762838889] [2022-10-16 16:51:59,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:59,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:59,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:59,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:59,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:59,854 INFO L87 Difference]: Start difference. First operand 43074 states and 72891 transitions. Second operand has 3 states, 2 states have (on average 103.5) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:02,969 INFO L93 Difference]: Finished difference Result 48919 states and 83003 transitions. [2022-10-16 16:52:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:02,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 103.5) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2022-10-16 16:52:02,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:03,098 INFO L225 Difference]: With dead ends: 48919 [2022-10-16 16:52:03,098 INFO L226 Difference]: Without dead ends: 48907 [2022-10-16 16:52:03,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:03,120 INFO L413 NwaCegarLoop]: 10017 mSDtfsCounter, 5062 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5062 SdHoareTripleChecker+Valid, 15225 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:03,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5062 Valid, 15225 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:52:03,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48907 states. [2022-10-16 16:52:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48907 to 48857. [2022-10-16 16:52:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48857 states, 48434 states have (on average 1.707085931370525) internal successors, (82681), 48856 states have internal predecessors, (82681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48857 states to 48857 states and 82681 transitions. [2022-10-16 16:52:06,550 INFO L78 Accepts]: Start accepts. Automaton has 48857 states and 82681 transitions. Word has length 207 [2022-10-16 16:52:06,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:06,551 INFO L495 AbstractCegarLoop]: Abstraction has 48857 states and 82681 transitions. [2022-10-16 16:52:06,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 103.5) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 48857 states and 82681 transitions. [2022-10-16 16:52:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-16 16:52:06,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:06,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:06,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:52:06,555 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1595ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:52:06,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash -469698696, now seen corresponding path program 1 times [2022-10-16 16:52:06,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:06,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060425303] [2022-10-16 16:52:06,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:06,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:06,933 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 16:52:06,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:06,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060425303] [2022-10-16 16:52:06,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060425303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:06,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:06,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:06,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14739480] [2022-10-16 16:52:06,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:06,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:06,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:06,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:06,937 INFO L87 Difference]: Start difference. First operand 48857 states and 82681 transitions. Second operand has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:10,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:10,371 INFO L93 Difference]: Finished difference Result 48910 states and 82681 transitions. [2022-10-16 16:52:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:10,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2022-10-16 16:52:10,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:10,445 INFO L225 Difference]: With dead ends: 48910 [2022-10-16 16:52:10,445 INFO L226 Difference]: Without dead ends: 48898 [2022-10-16 16:52:10,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:10,458 INFO L413 NwaCegarLoop]: 10017 mSDtfsCounter, 5052 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5052 SdHoareTripleChecker+Valid, 15225 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:10,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5052 Valid, 15225 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:52:10,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48898 states. [2022-10-16 16:52:13,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48898 to 48848. [2022-10-16 16:52:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48848 states, 48434 states have (on average 1.7004377090473635) internal successors, (82359), 48847 states have internal predecessors, (82359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:14,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48848 states to 48848 states and 82359 transitions. [2022-10-16 16:52:14,009 INFO L78 Accepts]: Start accepts. Automaton has 48848 states and 82359 transitions. Word has length 208 [2022-10-16 16:52:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:14,010 INFO L495 AbstractCegarLoop]: Abstraction has 48848 states and 82359 transitions. [2022-10-16 16:52:14,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 48848 states and 82359 transitions. [2022-10-16 16:52:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 16:52:14,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:14,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:14,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:52:14,012 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1596ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:52:14,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:14,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1675726713, now seen corresponding path program 1 times [2022-10-16 16:52:14,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:14,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315881492] [2022-10-16 16:52:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:14,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:14,387 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 16:52:14,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:14,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315881492] [2022-10-16 16:52:14,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315881492] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:14,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:14,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:14,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61867485] [2022-10-16 16:52:14,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:14,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:14,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:14,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:14,390 INFO L87 Difference]: Start difference. First operand 48848 states and 82359 transitions. Second operand has 3 states, 2 states have (on average 104.5) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:18,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:18,733 INFO L93 Difference]: Finished difference Result 54689 states and 92281 transitions. [2022-10-16 16:52:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:18,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 104.5) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 209 [2022-10-16 16:52:18,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:18,838 INFO L225 Difference]: With dead ends: 54689 [2022-10-16 16:52:18,838 INFO L226 Difference]: Without dead ends: 54677 [2022-10-16 16:52:18,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:18,853 INFO L413 NwaCegarLoop]: 9990 mSDtfsCounter, 4534 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4534 SdHoareTripleChecker+Valid, 15666 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:18,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4534 Valid, 15666 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:18,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54677 states. [2022-10-16 16:52:23,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54677 to 54633. [2022-10-16 16:52:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54633 states, 54228 states have (on average 1.6957844655897323) internal successors, (91959), 54632 states have internal predecessors, (91959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54633 states to 54633 states and 91959 transitions. [2022-10-16 16:52:23,445 INFO L78 Accepts]: Start accepts. Automaton has 54633 states and 91959 transitions. Word has length 209 [2022-10-16 16:52:23,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:23,446 INFO L495 AbstractCegarLoop]: Abstraction has 54633 states and 91959 transitions. [2022-10-16 16:52:23,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 104.5) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 54633 states and 91959 transitions. [2022-10-16 16:52:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-16 16:52:23,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:23,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:23,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:52:23,450 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1597ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:52:23,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:23,451 INFO L85 PathProgramCache]: Analyzing trace with hash -407889574, now seen corresponding path program 1 times [2022-10-16 16:52:23,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:23,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462074037] [2022-10-16 16:52:23,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:23,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:23,918 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 16:52:23,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:23,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462074037] [2022-10-16 16:52:23,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462074037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:23,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:23,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:23,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394663648] [2022-10-16 16:52:23,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:23,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:23,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:23,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:23,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:23,921 INFO L87 Difference]: Start difference. First operand 54633 states and 91959 transitions. Second operand has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:28,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:28,478 INFO L93 Difference]: Finished difference Result 54680 states and 91959 transitions. [2022-10-16 16:52:28,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:28,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 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 210 [2022-10-16 16:52:28,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:28,573 INFO L225 Difference]: With dead ends: 54680 [2022-10-16 16:52:28,574 INFO L226 Difference]: Without dead ends: 54668 [2022-10-16 16:52:28,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:28,596 INFO L413 NwaCegarLoop]: 9990 mSDtfsCounter, 4524 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4524 SdHoareTripleChecker+Valid, 15666 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:28,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4524 Valid, 15666 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:52:28,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54668 states. [2022-10-16 16:52:33,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54668 to 54624. [2022-10-16 16:52:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54624 states, 54228 states have (on average 1.6898465737257506) internal successors, (91637), 54623 states have internal predecessors, (91637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54624 states to 54624 states and 91637 transitions. [2022-10-16 16:52:33,218 INFO L78 Accepts]: Start accepts. Automaton has 54624 states and 91637 transitions. Word has length 210 [2022-10-16 16:52:33,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:33,219 INFO L495 AbstractCegarLoop]: Abstraction has 54624 states and 91637 transitions. [2022-10-16 16:52:33,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 54624 states and 91637 transitions. [2022-10-16 16:52:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-10-16 16:52:33,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:33,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:33,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:52:33,222 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1598ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:52:33,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash 240356073, now seen corresponding path program 1 times [2022-10-16 16:52:33,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:33,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461732918] [2022-10-16 16:52:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:33,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:33,700 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 16:52:33,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:33,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461732918] [2022-10-16 16:52:33,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461732918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:33,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:33,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:33,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668490898] [2022-10-16 16:52:33,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:33,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:33,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:33,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:33,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:33,703 INFO L87 Difference]: Start difference. First operand 54624 states and 91637 transitions. Second operand has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:39,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:39,779 INFO L93 Difference]: Finished difference Result 70835 states and 118453 transitions. [2022-10-16 16:52:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:39,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 211 [2022-10-16 16:52:39,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:39,910 INFO L225 Difference]: With dead ends: 70835 [2022-10-16 16:52:39,910 INFO L226 Difference]: Without dead ends: 70823 [2022-10-16 16:52:39,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:39,928 INFO L413 NwaCegarLoop]: 9852 mSDtfsCounter, 4511 mSDsluCounter, 5589 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4511 SdHoareTripleChecker+Valid, 15441 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:39,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4511 Valid, 15441 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:39,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70823 states. [2022-10-16 16:52:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70823 to 70805. [2022-10-16 16:52:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70805 states, 70420 states have (on average 1.6734308435103664) internal successors, (117843), 70804 states have internal predecessors, (117843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70805 states to 70805 states and 117843 transitions. [2022-10-16 16:52:46,065 INFO L78 Accepts]: Start accepts. Automaton has 70805 states and 117843 transitions. Word has length 211 [2022-10-16 16:52:46,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:46,066 INFO L495 AbstractCegarLoop]: Abstraction has 70805 states and 117843 transitions. [2022-10-16 16:52:46,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 70805 states and 117843 transitions. [2022-10-16 16:52:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 16:52:46,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:46,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:46,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:52:46,069 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1599ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:52:46,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1138865348, now seen corresponding path program 1 times [2022-10-16 16:52:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:46,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264254327] [2022-10-16 16:52:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:46,477 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 16:52:46,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:46,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264254327] [2022-10-16 16:52:46,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264254327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:46,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:46,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:46,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734224064] [2022-10-16 16:52:46,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:46,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:46,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:46,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:46,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:46,480 INFO L87 Difference]: Start difference. First operand 70805 states and 117843 transitions. Second operand has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:54,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:54,726 INFO L93 Difference]: Finished difference Result 98579 states and 165023 transitions. [2022-10-16 16:52:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:54,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-10-16 16:52:54,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:54,907 INFO L225 Difference]: With dead ends: 98579 [2022-10-16 16:52:54,907 INFO L226 Difference]: Without dead ends: 98567 [2022-10-16 16:52:54,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:54,930 INFO L413 NwaCegarLoop]: 9959 mSDtfsCounter, 4497 mSDsluCounter, 5633 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 15592 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:54,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 15592 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:55,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98567 states. [2022-10-16 16:53:03,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98567 to 98511. [2022-10-16 16:53:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98511 states, 98135 states have (on average 1.6740714322107302) internal successors, (164285), 98510 states have internal predecessors, (164285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98511 states to 98511 states and 164285 transitions. [2022-10-16 16:53:04,027 INFO L78 Accepts]: Start accepts. Automaton has 98511 states and 164285 transitions. Word has length 212 [2022-10-16 16:53:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:04,027 INFO L495 AbstractCegarLoop]: Abstraction has 98511 states and 164285 transitions. [2022-10-16 16:53:04,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 98511 states and 164285 transitions. [2022-10-16 16:53:04,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-16 16:53:04,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:04,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:04,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:53:04,030 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1600ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:53:04,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:04,030 INFO L85 PathProgramCache]: Analyzing trace with hash 768052542, now seen corresponding path program 1 times [2022-10-16 16:53:04,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:04,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402064764] [2022-10-16 16:53:04,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:04,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:04,311 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 16:53:04,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:04,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402064764] [2022-10-16 16:53:04,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402064764] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:04,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:04,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:04,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299842904] [2022-10-16 16:53:04,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:04,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:04,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:04,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:04,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:04,315 INFO L87 Difference]: Start difference. First operand 98511 states and 164285 transitions. Second operand has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:18,448 INFO L93 Difference]: Finished difference Result 151558 states and 251933 transitions. [2022-10-16 16:53:18,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:18,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2022-10-16 16:53:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:18,783 INFO L225 Difference]: With dead ends: 151558 [2022-10-16 16:53:18,783 INFO L226 Difference]: Without dead ends: 151553 [2022-10-16 16:53:18,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:18,832 INFO L413 NwaCegarLoop]: 9845 mSDtfsCounter, 5299 mSDsluCounter, 4879 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5299 SdHoareTripleChecker+Valid, 14724 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:18,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5299 Valid, 14724 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:53:18,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151553 states. [2022-10-16 16:53:33,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151553 to 151341. [2022-10-16 16:53:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151341 states, 150969 states have (on average 1.6638912624446078) internal successors, (251196), 151340 states have internal predecessors, (251196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:34,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151341 states to 151341 states and 251196 transitions. [2022-10-16 16:53:34,292 INFO L78 Accepts]: Start accepts. Automaton has 151341 states and 251196 transitions. Word has length 214 [2022-10-16 16:53:34,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:34,292 INFO L495 AbstractCegarLoop]: Abstraction has 151341 states and 251196 transitions. [2022-10-16 16:53:34,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 151341 states and 251196 transitions. [2022-10-16 16:53:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 16:53:34,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:34,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:34,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:53:34,296 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1601ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:53:34,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:34,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1960143986, now seen corresponding path program 1 times [2022-10-16 16:53:34,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:34,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312415306] [2022-10-16 16:53:34,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:34,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:34,598 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 16:53:34,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:34,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312415306] [2022-10-16 16:53:34,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312415306] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:34,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:34,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:34,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412196947] [2022-10-16 16:53:34,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:34,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:34,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:34,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:34,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:34,603 INFO L87 Difference]: Start difference. First operand 151341 states and 251196 transitions. Second operand has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:59,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:59,422 INFO L93 Difference]: Finished difference Result 260863 states and 434146 transitions. [2022-10-16 16:53:59,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:59,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 215 [2022-10-16 16:53:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:00,020 INFO L225 Difference]: With dead ends: 260863 [2022-10-16 16:54:00,020 INFO L226 Difference]: Without dead ends: 260858 [2022-10-16 16:54:00,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:00,093 INFO L413 NwaCegarLoop]: 9947 mSDtfsCounter, 5294 mSDsluCounter, 4911 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5294 SdHoareTripleChecker+Valid, 14858 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:00,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5294 Valid, 14858 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:54:00,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260858 states. [2022-10-16 16:54:26,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260858 to 260608. [2022-10-16 16:54:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260608 states, 260240 states have (on average 1.6644366738395326) internal successors, (433153), 260607 states have internal predecessors, (433153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260608 states to 260608 states and 433153 transitions. [2022-10-16 16:54:28,597 INFO L78 Accepts]: Start accepts. Automaton has 260608 states and 433153 transitions. Word has length 215 [2022-10-16 16:54:28,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:28,597 INFO L495 AbstractCegarLoop]: Abstraction has 260608 states and 433153 transitions. [2022-10-16 16:54:28,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 260608 states and 433153 transitions. [2022-10-16 16:54:28,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-10-16 16:54:28,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:28,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:28,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:54:28,601 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1602ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:28,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1793264112, now seen corresponding path program 1 times [2022-10-16 16:54:28,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:28,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811013993] [2022-10-16 16:54:28,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:28,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:28,898 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 16:54:28,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:28,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811013993] [2022-10-16 16:54:28,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811013993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:28,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:28,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:28,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831760981] [2022-10-16 16:54:28,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:28,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:28,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:28,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:28,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:28,903 INFO L87 Difference]: Start difference. First operand 260608 states and 433153 transitions. Second operand has 3 states, 2 states have (on average 108.5) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)