/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.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:24:19,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:24:19,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:24:19,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:24:19,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:24:19,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:24:19,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:24:19,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:24:19,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:24:19,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:24:19,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:24:20,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:24:20,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:24:20,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:24:20,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:24:20,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:24:20,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:24:20,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:24:20,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:24:20,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:24:20,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:24:20,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:24:20,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:24:20,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:24:20,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:24:20,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:24:20,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:24:20,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:24:20,056 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 [2022-10-15 22:24:20,084 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:24:20,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:24:20,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:24:20,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:24:20,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:24:20,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:24:20,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:24:20,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:24:20,088 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:24:20,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:24:20,088 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:24:20,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:24:20,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:24:20,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:24:20,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:24:20,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:24:20,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:24:20,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:24:20,090 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:24:20,090 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:24:20,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:24:20,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:24:20,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:24:20,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:24:20,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:24:20,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:24:20,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:20,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:24:20,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:24:20,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:24:20,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:24:20,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:24:20,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:24:20,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:24:20,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:24:20,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:24:20,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:24:20,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:24:20,514 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:24:20,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:24:20,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb788320d/b4cb41bc27e045188075a5e28654f52b/FLAGbb0f53a3b [2022-10-15 22:24:21,345 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:24:21,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:24:21,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb788320d/b4cb41bc27e045188075a5e28654f52b/FLAGbb0f53a3b [2022-10-15 22:24:21,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb788320d/b4cb41bc27e045188075a5e28654f52b [2022-10-15 22:24:21,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:24:21,604 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:24:21,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:21,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:24:21,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:24:21,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:21" (1/1) ... [2022-10-15 22:24:21,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c27b891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:21, skipping insertion in model container [2022-10-15 22:24:21,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:21" (1/1) ... [2022-10-15 22:24:21,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:24:21,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:24:22,029 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.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13867,13880] [2022-10-15 22:24:22,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:22,167 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:24:22,336 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.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[13867,13880] [2022-10-15 22:24:22,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:22,431 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:24:22,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22 WrapperNode [2022-10-15 22:24:22,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:22,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:22,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:24:22,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:24:22,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,545 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1419 [2022-10-15 22:24:22,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:22,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:24:22,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:24:22,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:24:22,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,617 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:24:22,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:24:22,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:24:22,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:24:22,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (1/1) ... [2022-10-15 22:24:22,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:22,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:24:22,687 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) [2022-10-15 22:24:22,715 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 [2022-10-15 22:24:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:24:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:24:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:24:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:24:23,044 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:24:23,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:24:24,553 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:24:24,567 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:24:24,568 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:24:24,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:24 BoogieIcfgContainer [2022-10-15 22:24:24,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:24:24,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:24:24,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:24:24,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:24:24,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:24:21" (1/3) ... [2022-10-15 22:24:24,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2a33ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:24, skipping insertion in model container [2022-10-15 22:24:24,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:22" (2/3) ... [2022-10-15 22:24:24,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2a33ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:24, skipping insertion in model container [2022-10-15 22:24:24,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:24" (3/3) ... [2022-10-15 22:24:24,584 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:24:24,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:24:24,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-15 22:24:24,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:24:24,697 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;@6b158cc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:24:24,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-15 22:24:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 437 states, 390 states have (on average 1.8205128205128205) internal successors, (710), 436 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:24:24,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:24,749 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] [2022-10-15 22:24:24,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:24,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:24,760 INFO L85 PathProgramCache]: Analyzing trace with hash -275336464, now seen corresponding path program 1 times [2022-10-15 22:24:24,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:24,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174040065] [2022-10-15 22:24:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:24,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:25,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:25,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174040065] [2022-10-15 22:24:25,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174040065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:25,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:25,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:24:25,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016542749] [2022-10-15 22:24:25,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:25,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:24:25,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:25,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:24:25,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:24:25,503 INFO L87 Difference]: Start difference. First operand has 437 states, 390 states have (on average 1.8205128205128205) internal successors, (710), 436 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 101.0) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:25,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:25,564 INFO L93 Difference]: Finished difference Result 440 states and 712 transitions. [2022-10-15 22:24:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:24:25,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 101.0) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-15 22:24:25,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:25,587 INFO L225 Difference]: With dead ends: 440 [2022-10-15 22:24:25,587 INFO L226 Difference]: Without dead ends: 426 [2022-10-15 22:24:25,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:24:25,596 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:25,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:25,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-10-15 22:24:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2022-10-15 22:24:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 388 states have (on average 1.6804123711340206) internal successors, (652), 425 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 652 transitions. [2022-10-15 22:24:25,710 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 652 transitions. Word has length 101 [2022-10-15 22:24:25,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:25,712 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 652 transitions. [2022-10-15 22:24:25,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 101.0) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 652 transitions. [2022-10-15 22:24:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 22:24:25,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:25,728 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] [2022-10-15 22:24:25,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:24:25,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:25,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1539050976, now seen corresponding path program 1 times [2022-10-15 22:24:25,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:25,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286836179] [2022-10-15 22:24:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:25,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:26,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:26,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286836179] [2022-10-15 22:24:26,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286836179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:26,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:26,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:26,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862839405] [2022-10-15 22:24:26,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:26,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:26,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:26,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:26,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:26,195 INFO L87 Difference]: Start difference. First operand 426 states and 652 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:26,361 INFO L93 Difference]: Finished difference Result 856 states and 1284 transitions. [2022-10-15 22:24:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:26,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-15 22:24:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:26,368 INFO L225 Difference]: With dead ends: 856 [2022-10-15 22:24:26,369 INFO L226 Difference]: Without dead ends: 623 [2022-10-15 22:24:26,371 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 [2022-10-15 22:24:26,373 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 284 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:26,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 1260 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:24:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-10-15 22:24:26,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 595. [2022-10-15 22:24:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 557 states have (on average 1.6822262118491922) internal successors, (937), 594 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 937 transitions. [2022-10-15 22:24:26,420 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 937 transitions. Word has length 115 [2022-10-15 22:24:26,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:26,421 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 937 transitions. [2022-10-15 22:24:26,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:26,421 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 937 transitions. [2022-10-15 22:24:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:24:26,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:26,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:26,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:24:26,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:26,425 INFO L85 PathProgramCache]: Analyzing trace with hash 105072814, now seen corresponding path program 1 times [2022-10-15 22:24:26,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:26,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157567051] [2022-10-15 22:24:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:26,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:26,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:26,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157567051] [2022-10-15 22:24:26,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157567051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:26,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:26,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:26,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829397214] [2022-10-15 22:24:26,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:26,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:26,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:26,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:26,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:26,685 INFO L87 Difference]: Start difference. First operand 595 states and 937 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:26,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:26,784 INFO L93 Difference]: Finished difference Result 1379 states and 2149 transitions. [2022-10-15 22:24:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:24:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:26,795 INFO L225 Difference]: With dead ends: 1379 [2022-10-15 22:24:26,795 INFO L226 Difference]: Without dead ends: 977 [2022-10-15 22:24:26,801 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 [2022-10-15 22:24:26,809 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 309 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:26,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1256 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:26,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-10-15 22:24:26,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 935. [2022-10-15 22:24:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 897 states have (on average 1.6911928651059085) internal successors, (1517), 934 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:26,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1517 transitions. [2022-10-15 22:24:26,886 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1517 transitions. Word has length 118 [2022-10-15 22:24:26,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:26,886 INFO L495 AbstractCegarLoop]: Abstraction has 935 states and 1517 transitions. [2022-10-15 22:24:26,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1517 transitions. [2022-10-15 22:24:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 22:24:26,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:26,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:26,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:24:26,890 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:26,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:26,891 INFO L85 PathProgramCache]: Analyzing trace with hash -2022182621, now seen corresponding path program 1 times [2022-10-15 22:24:26,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:26,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060944035] [2022-10-15 22:24:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:26,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:27,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:27,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060944035] [2022-10-15 22:24:27,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060944035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:27,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:27,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:27,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529831195] [2022-10-15 22:24:27,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:27,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:27,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:27,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:27,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:27,077 INFO L87 Difference]: Start difference. First operand 935 states and 1517 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:27,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:27,207 INFO L93 Difference]: Finished difference Result 2379 states and 3853 transitions. [2022-10-15 22:24:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:27,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-15 22:24:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:27,219 INFO L225 Difference]: With dead ends: 2379 [2022-10-15 22:24:27,219 INFO L226 Difference]: Without dead ends: 1637 [2022-10-15 22:24:27,221 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 [2022-10-15 22:24:27,223 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 302 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:27,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1257 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:27,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2022-10-15 22:24:27,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1591. [2022-10-15 22:24:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1553 states have (on average 1.695428203477141) internal successors, (2633), 1590 states have internal predecessors, (2633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2633 transitions. [2022-10-15 22:24:27,362 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2633 transitions. Word has length 121 [2022-10-15 22:24:27,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:27,363 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2633 transitions. [2022-10-15 22:24:27,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2633 transitions. [2022-10-15 22:24:27,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:24:27,368 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:27,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:27,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:24:27,369 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:27,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:27,369 INFO L85 PathProgramCache]: Analyzing trace with hash 800683825, now seen corresponding path program 1 times [2022-10-15 22:24:27,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:27,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787477250] [2022-10-15 22:24:27,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:27,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:27,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:27,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787477250] [2022-10-15 22:24:27,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787477250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:27,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:27,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:27,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402990717] [2022-10-15 22:24:27,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:27,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:27,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:27,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:27,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:27,591 INFO L87 Difference]: Start difference. First operand 1591 states and 2633 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:27,858 INFO L93 Difference]: Finished difference Result 4307 states and 7129 transitions. [2022-10-15 22:24:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:27,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-15 22:24:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:27,881 INFO L225 Difference]: With dead ends: 4307 [2022-10-15 22:24:27,881 INFO L226 Difference]: Without dead ends: 2909 [2022-10-15 22:24:27,884 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 [2022-10-15 22:24:27,886 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 294 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:27,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 1255 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:27,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2022-10-15 22:24:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2855. [2022-10-15 22:24:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2855 states, 2817 states have (on average 1.6929357472488462) internal successors, (4769), 2854 states have internal predecessors, (4769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 4769 transitions. [2022-10-15 22:24:28,153 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 4769 transitions. Word has length 124 [2022-10-15 22:24:28,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:28,153 INFO L495 AbstractCegarLoop]: Abstraction has 2855 states and 4769 transitions. [2022-10-15 22:24:28,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 4769 transitions. [2022-10-15 22:24:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:24:28,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:28,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:28,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:24:28,158 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:28,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash -492442202, now seen corresponding path program 1 times [2022-10-15 22:24:28,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:28,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100255533] [2022-10-15 22:24:28,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:28,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:28,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:28,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100255533] [2022-10-15 22:24:28,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100255533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:28,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:28,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:28,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893672242] [2022-10-15 22:24:28,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:28,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:28,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:28,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:28,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:28,415 INFO L87 Difference]: Start difference. First operand 2855 states and 4769 transitions. Second operand has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:29,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:29,125 INFO L93 Difference]: Finished difference Result 5704 states and 9529 transitions. [2022-10-15 22:24:29,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:24:29,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-15 22:24:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:29,160 INFO L225 Difference]: With dead ends: 5704 [2022-10-15 22:24:29,160 INFO L226 Difference]: Without dead ends: 5701 [2022-10-15 22:24:29,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:24:29,170 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 994 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:29,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 1853 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:24:29,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5701 states. [2022-10-15 22:24:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 4899. [2022-10-15 22:24:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4899 states, 4861 states have (on average 1.691627237193993) internal successors, (8223), 4898 states have internal predecessors, (8223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4899 states and 8223 transitions. [2022-10-15 22:24:29,617 INFO L78 Accepts]: Start accepts. Automaton has 4899 states and 8223 transitions. Word has length 127 [2022-10-15 22:24:29,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:29,618 INFO L495 AbstractCegarLoop]: Abstraction has 4899 states and 8223 transitions. [2022-10-15 22:24:29,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 8223 transitions. [2022-10-15 22:24:29,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-15 22:24:29,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:29,621 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] [2022-10-15 22:24:29,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:24:29,623 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:29,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:29,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1914161397, now seen corresponding path program 1 times [2022-10-15 22:24:29,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:29,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783464112] [2022-10-15 22:24:29,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:29,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:29,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:29,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783464112] [2022-10-15 22:24:29,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783464112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:29,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:29,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450521958] [2022-10-15 22:24:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:29,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:29,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:29,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:29,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:29,841 INFO L87 Difference]: Start difference. First operand 4899 states and 8223 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:30,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:30,428 INFO L93 Difference]: Finished difference Result 5666 states and 9489 transitions. [2022-10-15 22:24:30,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:24:30,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-15 22:24:30,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:30,461 INFO L225 Difference]: With dead ends: 5666 [2022-10-15 22:24:30,461 INFO L226 Difference]: Without dead ends: 5663 [2022-10-15 22:24:30,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:24:30,464 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 991 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:30,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 1469 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:24:30,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5663 states. [2022-10-15 22:24:30,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5663 to 5631. [2022-10-15 22:24:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5631 states, 5593 states have (on average 1.6858573216520651) internal successors, (9429), 5630 states have internal predecessors, (9429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 5631 states and 9429 transitions. [2022-10-15 22:24:30,966 INFO L78 Accepts]: Start accepts. Automaton has 5631 states and 9429 transitions. Word has length 128 [2022-10-15 22:24:30,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:30,966 INFO L495 AbstractCegarLoop]: Abstraction has 5631 states and 9429 transitions. [2022-10-15 22:24:30,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 9429 transitions. [2022-10-15 22:24:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 22:24:30,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:30,970 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] [2022-10-15 22:24:30,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:24:30,971 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:30,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash -790538360, now seen corresponding path program 1 times [2022-10-15 22:24:30,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:30,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843628666] [2022-10-15 22:24:30,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:31,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:31,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843628666] [2022-10-15 22:24:31,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843628666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:31,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:31,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:24:31,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386897581] [2022-10-15 22:24:31,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:31,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:24:31,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:31,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:24:31,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:24:31,226 INFO L87 Difference]: Start difference. First operand 5631 states and 9429 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:32,266 INFO L93 Difference]: Finished difference Result 7819 states and 12959 transitions. [2022-10-15 22:24:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:24:32,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-15 22:24:32,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:32,312 INFO L225 Difference]: With dead ends: 7819 [2022-10-15 22:24:32,312 INFO L226 Difference]: Without dead ends: 7816 [2022-10-15 22:24:32,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:24:32,316 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 1923 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:32,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 2572 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:24:32,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7816 states. [2022-10-15 22:24:32,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7816 to 6991. [2022-10-15 22:24:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6991 states, 6953 states have (on average 1.6776930821228246) internal successors, (11665), 6990 states have internal predecessors, (11665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6991 states to 6991 states and 11665 transitions. [2022-10-15 22:24:32,954 INFO L78 Accepts]: Start accepts. Automaton has 6991 states and 11665 transitions. Word has length 129 [2022-10-15 22:24:32,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:32,954 INFO L495 AbstractCegarLoop]: Abstraction has 6991 states and 11665 transitions. [2022-10-15 22:24:32,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 6991 states and 11665 transitions. [2022-10-15 22:24:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 22:24:32,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:32,959 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] [2022-10-15 22:24:32,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:24:32,959 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:32,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:32,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1263115095, now seen corresponding path program 1 times [2022-10-15 22:24:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:32,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935288463] [2022-10-15 22:24:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:33,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:33,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935288463] [2022-10-15 22:24:33,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935288463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:33,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:33,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:24:33,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306196737] [2022-10-15 22:24:33,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:33,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:24:33,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:33,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:24:33,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:24:33,227 INFO L87 Difference]: Start difference. First operand 6991 states and 11665 transitions. Second operand has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:34,324 INFO L93 Difference]: Finished difference Result 7759 states and 12857 transitions. [2022-10-15 22:24:34,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:24:34,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-15 22:24:34,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:34,348 INFO L225 Difference]: With dead ends: 7759 [2022-10-15 22:24:34,348 INFO L226 Difference]: Without dead ends: 7756 [2022-10-15 22:24:34,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:24:34,355 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1883 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 2126 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:34,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1883 Valid, 2126 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:24:34,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7756 states. [2022-10-15 22:24:35,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7756 to 7695. [2022-10-15 22:24:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7695 states, 7657 states have (on average 1.6699751861042185) internal successors, (12787), 7694 states have internal predecessors, (12787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7695 states to 7695 states and 12787 transitions. [2022-10-15 22:24:35,046 INFO L78 Accepts]: Start accepts. Automaton has 7695 states and 12787 transitions. Word has length 130 [2022-10-15 22:24:35,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:35,047 INFO L495 AbstractCegarLoop]: Abstraction has 7695 states and 12787 transitions. [2022-10-15 22:24:35,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 7695 states and 12787 transitions. [2022-10-15 22:24:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-15 22:24:35,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:35,051 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] [2022-10-15 22:24:35,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:24:35,051 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:35,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:35,052 INFO L85 PathProgramCache]: Analyzing trace with hash 501862762, now seen corresponding path program 1 times [2022-10-15 22:24:35,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:35,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667555719] [2022-10-15 22:24:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:35,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:35,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:35,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667555719] [2022-10-15 22:24:35,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667555719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:35,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:35,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:24:35,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096314549] [2022-10-15 22:24:35,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:35,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:24:35,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:35,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:24:35,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:24:35,287 INFO L87 Difference]: Start difference. First operand 7695 states and 12787 transitions. Second operand has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:37,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:37,822 INFO L93 Difference]: Finished difference Result 23671 states and 39235 transitions. [2022-10-15 22:24:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:24:37,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-15 22:24:37,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:37,884 INFO L225 Difference]: With dead ends: 23671 [2022-10-15 22:24:37,884 INFO L226 Difference]: Without dead ends: 16169 [2022-10-15 22:24:37,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:24:37,903 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 2869 mSDsluCounter, 4327 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 4930 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:37,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 4930 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:24:37,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16169 states. [2022-10-15 22:24:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16169 to 13755. [2022-10-15 22:24:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13755 states, 13717 states have (on average 1.6609316906029015) internal successors, (22783), 13754 states have internal predecessors, (22783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 22783 transitions. [2022-10-15 22:24:39,251 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 22783 transitions. Word has length 131 [2022-10-15 22:24:39,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:39,252 INFO L495 AbstractCegarLoop]: Abstraction has 13755 states and 22783 transitions. [2022-10-15 22:24:39,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 22783 transitions. [2022-10-15 22:24:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 22:24:39,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:39,256 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] [2022-10-15 22:24:39,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:24:39,257 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:39,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1622123079, now seen corresponding path program 1 times [2022-10-15 22:24:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:39,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649524400] [2022-10-15 22:24:39,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:39,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:39,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649524400] [2022-10-15 22:24:39,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649524400] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:39,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:39,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:24:39,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223253111] [2022-10-15 22:24:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:39,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:24:39,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:39,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:24:39,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:24:39,572 INFO L87 Difference]: Start difference. First operand 13755 states and 22783 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:41,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:41,536 INFO L93 Difference]: Finished difference Result 18640 states and 30791 transitions. [2022-10-15 22:24:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:24:41,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-15 22:24:41,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:41,599 INFO L225 Difference]: With dead ends: 18640 [2022-10-15 22:24:41,600 INFO L226 Difference]: Without dead ends: 18637 [2022-10-15 22:24:41,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:24:41,609 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 3683 mSDsluCounter, 2677 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3683 SdHoareTripleChecker+Valid, 3267 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:41,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3683 Valid, 3267 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:24:41,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18637 states. [2022-10-15 22:24:42,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18637 to 18495. [2022-10-15 22:24:42,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18495 states, 18457 states have (on average 1.6569865091835076) internal successors, (30583), 18494 states have internal predecessors, (30583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18495 states to 18495 states and 30583 transitions. [2022-10-15 22:24:43,059 INFO L78 Accepts]: Start accepts. Automaton has 18495 states and 30583 transitions. Word has length 132 [2022-10-15 22:24:43,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:43,060 INFO L495 AbstractCegarLoop]: Abstraction has 18495 states and 30583 transitions. [2022-10-15 22:24:43,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 18495 states and 30583 transitions. [2022-10-15 22:24:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 22:24:43,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:43,065 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] [2022-10-15 22:24:43,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:24:43,066 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:43,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:43,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2136766891, now seen corresponding path program 1 times [2022-10-15 22:24:43,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:43,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76927795] [2022-10-15 22:24:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:43,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:43,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:43,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76927795] [2022-10-15 22:24:43,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76927795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:43,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:43,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:43,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365402022] [2022-10-15 22:24:43,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:43,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:43,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:43,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:43,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:43,215 INFO L87 Difference]: Start difference. First operand 18495 states and 30583 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:45,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:45,628 INFO L93 Difference]: Finished difference Result 41008 states and 67876 transitions. [2022-10-15 22:24:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:45,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-15 22:24:45,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:45,727 INFO L225 Difference]: With dead ends: 41008 [2022-10-15 22:24:45,728 INFO L226 Difference]: Without dead ends: 28583 [2022-10-15 22:24:45,746 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 [2022-10-15 22:24:45,747 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 307 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:45,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1482 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28583 states. [2022-10-15 22:24:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28583 to 28545. [2022-10-15 22:24:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28545 states, 28507 states have (on average 1.655944154067422) internal successors, (47206), 28544 states have internal predecessors, (47206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:47,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28545 states to 28545 states and 47206 transitions. [2022-10-15 22:24:47,708 INFO L78 Accepts]: Start accepts. Automaton has 28545 states and 47206 transitions. Word has length 132 [2022-10-15 22:24:47,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:47,708 INFO L495 AbstractCegarLoop]: Abstraction has 28545 states and 47206 transitions. [2022-10-15 22:24:47,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 28545 states and 47206 transitions. [2022-10-15 22:24:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 22:24:47,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:47,712 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] [2022-10-15 22:24:47,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:24:47,713 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:47,714 INFO L85 PathProgramCache]: Analyzing trace with hash -498305312, now seen corresponding path program 1 times [2022-10-15 22:24:47,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:47,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402676678] [2022-10-15 22:24:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:47,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:47,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:47,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402676678] [2022-10-15 22:24:47,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402676678] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:47,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:47,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:47,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680291502] [2022-10-15 22:24:47,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:47,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:47,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:47,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:47,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:47,846 INFO L87 Difference]: Start difference. First operand 28545 states and 47206 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:51,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:51,233 INFO L93 Difference]: Finished difference Result 61669 states and 102736 transitions. [2022-10-15 22:24:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:51,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-15 22:24:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:51,376 INFO L225 Difference]: With dead ends: 61669 [2022-10-15 22:24:51,376 INFO L226 Difference]: Without dead ends: 43307 [2022-10-15 22:24:51,427 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 [2022-10-15 22:24:51,428 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 314 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:51,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1503 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43307 states. [2022-10-15 22:24:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43307 to 43269. [2022-10-15 22:24:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43269 states, 43231 states have (on average 1.6623719090467488) internal successors, (71866), 43268 states have internal predecessors, (71866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43269 states to 43269 states and 71866 transitions. [2022-10-15 22:24:55,196 INFO L78 Accepts]: Start accepts. Automaton has 43269 states and 71866 transitions. Word has length 132 [2022-10-15 22:24:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:55,197 INFO L495 AbstractCegarLoop]: Abstraction has 43269 states and 71866 transitions. [2022-10-15 22:24:55,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 43269 states and 71866 transitions. [2022-10-15 22:24:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-15 22:24:55,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:55,205 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] [2022-10-15 22:24:55,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:24:55,205 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:24:55,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:55,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1276253214, now seen corresponding path program 1 times [2022-10-15 22:24:55,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:55,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746988381] [2022-10-15 22:24:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:55,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:55,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746988381] [2022-10-15 22:24:55,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746988381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:55,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:55,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:55,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905259657] [2022-10-15 22:24:55,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:55,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:55,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:55,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:55,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:55,360 INFO L87 Difference]: Start difference. First operand 43269 states and 71866 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:00,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:00,276 INFO L93 Difference]: Finished difference Result 94969 states and 157711 transitions. [2022-10-15 22:25:00,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:00,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-15 22:25:00,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:00,489 INFO L225 Difference]: With dead ends: 94969 [2022-10-15 22:25:00,489 INFO L226 Difference]: Without dead ends: 66011 [2022-10-15 22:25:00,553 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 [2022-10-15 22:25:00,554 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 300 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:00,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1467 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:00,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66011 states. [2022-10-15 22:25:05,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66011 to 65973. [2022-10-15 22:25:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65973 states, 65935 states have (on average 1.6594828239933268) internal successors, (109418), 65972 states have internal predecessors, (109418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65973 states to 65973 states and 109418 transitions. [2022-10-15 22:25:06,259 INFO L78 Accepts]: Start accepts. Automaton has 65973 states and 109418 transitions. Word has length 134 [2022-10-15 22:25:06,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:06,259 INFO L495 AbstractCegarLoop]: Abstraction has 65973 states and 109418 transitions. [2022-10-15 22:25:06,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 65973 states and 109418 transitions. [2022-10-15 22:25:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-15 22:25:06,261 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:06,266 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] [2022-10-15 22:25:06,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:25:06,266 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:25:06,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:06,267 INFO L85 PathProgramCache]: Analyzing trace with hash 212865083, now seen corresponding path program 1 times [2022-10-15 22:25:06,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:06,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589448776] [2022-10-15 22:25:06,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:06,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:06,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:06,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589448776] [2022-10-15 22:25:06,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589448776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:06,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:06,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:06,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758724824] [2022-10-15 22:25:06,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:06,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:25:06,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:06,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:25:06,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:25:06,504 INFO L87 Difference]: Start difference. First operand 65973 states and 109418 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)