/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_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:34:50,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:34:50,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:34:50,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:34:50,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:34:50,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:34:50,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:34:50,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:34:50,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:34:50,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:34:50,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:34:50,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:34:50,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:34:50,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:34:50,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:34:50,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:34:50,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:34:50,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:34:50,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:34:50,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:34:50,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:34:50,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:34:50,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:34:50,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:34:50,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:34:50,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:34:50,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:34:50,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:34:50,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:34:50,164 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:34:50,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:34:50,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:34:50,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:34:50,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:34:50,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:34:50,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:34:50,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:34:50,170 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:34:50,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:34:50,172 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:34:50,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:34:50,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:34:50,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:34:50,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:34:50,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:34:50,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:34:50,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:34:50,174 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:34:50,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:34:50,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:34:50,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:34:50,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:34:50,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:34:50,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:34:50,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:34:50,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:34:50,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:34:50,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:34:50,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:34:50,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:34:50,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:34:50,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:34:50,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:34:50,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:34:50,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:34:50,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:34:50,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:34:50,622 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:34:50,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c [2022-10-16 16:34:50,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ce73219/bf5f22e8750f429280e9fde75fa6a1e1/FLAG362cc6d06 [2022-10-16 16:34:51,374 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:34:51,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c [2022-10-16 16:34:51,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ce73219/bf5f22e8750f429280e9fde75fa6a1e1/FLAG362cc6d06 [2022-10-16 16:34:51,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ce73219/bf5f22e8750f429280e9fde75fa6a1e1 [2022-10-16 16:34:51,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:34:51,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:34:51,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:34:51,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:34:51,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:34:51,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:34:51" (1/1) ... [2022-10-16 16:34:51,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23debd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:51, skipping insertion in model container [2022-10-16 16:34:51,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:34:51" (1/1) ... [2022-10-16 16:34:51,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:34:51,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:34:52,103 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_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c[10527,10540] [2022-10-16 16:34:52,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:34:52,189 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:34:52,263 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_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c[10527,10540] [2022-10-16 16:34:52,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:34:52,334 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:34:52,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52 WrapperNode [2022-10-16 16:34:52,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:34:52,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:34:52,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:34:52,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:34:52,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,441 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 911 [2022-10-16 16:34:52,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:34:52,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:34:52,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:34:52,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:34:52,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:34:52,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:34:52,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:34:52,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:34:52,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (1/1) ... [2022-10-16 16:34:52,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:34:52,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:34:52,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:34:52,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:34:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:34:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:34:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:34:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:34:52,761 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:34:52,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:34:54,026 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:34:54,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:34:54,042 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:34:54,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:34:54 BoogieIcfgContainer [2022-10-16 16:34:54,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:34:54,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:34:54,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:34:54,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:34:54,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:34:51" (1/3) ... [2022-10-16 16:34:54,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3a551b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:34:54, skipping insertion in model container [2022-10-16 16:34:54,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:52" (2/3) ... [2022-10-16 16:34:54,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3a551b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:34:54, skipping insertion in model container [2022-10-16 16:34:54,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:34:54" (3/3) ... [2022-10-16 16:34:54,058 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+nlh-reducer.c [2022-10-16 16:34:54,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:34:54,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2022-10-16 16:34:54,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:34:54,213 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;@ab47f14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:34:54,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-10-16 16:34:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 267 states have (on average 1.8239700374531835) internal successors, (487), 335 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:34:54,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:54,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:34:54,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:34:54,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:54,254 INFO L85 PathProgramCache]: Analyzing trace with hash -91882380, now seen corresponding path program 1 times [2022-10-16 16:34:54,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:54,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712670865] [2022-10-16 16:34:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:55,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:55,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712670865] [2022-10-16 16:34:55,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712670865] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:55,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:55,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:34:55,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178884752] [2022-10-16 16:34:55,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:55,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:34:55,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:55,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:34:55,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:34:55,081 INFO L87 Difference]: Start difference. First operand has 336 states, 267 states have (on average 1.8239700374531835) internal successors, (487), 335 states have internal predecessors, (487), 0 states have call successors, (0), 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 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:55,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:55,579 INFO L93 Difference]: Finished difference Result 707 states and 992 transitions. [2022-10-16 16:34:55,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:34:55,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:34:55,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:55,601 INFO L225 Difference]: With dead ends: 707 [2022-10-16 16:34:55,602 INFO L226 Difference]: Without dead ends: 690 [2022-10-16 16:34:55,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:55,610 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 1106 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:55,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 727 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:34:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-10-16 16:34:55,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 476. [2022-10-16 16:34:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 410 states have (on average 1.578048780487805) internal successors, (647), 475 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 647 transitions. [2022-10-16 16:34:55,704 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 647 transitions. Word has length 76 [2022-10-16 16:34:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:55,705 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 647 transitions. [2022-10-16 16:34:55,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 647 transitions. [2022-10-16 16:34:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:34:55,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:55,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:34:55,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:34:55,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:34:55,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:55,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1446613799, now seen corresponding path program 1 times [2022-10-16 16:34:55,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:55,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235656154] [2022-10-16 16:34:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:55,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:55,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235656154] [2022-10-16 16:34:55,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235656154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:55,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:55,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:34:55,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248751298] [2022-10-16 16:34:55,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:55,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:34:55,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:55,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:34:55,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:34:55,974 INFO L87 Difference]: Start difference. First operand 476 states and 647 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:56,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:56,274 INFO L93 Difference]: Finished difference Result 653 states and 886 transitions. [2022-10-16 16:34:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:34:56,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:34:56,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:56,279 INFO L225 Difference]: With dead ends: 653 [2022-10-16 16:34:56,279 INFO L226 Difference]: Without dead ends: 648 [2022-10-16 16:34:56,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:56,282 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 952 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:56,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 450 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:34:56,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2022-10-16 16:34:56,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 614. [2022-10-16 16:34:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 550 states have (on average 1.5963636363636364) internal successors, (878), 613 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 878 transitions. [2022-10-16 16:34:56,319 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 878 transitions. Word has length 77 [2022-10-16 16:34:56,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:56,320 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 878 transitions. [2022-10-16 16:34:56,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:56,320 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 878 transitions. [2022-10-16 16:34:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:34:56,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:56,323 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] [2022-10-16 16:34:56,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:34:56,324 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:34:56,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1895355094, now seen corresponding path program 1 times [2022-10-16 16:34:56,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:56,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187474077] [2022-10-16 16:34:56,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:56,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:56,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:56,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187474077] [2022-10-16 16:34:56,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187474077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:56,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:56,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:34:56,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639011849] [2022-10-16 16:34:56,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:56,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:34:56,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:56,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:34:56,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:56,524 INFO L87 Difference]: Start difference. First operand 614 states and 878 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:56,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:56,975 INFO L93 Difference]: Finished difference Result 991 states and 1339 transitions. [2022-10-16 16:34:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:34:56,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:34:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:56,982 INFO L225 Difference]: With dead ends: 991 [2022-10-16 16:34:56,982 INFO L226 Difference]: Without dead ends: 986 [2022-10-16 16:34:56,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:34:56,985 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1743 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:56,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 794 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:34:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2022-10-16 16:34:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 747. [2022-10-16 16:34:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 685 states have (on average 1.602919708029197) internal successors, (1098), 746 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1098 transitions. [2022-10-16 16:34:57,030 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1098 transitions. Word has length 78 [2022-10-16 16:34:57,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:57,031 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 1098 transitions. [2022-10-16 16:34:57,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1098 transitions. [2022-10-16 16:34:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:34:57,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:57,033 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] [2022-10-16 16:34:57,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:34:57,034 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:34:57,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1373533943, now seen corresponding path program 1 times [2022-10-16 16:34:57,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:57,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982088250] [2022-10-16 16:34:57,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:57,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:57,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982088250] [2022-10-16 16:34:57,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982088250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:57,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:57,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:34:57,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985701673] [2022-10-16 16:34:57,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:57,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:34:57,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:57,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:34:57,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:34:57,309 INFO L87 Difference]: Start difference. First operand 747 states and 1098 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:57,707 INFO L93 Difference]: Finished difference Result 950 states and 1326 transitions. [2022-10-16 16:34:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:34:57,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 16:34:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:57,714 INFO L225 Difference]: With dead ends: 950 [2022-10-16 16:34:57,714 INFO L226 Difference]: Without dead ends: 945 [2022-10-16 16:34:57,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:34:57,717 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1771 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:57,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 623 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:34:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2022-10-16 16:34:57,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 880. [2022-10-16 16:34:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 820 states have (on average 1.603658536585366) internal successors, (1315), 879 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1315 transitions. [2022-10-16 16:34:57,775 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1315 transitions. Word has length 79 [2022-10-16 16:34:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:57,776 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1315 transitions. [2022-10-16 16:34:57,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1315 transitions. [2022-10-16 16:34:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:34:57,778 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:57,778 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] [2022-10-16 16:34:57,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:34:57,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:34:57,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash 370121016, now seen corresponding path program 1 times [2022-10-16 16:34:57,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:57,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129405326] [2022-10-16 16:34:57,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:57,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:57,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129405326] [2022-10-16 16:34:57,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129405326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:57,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:57,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:34:57,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959530139] [2022-10-16 16:34:57,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:57,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:34:57,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:57,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:34:57,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:34:57,992 INFO L87 Difference]: Start difference. First operand 880 states and 1315 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:58,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:58,591 INFO L93 Difference]: Finished difference Result 1406 states and 1987 transitions. [2022-10-16 16:34:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:34:58,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:34:58,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:58,600 INFO L225 Difference]: With dead ends: 1406 [2022-10-16 16:34:58,601 INFO L226 Difference]: Without dead ends: 1401 [2022-10-16 16:34:58,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:34:58,604 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 2269 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:58,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 1108 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:34:58,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2022-10-16 16:34:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1008. [2022-10-16 16:34:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 950 states have (on average 1.6010526315789473) internal successors, (1521), 1007 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1521 transitions. [2022-10-16 16:34:58,673 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1521 transitions. Word has length 80 [2022-10-16 16:34:58,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:58,674 INFO L495 AbstractCegarLoop]: Abstraction has 1008 states and 1521 transitions. [2022-10-16 16:34:58,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1521 transitions. [2022-10-16 16:34:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:34:58,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:58,676 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] [2022-10-16 16:34:58,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:34:58,676 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:34:58,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:58,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1411150101, now seen corresponding path program 1 times [2022-10-16 16:34:58,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:58,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593517719] [2022-10-16 16:34:58,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:58,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:58,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:58,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593517719] [2022-10-16 16:34:58,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593517719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:58,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:58,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:34:58,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28860538] [2022-10-16 16:34:58,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:58,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:34:58,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:58,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:34:58,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:34:58,867 INFO L87 Difference]: Start difference. First operand 1008 states and 1521 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:59,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:59,456 INFO L93 Difference]: Finished difference Result 1364 states and 1952 transitions. [2022-10-16 16:34:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:34:59,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:34:59,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:59,466 INFO L225 Difference]: With dead ends: 1364 [2022-10-16 16:34:59,466 INFO L226 Difference]: Without dead ends: 1359 [2022-10-16 16:34:59,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:34:59,469 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 2747 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2747 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:59,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2747 Valid, 796 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:34:59,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2022-10-16 16:34:59,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1266. [2022-10-16 16:34:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1210 states have (on average 1.6016528925619835) internal successors, (1938), 1265 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1938 transitions. [2022-10-16 16:34:59,566 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1938 transitions. Word has length 81 [2022-10-16 16:34:59,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:59,567 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1938 transitions. [2022-10-16 16:34:59,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1938 transitions. [2022-10-16 16:34:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:34:59,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:59,569 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] [2022-10-16 16:34:59,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:34:59,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:34:59,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:59,570 INFO L85 PathProgramCache]: Analyzing trace with hash -795979878, now seen corresponding path program 1 times [2022-10-16 16:34:59,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:59,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533928991] [2022-10-16 16:34:59,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:59,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:59,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:59,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533928991] [2022-10-16 16:34:59,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533928991] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:59,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:59,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:34:59,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731958884] [2022-10-16 16:34:59,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:59,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:34:59,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:59,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:34:59,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:34:59,803 INFO L87 Difference]: Start difference. First operand 1266 states and 1938 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:00,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:00,587 INFO L93 Difference]: Finished difference Result 1930 states and 2810 transitions. [2022-10-16 16:35:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:35:00,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 16:35:00,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:00,599 INFO L225 Difference]: With dead ends: 1930 [2022-10-16 16:35:00,599 INFO L226 Difference]: Without dead ends: 1925 [2022-10-16 16:35:00,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:35:00,602 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 2951 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2951 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:00,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2951 Valid, 1421 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:35:00,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2022-10-16 16:35:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1389. [2022-10-16 16:35:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1335 states have (on average 1.595505617977528) internal successors, (2130), 1388 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 2130 transitions. [2022-10-16 16:35:00,704 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 2130 transitions. Word has length 82 [2022-10-16 16:35:00,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:00,704 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 2130 transitions. [2022-10-16 16:35:00,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2130 transitions. [2022-10-16 16:35:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:35:00,705 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:00,706 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] [2022-10-16 16:35:00,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:35:00,706 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:00,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1094427853, now seen corresponding path program 1 times [2022-10-16 16:35:00,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:00,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287334460] [2022-10-16 16:35:00,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:00,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:00,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:00,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:00,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287334460] [2022-10-16 16:35:00,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287334460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:00,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:00,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:35:00,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545249284] [2022-10-16 16:35:00,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:00,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:35:00,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:00,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:35:00,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:00,939 INFO L87 Difference]: Start difference. First operand 1389 states and 2130 transitions. Second operand has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:01,748 INFO L93 Difference]: Finished difference Result 1885 states and 2739 transitions. [2022-10-16 16:35:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:35:01,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 16:35:01,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:01,759 INFO L225 Difference]: With dead ends: 1885 [2022-10-16 16:35:01,759 INFO L226 Difference]: Without dead ends: 1880 [2022-10-16 16:35:01,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:35:01,763 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 3253 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3253 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:01,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3253 Valid, 1109 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:35:01,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2022-10-16 16:35:01,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1762. [2022-10-16 16:35:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1710 states have (on average 1.591812865497076) internal successors, (2722), 1761 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2722 transitions. [2022-10-16 16:35:01,909 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2722 transitions. Word has length 83 [2022-10-16 16:35:01,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:01,910 INFO L495 AbstractCegarLoop]: Abstraction has 1762 states and 2722 transitions. [2022-10-16 16:35:01,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2722 transitions. [2022-10-16 16:35:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:35:01,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:01,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:01,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:35:01,921 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:01,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:01,922 INFO L85 PathProgramCache]: Analyzing trace with hash -432474628, now seen corresponding path program 1 times [2022-10-16 16:35:01,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:01,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180538755] [2022-10-16 16:35:01,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:01,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:02,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:02,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180538755] [2022-10-16 16:35:02,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180538755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:02,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:02,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:35:02,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709524640] [2022-10-16 16:35:02,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:02,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:35:02,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:02,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:35:02,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:35:02,202 INFO L87 Difference]: Start difference. First operand 1762 states and 2722 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:03,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:03,313 INFO L93 Difference]: Finished difference Result 2553 states and 3783 transitions. [2022-10-16 16:35:03,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:35:03,314 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:35:03,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:03,327 INFO L225 Difference]: With dead ends: 2553 [2022-10-16 16:35:03,327 INFO L226 Difference]: Without dead ends: 2548 [2022-10-16 16:35:03,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:35:03,332 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 3395 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:03,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 1856 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:35:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2022-10-16 16:35:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 1880. [2022-10-16 16:35:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1880 states, 1830 states have (on average 1.5846994535519126) internal successors, (2900), 1879 states have internal predecessors, (2900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2900 transitions. [2022-10-16 16:35:03,500 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2900 transitions. Word has length 84 [2022-10-16 16:35:03,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:03,500 INFO L495 AbstractCegarLoop]: Abstraction has 1880 states and 2900 transitions. [2022-10-16 16:35:03,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2900 transitions. [2022-10-16 16:35:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:35:03,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:03,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:03,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:35:03,506 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:03,507 INFO L85 PathProgramCache]: Analyzing trace with hash -521811281, now seen corresponding path program 1 times [2022-10-16 16:35:03,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:03,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591607226] [2022-10-16 16:35:03,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:03,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:03,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:03,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591607226] [2022-10-16 16:35:03,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591607226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:03,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:03,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:35:03,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302829032] [2022-10-16 16:35:03,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:03,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:35:03,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:03,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:35:03,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:35:03,729 INFO L87 Difference]: Start difference. First operand 1880 states and 2900 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:04,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:04,782 INFO L93 Difference]: Finished difference Result 2503 states and 3662 transitions. [2022-10-16 16:35:04,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 16:35:04,782 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:35:04,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:04,796 INFO L225 Difference]: With dead ends: 2503 [2022-10-16 16:35:04,796 INFO L226 Difference]: Without dead ends: 2498 [2022-10-16 16:35:04,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:35:04,799 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 3905 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3905 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:04,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3905 Valid, 1421 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:35:04,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2022-10-16 16:35:05,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2358. [2022-10-16 16:35:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2358 states, 2310 states have (on average 1.5766233766233766) internal successors, (3642), 2357 states have internal predecessors, (3642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:05,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 3642 transitions. [2022-10-16 16:35:05,029 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 3642 transitions. Word has length 85 [2022-10-16 16:35:05,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:05,030 INFO L495 AbstractCegarLoop]: Abstraction has 2358 states and 3642 transitions. [2022-10-16 16:35:05,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 3642 transitions. [2022-10-16 16:35:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:35:05,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:05,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:05,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:35:05,031 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:05,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1003719774, now seen corresponding path program 1 times [2022-10-16 16:35:05,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:05,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293820355] [2022-10-16 16:35:05,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:05,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:05,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293820355] [2022-10-16 16:35:05,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293820355] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:05,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:05,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:35:05,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009416056] [2022-10-16 16:35:05,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:05,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:35:05,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:05,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:35:05,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:05,244 INFO L87 Difference]: Start difference. First operand 2358 states and 3642 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:07,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:07,616 INFO L93 Difference]: Finished difference Result 7957 states and 12191 transitions. [2022-10-16 16:35:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 16:35:07,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:35:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:07,646 INFO L225 Difference]: With dead ends: 7957 [2022-10-16 16:35:07,646 INFO L226 Difference]: Without dead ends: 5892 [2022-10-16 16:35:07,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=444, Invalid=1536, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 16:35:07,655 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 3732 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 4077 SdHoareTripleChecker+Invalid, 1999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:07,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 4077 Invalid, 1999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:35:07,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2022-10-16 16:35:08,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 4379. [2022-10-16 16:35:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4379 states, 4333 states have (on average 1.5698130625432725) internal successors, (6802), 4378 states have internal predecessors, (6802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 4379 states and 6802 transitions. [2022-10-16 16:35:08,116 INFO L78 Accepts]: Start accepts. Automaton has 4379 states and 6802 transitions. Word has length 86 [2022-10-16 16:35:08,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:08,117 INFO L495 AbstractCegarLoop]: Abstraction has 4379 states and 6802 transitions. [2022-10-16 16:35:08,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 6802 transitions. [2022-10-16 16:35:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:35:08,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:08,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:08,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:35:08,119 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:08,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1050542225, now seen corresponding path program 1 times [2022-10-16 16:35:08,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:08,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551328855] [2022-10-16 16:35:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:08,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:08,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:08,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551328855] [2022-10-16 16:35:08,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551328855] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:08,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:08,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:35:08,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202388730] [2022-10-16 16:35:08,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:08,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:35:08,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:08,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:35:08,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:08,386 INFO L87 Difference]: Start difference. First operand 4379 states and 6802 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:10,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:10,692 INFO L93 Difference]: Finished difference Result 6570 states and 9873 transitions. [2022-10-16 16:35:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 16:35:10,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:35:10,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:10,744 INFO L225 Difference]: With dead ends: 6570 [2022-10-16 16:35:10,744 INFO L226 Difference]: Without dead ends: 6565 [2022-10-16 16:35:10,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1171, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 16:35:10,748 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 5129 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5129 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:10,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5129 Valid, 2264 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:35:10,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6565 states. [2022-10-16 16:35:11,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6281. [2022-10-16 16:35:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6281 states, 6237 states have (on average 1.566297899631233) internal successors, (9769), 6280 states have internal predecessors, (9769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 9769 transitions. [2022-10-16 16:35:11,368 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 9769 transitions. Word has length 87 [2022-10-16 16:35:11,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:11,369 INFO L495 AbstractCegarLoop]: Abstraction has 6281 states and 9769 transitions. [2022-10-16 16:35:11,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 9769 transitions. [2022-10-16 16:35:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:35:11,371 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:11,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:11,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:35:11,371 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:11,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:11,372 INFO L85 PathProgramCache]: Analyzing trace with hash -18149337, now seen corresponding path program 1 times [2022-10-16 16:35:11,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:11,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358833850] [2022-10-16 16:35:11,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:11,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:11,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:11,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358833850] [2022-10-16 16:35:11,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358833850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:11,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:11,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:35:11,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795131801] [2022-10-16 16:35:11,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:11,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:11,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:11,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:11,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:11,499 INFO L87 Difference]: Start difference. First operand 6281 states and 9769 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:12,157 INFO L93 Difference]: Finished difference Result 6281 states and 9769 transitions. [2022-10-16 16:35:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:12,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 16:35:12,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:12,174 INFO L225 Difference]: With dead ends: 6281 [2022-10-16 16:35:12,174 INFO L226 Difference]: Without dead ends: 6279 [2022-10-16 16:35:12,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:12,177 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 15 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:12,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 677 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:12,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6279 states. [2022-10-16 16:35:12,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6279 to 6279. [2022-10-16 16:35:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6279 states, 6237 states have (on average 1.5659772326438992) internal successors, (9767), 6278 states have internal predecessors, (9767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6279 states to 6279 states and 9767 transitions. [2022-10-16 16:35:12,898 INFO L78 Accepts]: Start accepts. Automaton has 6279 states and 9767 transitions. Word has length 105 [2022-10-16 16:35:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:12,898 INFO L495 AbstractCegarLoop]: Abstraction has 6279 states and 9767 transitions. [2022-10-16 16:35:12,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6279 states and 9767 transitions. [2022-10-16 16:35:12,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:35:12,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:12,904 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] [2022-10-16 16:35:12,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:35:12,904 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:12,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:12,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1974278188, now seen corresponding path program 1 times [2022-10-16 16:35:12,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:12,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541268643] [2022-10-16 16:35:12,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:13,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:13,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541268643] [2022-10-16 16:35:13,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541268643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:13,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:13,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:35:13,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082818697] [2022-10-16 16:35:13,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:13,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:13,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:13,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:13,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:13,051 INFO L87 Difference]: Start difference. First operand 6279 states and 9767 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:13,524 INFO L93 Difference]: Finished difference Result 6279 states and 9767 transitions. [2022-10-16 16:35:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:13,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:35:13,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:13,540 INFO L225 Difference]: With dead ends: 6279 [2022-10-16 16:35:13,540 INFO L226 Difference]: Without dead ends: 6277 [2022-10-16 16:35:13,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:13,544 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 267 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:13,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 364 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6277 states. [2022-10-16 16:35:14,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6277 to 6277. [2022-10-16 16:35:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 6237 states have (on average 1.5578002244668911) internal successors, (9716), 6276 states have internal predecessors, (9716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 9716 transitions. [2022-10-16 16:35:14,166 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 9716 transitions. Word has length 109 [2022-10-16 16:35:14,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:14,167 INFO L495 AbstractCegarLoop]: Abstraction has 6277 states and 9716 transitions. [2022-10-16 16:35:14,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 9716 transitions. [2022-10-16 16:35:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:35:14,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:14,169 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] [2022-10-16 16:35:14,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:35:14,169 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:14,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1073082044, now seen corresponding path program 1 times [2022-10-16 16:35:14,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:14,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045599993] [2022-10-16 16:35:14,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:14,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:14,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:14,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045599993] [2022-10-16 16:35:14,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045599993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:14,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:14,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:35:14,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352348518] [2022-10-16 16:35:14,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:14,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:14,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:14,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:14,303 INFO L87 Difference]: Start difference. First operand 6277 states and 9716 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:14,850 INFO L93 Difference]: Finished difference Result 6277 states and 9716 transitions. [2022-10-16 16:35:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:14,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:35:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:14,864 INFO L225 Difference]: With dead ends: 6277 [2022-10-16 16:35:14,865 INFO L226 Difference]: Without dead ends: 6275 [2022-10-16 16:35:14,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:14,869 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 264 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:14,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 364 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:14,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6275 states. [2022-10-16 16:35:15,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6275 to 6275. [2022-10-16 16:35:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6275 states, 6237 states have (on average 1.5496232162898829) internal successors, (9665), 6274 states have internal predecessors, (9665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6275 states to 6275 states and 9665 transitions. [2022-10-16 16:35:15,402 INFO L78 Accepts]: Start accepts. Automaton has 6275 states and 9665 transitions. Word has length 110 [2022-10-16 16:35:15,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:15,402 INFO L495 AbstractCegarLoop]: Abstraction has 6275 states and 9665 transitions. [2022-10-16 16:35:15,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6275 states and 9665 transitions. [2022-10-16 16:35:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:35:15,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:15,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:15,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:35:15,406 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:15,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:15,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1759518932, now seen corresponding path program 1 times [2022-10-16 16:35:15,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:15,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644956349] [2022-10-16 16:35:15,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:15,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:15,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:15,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644956349] [2022-10-16 16:35:15,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644956349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:15,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:15,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:15,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792923134] [2022-10-16 16:35:15,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:15,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:15,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:15,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:15,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:15,606 INFO L87 Difference]: Start difference. First operand 6275 states and 9665 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:16,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:16,485 INFO L93 Difference]: Finished difference Result 8179 states and 12620 transitions. [2022-10-16 16:35:16,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:16,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 16:35:16,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:16,504 INFO L225 Difference]: With dead ends: 8179 [2022-10-16 16:35:16,504 INFO L226 Difference]: Without dead ends: 8176 [2022-10-16 16:35:16,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:16,508 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 463 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:16,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 865 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:35:16,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8176 states. [2022-10-16 16:35:17,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8176 to 6653. [2022-10-16 16:35:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6653 states, 6615 states have (on average 1.5541950113378684) internal successors, (10281), 6652 states have internal predecessors, (10281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6653 states to 6653 states and 10281 transitions. [2022-10-16 16:35:17,134 INFO L78 Accepts]: Start accepts. Automaton has 6653 states and 10281 transitions. Word has length 135 [2022-10-16 16:35:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:17,134 INFO L495 AbstractCegarLoop]: Abstraction has 6653 states and 10281 transitions. [2022-10-16 16:35:17,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6653 states and 10281 transitions. [2022-10-16 16:35:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:35:17,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:17,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:17,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:35:17,147 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:17,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:17,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1180670196, now seen corresponding path program 1 times [2022-10-16 16:35:17,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:17,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456108165] [2022-10-16 16:35:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:17,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:17,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:17,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456108165] [2022-10-16 16:35:17,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456108165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:17,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:17,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:17,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766599042] [2022-10-16 16:35:17,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:17,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:17,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:17,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:17,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:17,342 INFO L87 Difference]: Start difference. First operand 6653 states and 10281 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:18,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:18,266 INFO L93 Difference]: Finished difference Result 8539 states and 13176 transitions. [2022-10-16 16:35:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:18,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 16:35:18,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:18,282 INFO L225 Difference]: With dead ends: 8539 [2022-10-16 16:35:18,283 INFO L226 Difference]: Without dead ends: 8536 [2022-10-16 16:35:18,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:18,287 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 469 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:18,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 871 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:35:18,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8536 states. [2022-10-16 16:35:19,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8536 to 8472. [2022-10-16 16:35:19,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8472 states, 8434 states have (on average 1.561180934313493) internal successors, (13167), 8471 states have internal predecessors, (13167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8472 states to 8472 states and 13167 transitions. [2022-10-16 16:35:19,213 INFO L78 Accepts]: Start accepts. Automaton has 8472 states and 13167 transitions. Word has length 135 [2022-10-16 16:35:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:19,214 INFO L495 AbstractCegarLoop]: Abstraction has 8472 states and 13167 transitions. [2022-10-16 16:35:19,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 8472 states and 13167 transitions. [2022-10-16 16:35:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:35:19,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:19,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:19,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:35:19,218 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:19,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:19,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2053929146, now seen corresponding path program 1 times [2022-10-16 16:35:19,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:19,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661577147] [2022-10-16 16:35:19,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:19,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:19,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:19,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:19,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661577147] [2022-10-16 16:35:19,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661577147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:19,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:19,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:19,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936028895] [2022-10-16 16:35:19,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:19,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:19,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:19,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:19,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:19,437 INFO L87 Difference]: Start difference. First operand 8472 states and 13167 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:20,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:20,380 INFO L93 Difference]: Finished difference Result 8504 states and 13167 transitions. [2022-10-16 16:35:20,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:20,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:35:20,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:20,396 INFO L225 Difference]: With dead ends: 8504 [2022-10-16 16:35:20,397 INFO L226 Difference]: Without dead ends: 8501 [2022-10-16 16:35:20,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:20,402 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 475 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:20,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 702 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:35:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8501 states. [2022-10-16 16:35:21,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8501 to 8469. [2022-10-16 16:35:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8469 states, 8434 states have (on average 1.5590467156746501) internal successors, (13149), 8468 states have internal predecessors, (13149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8469 states to 8469 states and 13149 transitions. [2022-10-16 16:35:21,274 INFO L78 Accepts]: Start accepts. Automaton has 8469 states and 13149 transitions. Word has length 136 [2022-10-16 16:35:21,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:21,275 INFO L495 AbstractCegarLoop]: Abstraction has 8469 states and 13149 transitions. [2022-10-16 16:35:21,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8469 states and 13149 transitions. [2022-10-16 16:35:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:35:21,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:21,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:21,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:35:21,277 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:21,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash 443609378, now seen corresponding path program 1 times [2022-10-16 16:35:21,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:21,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425913566] [2022-10-16 16:35:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:21,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:21,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425913566] [2022-10-16 16:35:21,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425913566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:21,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:21,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:21,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588905366] [2022-10-16 16:35:21,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:21,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:21,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:21,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:21,482 INFO L87 Difference]: Start difference. First operand 8469 states and 13149 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:22,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:22,459 INFO L93 Difference]: Finished difference Result 8553 states and 13149 transitions. [2022-10-16 16:35:22,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:22,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-10-16 16:35:22,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:22,471 INFO L225 Difference]: With dead ends: 8553 [2022-10-16 16:35:22,471 INFO L226 Difference]: Without dead ends: 8550 [2022-10-16 16:35:22,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:22,474 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 1144 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:22,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 917 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8550 states. [2022-10-16 16:35:23,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8550 to 7380. [2022-10-16 16:35:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7380 states, 7345 states have (on average 1.5582028590878148) internal successors, (11445), 7379 states have internal predecessors, (11445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7380 states to 7380 states and 11445 transitions. [2022-10-16 16:35:23,186 INFO L78 Accepts]: Start accepts. Automaton has 7380 states and 11445 transitions. Word has length 137 [2022-10-16 16:35:23,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:23,187 INFO L495 AbstractCegarLoop]: Abstraction has 7380 states and 11445 transitions. [2022-10-16 16:35:23,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7380 states and 11445 transitions. [2022-10-16 16:35:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:35:23,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:23,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:23,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:35:23,190 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:23,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1319406826, now seen corresponding path program 1 times [2022-10-16 16:35:23,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:23,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786154182] [2022-10-16 16:35:23,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:23,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:23,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:23,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786154182] [2022-10-16 16:35:23,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786154182] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:23,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:23,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:23,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894316060] [2022-10-16 16:35:23,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:23,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:23,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:23,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:23,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:23,376 INFO L87 Difference]: Start difference. First operand 7380 states and 11445 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:24,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:24,399 INFO L93 Difference]: Finished difference Result 8913 states and 13696 transitions. [2022-10-16 16:35:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:24,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-10-16 16:35:24,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:24,408 INFO L225 Difference]: With dead ends: 8913 [2022-10-16 16:35:24,408 INFO L226 Difference]: Without dead ends: 8910 [2022-10-16 16:35:24,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:24,411 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 895 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:24,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 1134 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:24,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8910 states. [2022-10-16 16:35:25,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8910 to 8826. [2022-10-16 16:35:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8826 states, 8791 states have (on average 1.5569332271641452) internal successors, (13687), 8825 states have internal predecessors, (13687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8826 states to 8826 states and 13687 transitions. [2022-10-16 16:35:25,288 INFO L78 Accepts]: Start accepts. Automaton has 8826 states and 13687 transitions. Word has length 137 [2022-10-16 16:35:25,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:25,288 INFO L495 AbstractCegarLoop]: Abstraction has 8826 states and 13687 transitions. [2022-10-16 16:35:25,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 8826 states and 13687 transitions. [2022-10-16 16:35:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:35:25,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:25,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:25,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:35:25,291 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:25,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:25,292 INFO L85 PathProgramCache]: Analyzing trace with hash 752706358, now seen corresponding path program 1 times [2022-10-16 16:35:25,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:25,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541192715] [2022-10-16 16:35:25,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:25,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:25,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:25,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541192715] [2022-10-16 16:35:25,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541192715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:25,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:25,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:25,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916805148] [2022-10-16 16:35:25,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:25,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:25,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:25,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:25,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:25,510 INFO L87 Difference]: Start difference. First operand 8826 states and 13687 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:26,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:26,468 INFO L93 Difference]: Finished difference Result 9286 states and 14295 transitions. [2022-10-16 16:35:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:26,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-10-16 16:35:26,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:26,482 INFO L225 Difference]: With dead ends: 9286 [2022-10-16 16:35:26,482 INFO L226 Difference]: Without dead ends: 9283 [2022-10-16 16:35:26,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:26,486 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 902 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:26,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 1133 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:26,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9283 states. [2022-10-16 16:35:27,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9283 to 9199. [2022-10-16 16:35:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9199 states, 9164 states have (on average 1.5589262330859885) internal successors, (14286), 9198 states have internal predecessors, (14286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9199 states to 9199 states and 14286 transitions. [2022-10-16 16:35:27,229 INFO L78 Accepts]: Start accepts. Automaton has 9199 states and 14286 transitions. Word has length 137 [2022-10-16 16:35:27,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:27,230 INFO L495 AbstractCegarLoop]: Abstraction has 9199 states and 14286 transitions. [2022-10-16 16:35:27,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 9199 states and 14286 transitions. [2022-10-16 16:35:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:35:27,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:27,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:27,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:35:27,233 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:27,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:27,233 INFO L85 PathProgramCache]: Analyzing trace with hash -403129255, now seen corresponding path program 1 times [2022-10-16 16:35:27,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:27,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021828916] [2022-10-16 16:35:27,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:27,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:27,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:27,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021828916] [2022-10-16 16:35:27,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021828916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:27,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:27,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759035962] [2022-10-16 16:35:27,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:27,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:27,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:27,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:27,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:27,389 INFO L87 Difference]: Start difference. First operand 9199 states and 14286 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:28,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:28,294 INFO L93 Difference]: Finished difference Result 9623 states and 14878 transitions. [2022-10-16 16:35:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:28,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-10-16 16:35:28,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:28,307 INFO L225 Difference]: With dead ends: 9623 [2022-10-16 16:35:28,307 INFO L226 Difference]: Without dead ends: 9620 [2022-10-16 16:35:28,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:28,311 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 448 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:28,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1125 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:35:28,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9620 states. [2022-10-16 16:35:29,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9620 to 9199. [2022-10-16 16:35:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9199 states, 9164 states have (on average 1.5540157136621562) internal successors, (14241), 9198 states have internal predecessors, (14241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9199 states to 9199 states and 14241 transitions. [2022-10-16 16:35:29,092 INFO L78 Accepts]: Start accepts. Automaton has 9199 states and 14241 transitions. Word has length 137 [2022-10-16 16:35:29,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:29,092 INFO L495 AbstractCegarLoop]: Abstraction has 9199 states and 14241 transitions. [2022-10-16 16:35:29,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9199 states and 14241 transitions. [2022-10-16 16:35:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:35:29,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:29,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:29,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:35:29,095 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:29,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:29,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2048061800, now seen corresponding path program 1 times [2022-10-16 16:35:29,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:29,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917850839] [2022-10-16 16:35:29,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:29,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:29,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917850839] [2022-10-16 16:35:29,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917850839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:29,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:29,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:29,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104665013] [2022-10-16 16:35:29,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:29,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:29,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:29,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:29,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:29,282 INFO L87 Difference]: Start difference. First operand 9199 states and 14241 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:30,478 INFO L93 Difference]: Finished difference Result 11765 states and 18241 transitions. [2022-10-16 16:35:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:30,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:35:30,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:30,490 INFO L225 Difference]: With dead ends: 11765 [2022-10-16 16:35:30,490 INFO L226 Difference]: Without dead ends: 11762 [2022-10-16 16:35:30,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:30,492 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 1055 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:30,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 857 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:30,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2022-10-16 16:35:31,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 10270. [2022-10-16 16:35:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10270 states, 10235 states have (on average 1.5605276013678553) internal successors, (15972), 10269 states have internal predecessors, (15972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10270 states to 10270 states and 15972 transitions. [2022-10-16 16:35:31,336 INFO L78 Accepts]: Start accepts. Automaton has 10270 states and 15972 transitions. Word has length 138 [2022-10-16 16:35:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:31,336 INFO L495 AbstractCegarLoop]: Abstraction has 10270 states and 15972 transitions. [2022-10-16 16:35:31,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 10270 states and 15972 transitions. [2022-10-16 16:35:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:35:31,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:31,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:31,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:35:31,339 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:31,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:31,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1859061064, now seen corresponding path program 1 times [2022-10-16 16:35:31,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:31,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267098632] [2022-10-16 16:35:31,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:31,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:31,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:31,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267098632] [2022-10-16 16:35:31,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267098632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:31,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:31,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:31,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535562563] [2022-10-16 16:35:31,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:31,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:31,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:31,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:31,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:31,527 INFO L87 Difference]: Start difference. First operand 10270 states and 15972 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:32,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:32,661 INFO L93 Difference]: Finished difference Result 11768 states and 18322 transitions. [2022-10-16 16:35:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:32,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:35:32,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:32,677 INFO L225 Difference]: With dead ends: 11768 [2022-10-16 16:35:32,677 INFO L226 Difference]: Without dead ends: 11765 [2022-10-16 16:35:32,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:32,680 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 1054 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:32,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1054 Valid, 861 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:35:32,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11765 states. [2022-10-16 16:35:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11765 to 11698. [2022-10-16 16:35:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11698 states, 11663 states have (on average 1.5670925147903627) internal successors, (18277), 11697 states have internal predecessors, (18277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11698 states to 11698 states and 18277 transitions. [2022-10-16 16:35:33,549 INFO L78 Accepts]: Start accepts. Automaton has 11698 states and 18277 transitions. Word has length 138 [2022-10-16 16:35:33,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:33,550 INFO L495 AbstractCegarLoop]: Abstraction has 11698 states and 18277 transitions. [2022-10-16 16:35:33,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:33,550 INFO L276 IsEmpty]: Start isEmpty. Operand 11698 states and 18277 transitions. [2022-10-16 16:35:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:35:33,552 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:33,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:33,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:35:33,552 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1106864228, now seen corresponding path program 1 times [2022-10-16 16:35:33,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:33,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592906226] [2022-10-16 16:35:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:33,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:33,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:33,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592906226] [2022-10-16 16:35:33,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592906226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:33,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:33,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:33,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288263605] [2022-10-16 16:35:33,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:33,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:33,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:33,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:33,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:33,765 INFO L87 Difference]: Start difference. First operand 11698 states and 18277 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:35,035 INFO L93 Difference]: Finished difference Result 12153 states and 18842 transitions. [2022-10-16 16:35:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:35,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:35:35,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:35,051 INFO L225 Difference]: With dead ends: 12153 [2022-10-16 16:35:35,051 INFO L226 Difference]: Without dead ends: 12150 [2022-10-16 16:35:35,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:35,056 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 2115 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2115 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:35,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2115 Valid, 1080 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12150 states. [2022-10-16 16:35:36,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12150 to 12055. [2022-10-16 16:35:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12055 states, 12020 states have (on average 1.5668053244592346) internal successors, (18833), 12054 states have internal predecessors, (18833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 18833 transitions. [2022-10-16 16:35:36,030 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 18833 transitions. Word has length 139 [2022-10-16 16:35:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:36,030 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 18833 transitions. [2022-10-16 16:35:36,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 18833 transitions. [2022-10-16 16:35:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:35:36,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:36,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:36,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:35:36,033 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:36,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1076988268, now seen corresponding path program 1 times [2022-10-16 16:35:36,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:36,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843546472] [2022-10-16 16:35:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:36,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:36,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:36,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843546472] [2022-10-16 16:35:36,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843546472] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:36,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:36,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:36,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541654118] [2022-10-16 16:35:36,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:36,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:36,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:36,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:36,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:36,232 INFO L87 Difference]: Start difference. First operand 12055 states and 18833 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:37,522 INFO L93 Difference]: Finished difference Result 12150 states and 18833 transitions. [2022-10-16 16:35:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:35:37,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:35:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:37,539 INFO L225 Difference]: With dead ends: 12150 [2022-10-16 16:35:37,539 INFO L226 Difference]: Without dead ends: 12147 [2022-10-16 16:35:37,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:37,543 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 1505 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:37,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 1390 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:35:37,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12147 states. [2022-10-16 16:35:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12147 to 12055. [2022-10-16 16:35:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12055 states, 12020 states have (on average 1.564559068219634) internal successors, (18806), 12054 states have internal predecessors, (18806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 18806 transitions. [2022-10-16 16:35:38,553 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 18806 transitions. Word has length 139 [2022-10-16 16:35:38,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:38,553 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 18806 transitions. [2022-10-16 16:35:38,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 18806 transitions. [2022-10-16 16:35:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:35:38,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:38,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:38,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:35:38,556 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:38,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1828038841, now seen corresponding path program 1 times [2022-10-16 16:35:38,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:38,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996325197] [2022-10-16 16:35:38,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:38,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:38,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:38,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996325197] [2022-10-16 16:35:38,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996325197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:38,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:38,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:38,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053727041] [2022-10-16 16:35:38,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:38,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:38,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:38,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:38,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:38,754 INFO L87 Difference]: Start difference. First operand 12055 states and 18806 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:40,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:40,115 INFO L93 Difference]: Finished difference Result 12496 states and 19380 transitions. [2022-10-16 16:35:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:40,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:35:40,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:40,129 INFO L225 Difference]: With dead ends: 12496 [2022-10-16 16:35:40,129 INFO L226 Difference]: Without dead ends: 12493 [2022-10-16 16:35:40,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:40,132 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 664 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:40,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 1176 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12493 states. [2022-10-16 16:35:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12493 to 12055. [2022-10-16 16:35:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12055 states, 12020 states have (on average 1.5615640599001663) internal successors, (18770), 12054 states have internal predecessors, (18770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 18770 transitions. [2022-10-16 16:35:41,015 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 18770 transitions. Word has length 139 [2022-10-16 16:35:41,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:41,015 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 18770 transitions. [2022-10-16 16:35:41,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 18770 transitions. [2022-10-16 16:35:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:35:41,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:41,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:41,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:35:41,017 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:41,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:41,018 INFO L85 PathProgramCache]: Analyzing trace with hash -934593192, now seen corresponding path program 1 times [2022-10-16 16:35:41,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:41,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378359242] [2022-10-16 16:35:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:41,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:41,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:41,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378359242] [2022-10-16 16:35:41,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378359242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:41,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:41,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:41,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458273870] [2022-10-16 16:35:41,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:41,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:41,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:41,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:41,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:41,219 INFO L87 Difference]: Start difference. First operand 12055 states and 18770 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:42,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:42,585 INFO L93 Difference]: Finished difference Result 12878 states and 19917 transitions. [2022-10-16 16:35:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:42,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:35:42,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:42,600 INFO L225 Difference]: With dead ends: 12878 [2022-10-16 16:35:42,601 INFO L226 Difference]: Without dead ends: 12875 [2022-10-16 16:35:42,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:42,605 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 1415 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:42,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1415 Valid, 1448 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:35:42,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12875 states. [2022-10-16 16:35:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12875 to 12423. [2022-10-16 16:35:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12423 states, 12388 states have (on average 1.5614304165321278) internal successors, (19343), 12422 states have internal predecessors, (19343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12423 states to 12423 states and 19343 transitions. [2022-10-16 16:35:43,618 INFO L78 Accepts]: Start accepts. Automaton has 12423 states and 19343 transitions. Word has length 139 [2022-10-16 16:35:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:43,618 INFO L495 AbstractCegarLoop]: Abstraction has 12423 states and 19343 transitions. [2022-10-16 16:35:43,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 12423 states and 19343 transitions. [2022-10-16 16:35:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:35:43,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:43,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:43,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:35:43,621 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:43,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:43,622 INFO L85 PathProgramCache]: Analyzing trace with hash 902872935, now seen corresponding path program 1 times [2022-10-16 16:35:43,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:43,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051700477] [2022-10-16 16:35:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:43,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:43,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:43,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051700477] [2022-10-16 16:35:43,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051700477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:43,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:43,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:43,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559600633] [2022-10-16 16:35:43,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:43,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:43,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:43,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:43,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:43,806 INFO L87 Difference]: Start difference. First operand 12423 states and 19343 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:45,106 INFO L93 Difference]: Finished difference Result 13578 states and 21065 transitions. [2022-10-16 16:35:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:45,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:35:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:45,128 INFO L225 Difference]: With dead ends: 13578 [2022-10-16 16:35:45,128 INFO L226 Difference]: Without dead ends: 13575 [2022-10-16 16:35:45,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:45,134 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 670 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:45,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1447 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:45,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13575 states. [2022-10-16 16:35:46,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13575 to 13137. [2022-10-16 16:35:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13137 states, 13102 states have (on average 1.5632727827812547) internal successors, (20482), 13136 states have internal predecessors, (20482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:46,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13137 states to 13137 states and 20482 transitions. [2022-10-16 16:35:46,282 INFO L78 Accepts]: Start accepts. Automaton has 13137 states and 20482 transitions. Word has length 139 [2022-10-16 16:35:46,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:46,283 INFO L495 AbstractCegarLoop]: Abstraction has 13137 states and 20482 transitions. [2022-10-16 16:35:46,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 13137 states and 20482 transitions. [2022-10-16 16:35:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:35:46,285 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:46,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:46,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:35:46,285 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:46,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:46,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1796318584, now seen corresponding path program 1 times [2022-10-16 16:35:46,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:46,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006020616] [2022-10-16 16:35:46,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:46,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:46,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:46,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006020616] [2022-10-16 16:35:46,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006020616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:46,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:46,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:46,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856600610] [2022-10-16 16:35:46,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:46,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:46,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:46,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:46,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:46,477 INFO L87 Difference]: Start difference. First operand 13137 states and 20482 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:47,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:47,903 INFO L93 Difference]: Finished difference Result 13960 states and 21629 transitions. [2022-10-16 16:35:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:47,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:35:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:47,920 INFO L225 Difference]: With dead ends: 13960 [2022-10-16 16:35:47,920 INFO L226 Difference]: Without dead ends: 13957 [2022-10-16 16:35:47,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:47,925 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 1422 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:47,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 1433 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:35:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13957 states. [2022-10-16 16:35:48,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13957 to 13505. [2022-10-16 16:35:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13505 states, 13470 states have (on average 1.5631031922791387) internal successors, (21055), 13504 states have internal predecessors, (21055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13505 states to 13505 states and 21055 transitions. [2022-10-16 16:35:48,968 INFO L78 Accepts]: Start accepts. Automaton has 13505 states and 21055 transitions. Word has length 139 [2022-10-16 16:35:48,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:48,969 INFO L495 AbstractCegarLoop]: Abstraction has 13505 states and 21055 transitions. [2022-10-16 16:35:48,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 13505 states and 21055 transitions. [2022-10-16 16:35:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:35:48,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:48,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:48,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:35:48,972 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:48,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:48,973 INFO L85 PathProgramCache]: Analyzing trace with hash -860143269, now seen corresponding path program 1 times [2022-10-16 16:35:48,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:48,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760304601] [2022-10-16 16:35:48,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:48,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:49,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:49,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760304601] [2022-10-16 16:35:49,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760304601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:49,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:49,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:49,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433897256] [2022-10-16 16:35:49,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:49,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:49,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:49,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:49,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:49,166 INFO L87 Difference]: Start difference. First operand 13505 states and 21055 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:50,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:50,583 INFO L93 Difference]: Finished difference Result 15383 states and 23943 transitions. [2022-10-16 16:35:50,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:50,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:35:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:50,601 INFO L225 Difference]: With dead ends: 15383 [2022-10-16 16:35:50,602 INFO L226 Difference]: Without dead ends: 15380 [2022-10-16 16:35:50,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:50,608 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 690 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:50,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 1438 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15380 states. [2022-10-16 16:35:51,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15380 to 15290. [2022-10-16 16:35:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15290 states, 15255 states have (on average 1.568338249754179) internal successors, (23925), 15289 states have internal predecessors, (23925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15290 states to 15290 states and 23925 transitions. [2022-10-16 16:35:51,789 INFO L78 Accepts]: Start accepts. Automaton has 15290 states and 23925 transitions. Word has length 139 [2022-10-16 16:35:51,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:51,789 INFO L495 AbstractCegarLoop]: Abstraction has 15290 states and 23925 transitions. [2022-10-16 16:35:51,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 15290 states and 23925 transitions. [2022-10-16 16:35:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:35:51,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:51,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:51,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:35:51,792 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:51,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash -46946850, now seen corresponding path program 1 times [2022-10-16 16:35:51,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:51,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481368897] [2022-10-16 16:35:51,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:51,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:51,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:51,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481368897] [2022-10-16 16:35:51,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481368897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:51,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:51,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:51,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576258683] [2022-10-16 16:35:51,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:51,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:51,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:51,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:51,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:51,989 INFO L87 Difference]: Start difference. First operand 15290 states and 23925 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:53,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:53,896 INFO L93 Difference]: Finished difference Result 20392 states and 31825 transitions. [2022-10-16 16:35:53,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:53,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:35:53,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:53,918 INFO L225 Difference]: With dead ends: 20392 [2022-10-16 16:35:53,918 INFO L226 Difference]: Without dead ends: 20389 [2022-10-16 16:35:53,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:53,923 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 2199 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:53,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2199 Valid, 908 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:53,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20389 states. [2022-10-16 16:35:55,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20389 to 18157. [2022-10-16 16:35:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18157 states, 18122 states have (on average 1.57157046683589) internal successors, (28480), 18156 states have internal predecessors, (28480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18157 states to 18157 states and 28480 transitions. [2022-10-16 16:35:55,385 INFO L78 Accepts]: Start accepts. Automaton has 18157 states and 28480 transitions. Word has length 140 [2022-10-16 16:35:55,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:55,386 INFO L495 AbstractCegarLoop]: Abstraction has 18157 states and 28480 transitions. [2022-10-16 16:35:55,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 18157 states and 28480 transitions. [2022-10-16 16:35:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:35:55,388 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:55,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:55,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:35:55,388 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:55,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1092382570, now seen corresponding path program 1 times [2022-10-16 16:35:55,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:55,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828456521] [2022-10-16 16:35:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:55,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:55,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:55,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:55,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828456521] [2022-10-16 16:35:55,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828456521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:55,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:55,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:55,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024356143] [2022-10-16 16:35:55,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:55,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:55,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:55,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:55,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:55,577 INFO L87 Difference]: Start difference. First operand 18157 states and 28480 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:57,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:57,659 INFO L93 Difference]: Finished difference Result 22194 states and 34820 transitions. [2022-10-16 16:35:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:57,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:35:57,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:57,684 INFO L225 Difference]: With dead ends: 22194 [2022-10-16 16:35:57,684 INFO L226 Difference]: Without dead ends: 22191 [2022-10-16 16:35:57,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:35:57,689 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 1567 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:57,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 1130 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:57,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22191 states. [2022-10-16 16:35:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22191 to 22095. [2022-10-16 16:35:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22095 states, 22060 states have (on average 1.5747506799637352) internal successors, (34739), 22094 states have internal predecessors, (34739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22095 states to 22095 states and 34739 transitions. [2022-10-16 16:35:59,437 INFO L78 Accepts]: Start accepts. Automaton has 22095 states and 34739 transitions. Word has length 140 [2022-10-16 16:35:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:59,437 INFO L495 AbstractCegarLoop]: Abstraction has 22095 states and 34739 transitions. [2022-10-16 16:35:59,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 22095 states and 34739 transitions. [2022-10-16 16:35:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:35:59,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:59,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:59,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:35:59,439 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:35:59,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:59,440 INFO L85 PathProgramCache]: Analyzing trace with hash -148698294, now seen corresponding path program 1 times [2022-10-16 16:35:59,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:59,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435693788] [2022-10-16 16:35:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:59,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:59,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:59,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435693788] [2022-10-16 16:35:59,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435693788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:59,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:59,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:59,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668515074] [2022-10-16 16:35:59,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:59,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:59,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:59,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:59,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:59,634 INFO L87 Difference]: Start difference. First operand 22095 states and 34739 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:01,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:01,791 INFO L93 Difference]: Finished difference Result 25053 states and 39331 transitions. [2022-10-16 16:36:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:01,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:36:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:01,824 INFO L225 Difference]: With dead ends: 25053 [2022-10-16 16:36:01,824 INFO L226 Difference]: Without dead ends: 25050 [2022-10-16 16:36:01,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:01,830 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 1571 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:01,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 1238 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:01,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25050 states. [2022-10-16 16:36:03,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25050 to 24951. [2022-10-16 16:36:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24951 states, 24916 states have (on average 1.5763766254615508) internal successors, (39277), 24950 states have internal predecessors, (39277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24951 states to 24951 states and 39277 transitions. [2022-10-16 16:36:03,780 INFO L78 Accepts]: Start accepts. Automaton has 24951 states and 39277 transitions. Word has length 140 [2022-10-16 16:36:03,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:03,781 INFO L495 AbstractCegarLoop]: Abstraction has 24951 states and 39277 transitions. [2022-10-16 16:36:03,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 24951 states and 39277 transitions. [2022-10-16 16:36:03,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:36:03,783 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:03,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:03,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:36:03,783 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:03,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:03,784 INFO L85 PathProgramCache]: Analyzing trace with hash -894637117, now seen corresponding path program 1 times [2022-10-16 16:36:03,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:03,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060136593] [2022-10-16 16:36:03,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:03,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:03,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:03,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060136593] [2022-10-16 16:36:03,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060136593] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:03,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:03,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:03,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742478818] [2022-10-16 16:36:03,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:03,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:03,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:03,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:03,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:03,998 INFO L87 Difference]: Start difference. First operand 24951 states and 39277 transitions. Second operand has 5 states, 4 states have (on average 35.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:06,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:06,240 INFO L93 Difference]: Finished difference Result 25012 states and 39277 transitions. [2022-10-16 16:36:06,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:06,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:36:06,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:06,274 INFO L225 Difference]: With dead ends: 25012 [2022-10-16 16:36:06,274 INFO L226 Difference]: Without dead ends: 25009 [2022-10-16 16:36:06,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:06,282 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 698 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:06,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1285 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:06,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25009 states. [2022-10-16 16:36:08,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25009 to 24237. [2022-10-16 16:36:08,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24237 states, 24202 states have (on average 1.5724733493099743) internal successors, (38057), 24236 states have internal predecessors, (38057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24237 states to 24237 states and 38057 transitions. [2022-10-16 16:36:08,198 INFO L78 Accepts]: Start accepts. Automaton has 24237 states and 38057 transitions. Word has length 140 [2022-10-16 16:36:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:08,199 INFO L495 AbstractCegarLoop]: Abstraction has 24237 states and 38057 transitions. [2022-10-16 16:36:08,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 24237 states and 38057 transitions. [2022-10-16 16:36:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:08,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:08,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:08,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:36:08,201 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:08,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1455351898, now seen corresponding path program 1 times [2022-10-16 16:36:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:08,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852617049] [2022-10-16 16:36:08,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:08,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:08,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852617049] [2022-10-16 16:36:08,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852617049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:08,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:08,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:08,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195945133] [2022-10-16 16:36:08,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:08,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:08,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:08,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:08,392 INFO L87 Difference]: Start difference. First operand 24237 states and 38057 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:10,624 INFO L93 Difference]: Finished difference Result 24703 states and 38613 transitions. [2022-10-16 16:36:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:36:10,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:10,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:10,658 INFO L225 Difference]: With dead ends: 24703 [2022-10-16 16:36:10,658 INFO L226 Difference]: Without dead ends: 24700 [2022-10-16 16:36:10,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:36:10,667 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 2735 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:10,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2735 Valid, 1252 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24700 states. [2022-10-16 16:36:12,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24700 to 24600. [2022-10-16 16:36:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24600 states, 24565 states have (on average 1.5715041726032974) internal successors, (38604), 24599 states have internal predecessors, (38604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24600 states to 24600 states and 38604 transitions. [2022-10-16 16:36:12,661 INFO L78 Accepts]: Start accepts. Automaton has 24600 states and 38604 transitions. Word has length 141 [2022-10-16 16:36:12,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:12,662 INFO L495 AbstractCegarLoop]: Abstraction has 24600 states and 38604 transitions. [2022-10-16 16:36:12,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 24600 states and 38604 transitions. [2022-10-16 16:36:12,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:12,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:12,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:12,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:36:12,664 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:12,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1093037475, now seen corresponding path program 1 times [2022-10-16 16:36:12,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:12,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991746621] [2022-10-16 16:36:12,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:12,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:12,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:12,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991746621] [2022-10-16 16:36:12,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991746621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:12,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:12,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:12,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418320062] [2022-10-16 16:36:12,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:12,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:12,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:12,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:12,857 INFO L87 Difference]: Start difference. First operand 24600 states and 38604 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:15,095 INFO L93 Difference]: Finished difference Result 25052 states and 39160 transitions. [2022-10-16 16:36:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:15,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:15,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:15,130 INFO L225 Difference]: With dead ends: 25052 [2022-10-16 16:36:15,131 INFO L226 Difference]: Without dead ends: 25049 [2022-10-16 16:36:15,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:15,139 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 1319 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:15,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 1212 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:15,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25049 states. [2022-10-16 16:36:17,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25049 to 24600. [2022-10-16 16:36:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24600 states, 24565 states have (on average 1.5704050478322817) internal successors, (38577), 24599 states have internal predecessors, (38577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:17,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24600 states to 24600 states and 38577 transitions. [2022-10-16 16:36:17,249 INFO L78 Accepts]: Start accepts. Automaton has 24600 states and 38577 transitions. Word has length 141 [2022-10-16 16:36:17,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:17,250 INFO L495 AbstractCegarLoop]: Abstraction has 24600 states and 38577 transitions. [2022-10-16 16:36:17,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 24600 states and 38577 transitions. [2022-10-16 16:36:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:17,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:17,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:17,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:36:17,252 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:17,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:17,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1405697646, now seen corresponding path program 1 times [2022-10-16 16:36:17,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:17,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057172988] [2022-10-16 16:36:17,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:17,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:17,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:17,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057172988] [2022-10-16 16:36:17,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057172988] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:17,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:17,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:17,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333300532] [2022-10-16 16:36:17,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:17,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:17,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:17,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:17,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:17,445 INFO L87 Difference]: Start difference. First operand 24600 states and 38577 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:19,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:19,915 INFO L93 Difference]: Finished difference Result 24700 states and 38577 transitions. [2022-10-16 16:36:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:36:19,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:19,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:19,949 INFO L225 Difference]: With dead ends: 24700 [2022-10-16 16:36:19,949 INFO L226 Difference]: Without dead ends: 24697 [2022-10-16 16:36:19,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:36:19,955 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 2235 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:19,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2235 Valid, 1475 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:19,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24697 states. [2022-10-16 16:36:21,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 24600. [2022-10-16 16:36:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24600 states, 24565 states have (on average 1.569672297984938) internal successors, (38559), 24599 states have internal predecessors, (38559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24600 states to 24600 states and 38559 transitions. [2022-10-16 16:36:21,985 INFO L78 Accepts]: Start accepts. Automaton has 24600 states and 38559 transitions. Word has length 141 [2022-10-16 16:36:21,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:21,986 INFO L495 AbstractCegarLoop]: Abstraction has 24600 states and 38559 transitions. [2022-10-16 16:36:21,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24600 states and 38559 transitions. [2022-10-16 16:36:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:21,988 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:21,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:21,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:36:21,988 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:21,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:21,989 INFO L85 PathProgramCache]: Analyzing trace with hash -101378386, now seen corresponding path program 1 times [2022-10-16 16:36:21,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:21,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849194461] [2022-10-16 16:36:21,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:21,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:22,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:22,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849194461] [2022-10-16 16:36:22,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849194461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:22,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:22,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:22,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663959887] [2022-10-16 16:36:22,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:22,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:22,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:22,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:22,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:22,191 INFO L87 Difference]: Start difference. First operand 24600 states and 38559 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:24,635 INFO L93 Difference]: Finished difference Result 25060 states and 39106 transitions. [2022-10-16 16:36:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:36:24,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:24,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:24,670 INFO L225 Difference]: With dead ends: 25060 [2022-10-16 16:36:24,670 INFO L226 Difference]: Without dead ends: 25057 [2022-10-16 16:36:24,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:36:24,677 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 1885 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:24,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 1900 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:36:24,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25057 states. [2022-10-16 16:36:26,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25057 to 24957. [2022-10-16 16:36:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24957 states, 24922 states have (on average 1.5687745766792391) internal successors, (39097), 24956 states have internal predecessors, (39097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24957 states to 24957 states and 39097 transitions. [2022-10-16 16:36:26,742 INFO L78 Accepts]: Start accepts. Automaton has 24957 states and 39097 transitions. Word has length 141 [2022-10-16 16:36:26,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:26,743 INFO L495 AbstractCegarLoop]: Abstraction has 24957 states and 39097 transitions. [2022-10-16 16:36:26,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 24957 states and 39097 transitions. [2022-10-16 16:36:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:26,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:26,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:26,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:36:26,746 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:26,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:26,746 INFO L85 PathProgramCache]: Analyzing trace with hash -103687863, now seen corresponding path program 1 times [2022-10-16 16:36:26,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:26,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554703421] [2022-10-16 16:36:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:26,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:26,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554703421] [2022-10-16 16:36:26,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554703421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:26,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:26,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:26,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431161438] [2022-10-16 16:36:26,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:26,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:26,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:26,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:26,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:26,940 INFO L87 Difference]: Start difference. First operand 24957 states and 39097 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:29,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:29,392 INFO L93 Difference]: Finished difference Result 26489 states and 41348 transitions. [2022-10-16 16:36:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:29,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:29,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:29,442 INFO L225 Difference]: With dead ends: 26489 [2022-10-16 16:36:29,442 INFO L226 Difference]: Without dead ends: 26486 [2022-10-16 16:36:29,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:29,452 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 1221 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:29,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1593 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:29,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26486 states. [2022-10-16 16:36:31,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26486 to 26385. [2022-10-16 16:36:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26385 states, 26350 states have (on average 1.5685009487666035) internal successors, (41330), 26384 states have internal predecessors, (41330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26385 states to 26385 states and 41330 transitions. [2022-10-16 16:36:31,644 INFO L78 Accepts]: Start accepts. Automaton has 26385 states and 41330 transitions. Word has length 141 [2022-10-16 16:36:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:31,645 INFO L495 AbstractCegarLoop]: Abstraction has 26385 states and 41330 transitions. [2022-10-16 16:36:31,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 26385 states and 41330 transitions. [2022-10-16 16:36:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:31,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:31,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:31,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:36:31,648 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:31,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:31,648 INFO L85 PathProgramCache]: Analyzing trace with hash -495878246, now seen corresponding path program 1 times [2022-10-16 16:36:31,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:31,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264227512] [2022-10-16 16:36:31,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:31,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:31,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:31,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264227512] [2022-10-16 16:36:31,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264227512] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:31,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:31,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:31,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012916850] [2022-10-16 16:36:31,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:31,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:31,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:31,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:31,851 INFO L87 Difference]: Start difference. First operand 26385 states and 41330 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:34,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:34,521 INFO L93 Difference]: Finished difference Result 26851 states and 41886 transitions. [2022-10-16 16:36:34,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:36:34,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:34,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:34,558 INFO L225 Difference]: With dead ends: 26851 [2022-10-16 16:36:34,558 INFO L226 Difference]: Without dead ends: 26848 [2022-10-16 16:36:34,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:36:34,566 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 1865 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:34,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 1860 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:36:34,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26848 states. [2022-10-16 16:36:36,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26848 to 26748. [2022-10-16 16:36:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26748 states, 26713 states have (on average 1.5676636843484446) internal successors, (41877), 26747 states have internal predecessors, (41877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26748 states to 26748 states and 41877 transitions. [2022-10-16 16:36:36,862 INFO L78 Accepts]: Start accepts. Automaton has 26748 states and 41877 transitions. Word has length 141 [2022-10-16 16:36:36,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:36,862 INFO L495 AbstractCegarLoop]: Abstraction has 26748 states and 41877 transitions. [2022-10-16 16:36:36,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:36,862 INFO L276 IsEmpty]: Start isEmpty. Operand 26748 states and 41877 transitions. [2022-10-16 16:36:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:36,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:36,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:36,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:36:36,864 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:36,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:36,865 INFO L85 PathProgramCache]: Analyzing trace with hash -133563823, now seen corresponding path program 1 times [2022-10-16 16:36:36,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:36,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62734147] [2022-10-16 16:36:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:36,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:37,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:37,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62734147] [2022-10-16 16:36:37,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62734147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:37,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:37,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:37,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64100897] [2022-10-16 16:36:37,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:37,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:37,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:37,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:37,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:37,051 INFO L87 Difference]: Start difference. First operand 26748 states and 41877 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:39,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:39,709 INFO L93 Difference]: Finished difference Result 27200 states and 42433 transitions. [2022-10-16 16:36:39,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:39,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:39,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:39,748 INFO L225 Difference]: With dead ends: 27200 [2022-10-16 16:36:39,748 INFO L226 Difference]: Without dead ends: 27197 [2022-10-16 16:36:39,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:39,757 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 1072 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:39,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 1688 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27197 states. [2022-10-16 16:36:41,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27197 to 27105. [2022-10-16 16:36:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27105 states, 27070 states have (on average 1.5668636867380865) internal successors, (42415), 27104 states have internal predecessors, (42415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27105 states to 27105 states and 42415 transitions. [2022-10-16 16:36:42,034 INFO L78 Accepts]: Start accepts. Automaton has 27105 states and 42415 transitions. Word has length 141 [2022-10-16 16:36:42,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:42,034 INFO L495 AbstractCegarLoop]: Abstraction has 27105 states and 42415 transitions. [2022-10-16 16:36:42,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 27105 states and 42415 transitions. [2022-10-16 16:36:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:42,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:42,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:42,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:36:42,036 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:42,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:42,037 INFO L85 PathProgramCache]: Analyzing trace with hash 77511017, now seen corresponding path program 1 times [2022-10-16 16:36:42,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:42,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844287344] [2022-10-16 16:36:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:42,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:42,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844287344] [2022-10-16 16:36:42,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844287344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:42,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:42,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:42,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337198846] [2022-10-16 16:36:42,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:42,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:42,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:42,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:42,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:42,213 INFO L87 Difference]: Start difference. First operand 27105 states and 42415 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:44,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:44,865 INFO L93 Difference]: Finished difference Result 28280 states and 44119 transitions. [2022-10-16 16:36:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:44,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:44,903 INFO L225 Difference]: With dead ends: 28280 [2022-10-16 16:36:44,904 INFO L226 Difference]: Without dead ends: 28277 [2022-10-16 16:36:44,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:44,913 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1228 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:44,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 1588 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:44,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28277 states. [2022-10-16 16:36:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28277 to 28176. [2022-10-16 16:36:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28176 states, 28141 states have (on average 1.5671440247325965) internal successors, (44101), 28175 states have internal predecessors, (44101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28176 states to 28176 states and 44101 transitions. [2022-10-16 16:36:47,300 INFO L78 Accepts]: Start accepts. Automaton has 28176 states and 44101 transitions. Word has length 141 [2022-10-16 16:36:47,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:47,300 INFO L495 AbstractCegarLoop]: Abstraction has 28176 states and 44101 transitions. [2022-10-16 16:36:47,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 28176 states and 44101 transitions. [2022-10-16 16:36:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:47,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:47,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:47,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:36:47,304 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:47,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:47,304 INFO L85 PathProgramCache]: Analyzing trace with hash -314679366, now seen corresponding path program 1 times [2022-10-16 16:36:47,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:47,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891435719] [2022-10-16 16:36:47,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:47,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:47,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:47,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891435719] [2022-10-16 16:36:47,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891435719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:47,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:47,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:47,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094029437] [2022-10-16 16:36:47,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:47,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:47,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:47,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:47,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:47,502 INFO L87 Difference]: Start difference. First operand 28176 states and 44101 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:50,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:50,290 INFO L93 Difference]: Finished difference Result 28642 states and 44657 transitions. [2022-10-16 16:36:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:36:50,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:50,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:50,335 INFO L225 Difference]: With dead ends: 28642 [2022-10-16 16:36:50,335 INFO L226 Difference]: Without dead ends: 28639 [2022-10-16 16:36:50,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:36:50,345 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 1865 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:50,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 2054 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:36:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28639 states. [2022-10-16 16:36:52,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28639 to 28539. [2022-10-16 16:36:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28539 states, 28504 states have (on average 1.5663766488913837) internal successors, (44648), 28538 states have internal predecessors, (44648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28539 states to 28539 states and 44648 transitions. [2022-10-16 16:36:52,909 INFO L78 Accepts]: Start accepts. Automaton has 28539 states and 44648 transitions. Word has length 141 [2022-10-16 16:36:52,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:52,910 INFO L495 AbstractCegarLoop]: Abstraction has 28539 states and 44648 transitions. [2022-10-16 16:36:52,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 28539 states and 44648 transitions. [2022-10-16 16:36:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:52,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:52,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:52,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:36:52,912 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:52,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:52,913 INFO L85 PathProgramCache]: Analyzing trace with hash 47635057, now seen corresponding path program 1 times [2022-10-16 16:36:52,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:52,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704912330] [2022-10-16 16:36:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:52,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:53,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:53,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704912330] [2022-10-16 16:36:53,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704912330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:53,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:53,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:53,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839098288] [2022-10-16 16:36:53,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:53,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:53,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:53,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:53,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:53,098 INFO L87 Difference]: Start difference. First operand 28539 states and 44648 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:55,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:55,793 INFO L93 Difference]: Finished difference Result 28991 states and 45204 transitions. [2022-10-16 16:36:55,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:55,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:36:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:55,833 INFO L225 Difference]: With dead ends: 28991 [2022-10-16 16:36:55,834 INFO L226 Difference]: Without dead ends: 28988 [2022-10-16 16:36:55,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:55,841 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 1079 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:55,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1800 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28988 states. [2022-10-16 16:36:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28988 to 28896. [2022-10-16 16:36:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28896 states, 28861 states have (on average 1.5659540556460274) internal successors, (45195), 28895 states have internal predecessors, (45195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28896 states to 28896 states and 45195 transitions. [2022-10-16 16:36:58,270 INFO L78 Accepts]: Start accepts. Automaton has 28896 states and 45195 transitions. Word has length 141 [2022-10-16 16:36:58,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:58,270 INFO L495 AbstractCegarLoop]: Abstraction has 28896 states and 45195 transitions. [2022-10-16 16:36:58,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 28896 states and 45195 transitions. [2022-10-16 16:36:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:36:58,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:58,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:58,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:36:58,273 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:36:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:58,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1437575244, now seen corresponding path program 1 times [2022-10-16 16:36:58,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:58,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545205912] [2022-10-16 16:36:58,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:58,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:58,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:58,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545205912] [2022-10-16 16:36:58,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545205912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:58,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:58,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:58,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188132711] [2022-10-16 16:36:58,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:58,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:58,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:58,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:58,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:58,436 INFO L87 Difference]: Start difference. First operand 28896 states and 45195 transitions. Second operand has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:01,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:01,354 INFO L93 Difference]: Finished difference Result 31482 states and 49195 transitions. [2022-10-16 16:37:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:01,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:37:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:01,395 INFO L225 Difference]: With dead ends: 31482 [2022-10-16 16:37:01,395 INFO L226 Difference]: Without dead ends: 31479 [2022-10-16 16:37:01,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:01,403 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 658 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:01,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1587 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:01,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31479 states. [2022-10-16 16:37:03,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31479 to 30324. [2022-10-16 16:37:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30324 states, 30289 states have (on average 1.563174749909208) internal successors, (47347), 30323 states have internal predecessors, (47347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30324 states to 30324 states and 47347 transitions. [2022-10-16 16:37:03,943 INFO L78 Accepts]: Start accepts. Automaton has 30324 states and 47347 transitions. Word has length 141 [2022-10-16 16:37:03,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:03,944 INFO L495 AbstractCegarLoop]: Abstraction has 30324 states and 47347 transitions. [2022-10-16 16:37:03,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30324 states and 47347 transitions. [2022-10-16 16:37:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:37:03,947 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:03,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:03,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:37:03,947 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:37:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:03,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1963946403, now seen corresponding path program 1 times [2022-10-16 16:37:03,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:03,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777327542] [2022-10-16 16:37:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:03,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:04,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:04,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777327542] [2022-10-16 16:37:04,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777327542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:04,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:04,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:04,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963426425] [2022-10-16 16:37:04,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:04,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:04,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:04,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:04,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:04,134 INFO L87 Difference]: Start difference. First operand 30324 states and 47347 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:07,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:07,146 INFO L93 Difference]: Finished difference Result 32582 states and 50764 transitions. [2022-10-16 16:37:07,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:07,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 16:37:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:07,195 INFO L225 Difference]: With dead ends: 32582 [2022-10-16 16:37:07,196 INFO L226 Difference]: Without dead ends: 32579 [2022-10-16 16:37:07,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:07,206 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1232 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:07,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 1752 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:07,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32579 states. [2022-10-16 16:37:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32579 to 31395. [2022-10-16 16:37:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31395 states, 31360 states have (on average 1.5641262755102041) internal successors, (49051), 31394 states have internal predecessors, (49051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31395 states to 31395 states and 49051 transitions. [2022-10-16 16:37:09,851 INFO L78 Accepts]: Start accepts. Automaton has 31395 states and 49051 transitions. Word has length 141 [2022-10-16 16:37:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:09,851 INFO L495 AbstractCegarLoop]: Abstraction has 31395 states and 49051 transitions. [2022-10-16 16:37:09,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 31395 states and 49051 transitions. [2022-10-16 16:37:09,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:37:09,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:09,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:09,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:37:09,854 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:37:09,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash 2128731872, now seen corresponding path program 1 times [2022-10-16 16:37:09,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:09,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134662716] [2022-10-16 16:37:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:10,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:10,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134662716] [2022-10-16 16:37:10,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134662716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:10,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:10,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717892974] [2022-10-16 16:37:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:10,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:10,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:10,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:10,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:10,047 INFO L87 Difference]: Start difference. First operand 31395 states and 49051 transitions. Second operand has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:13,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:13,658 INFO L93 Difference]: Finished difference Result 38300 states and 59705 transitions. [2022-10-16 16:37:13,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:37:13,659 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 16:37:13,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:13,711 INFO L225 Difference]: With dead ends: 38300 [2022-10-16 16:37:13,711 INFO L226 Difference]: Without dead ends: 38297 [2022-10-16 16:37:13,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:37:13,720 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 3206 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3206 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:13,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3206 Valid, 1077 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:13,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38297 states. [2022-10-16 16:37:16,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38297 to 38190. [2022-10-16 16:37:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38190 states, 38155 states have (on average 1.563386187917704) internal successors, (59651), 38189 states have internal predecessors, (59651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38190 states to 38190 states and 59651 transitions. [2022-10-16 16:37:16,955 INFO L78 Accepts]: Start accepts. Automaton has 38190 states and 59651 transitions. Word has length 142 [2022-10-16 16:37:16,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:16,956 INFO L495 AbstractCegarLoop]: Abstraction has 38190 states and 59651 transitions. [2022-10-16 16:37:16,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 38190 states and 59651 transitions. [2022-10-16 16:37:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:37:16,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:16,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:16,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:37:16,958 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:37:16,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:16,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1152237784, now seen corresponding path program 1 times [2022-10-16 16:37:16,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:16,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206028699] [2022-10-16 16:37:16,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:16,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:17,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:17,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206028699] [2022-10-16 16:37:17,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206028699] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:17,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:17,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:17,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120292723] [2022-10-16 16:37:17,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:17,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:17,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:17,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:17,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:17,097 INFO L87 Difference]: Start difference. First operand 38190 states and 59651 transitions. Second operand has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:21,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:21,401 INFO L93 Difference]: Finished difference Result 44375 states and 68968 transitions. [2022-10-16 16:37:21,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:37:21,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 16:37:21,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:21,455 INFO L225 Difference]: With dead ends: 44375 [2022-10-16 16:37:21,456 INFO L226 Difference]: Without dead ends: 44372 [2022-10-16 16:37:21,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:37:21,465 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 2397 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:21,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 1389 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:21,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44372 states. [2022-10-16 16:37:25,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44372 to 42129. [2022-10-16 16:37:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42129 states, 42094 states have (on average 1.5604599230294103) internal successors, (65686), 42128 states have internal predecessors, (65686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:25,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42129 states to 42129 states and 65686 transitions. [2022-10-16 16:37:25,483 INFO L78 Accepts]: Start accepts. Automaton has 42129 states and 65686 transitions. Word has length 142 [2022-10-16 16:37:25,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:25,484 INFO L495 AbstractCegarLoop]: Abstraction has 42129 states and 65686 transitions. [2022-10-16 16:37:25,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 42129 states and 65686 transitions. [2022-10-16 16:37:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:37:25,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:25,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:25,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:37:25,487 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:37:25,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:25,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1080643993, now seen corresponding path program 1 times [2022-10-16 16:37:25,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:25,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811683223] [2022-10-16 16:37:25,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:25,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:25,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:25,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811683223] [2022-10-16 16:37:25,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811683223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:25,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:25,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:25,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196364743] [2022-10-16 16:37:25,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:25,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:25,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:25,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:25,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:25,681 INFO L87 Difference]: Start difference. First operand 42129 states and 65686 transitions. Second operand has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:30,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:30,980 INFO L93 Difference]: Finished difference Result 56856 states and 88833 transitions. [2022-10-16 16:37:30,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:30,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 16:37:30,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:31,065 INFO L225 Difference]: With dead ends: 56856 [2022-10-16 16:37:31,065 INFO L226 Difference]: Without dead ends: 56853 [2022-10-16 16:37:31,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:31,079 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1266 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:31,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 1161 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:31,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56853 states. [2022-10-16 16:37:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56853 to 53553. [2022-10-16 16:37:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53553 states, 53518 states have (on average 1.5641840128554878) internal successors, (83712), 53552 states have internal predecessors, (83712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53553 states to 53553 states and 83712 transitions. [2022-10-16 16:37:36,295 INFO L78 Accepts]: Start accepts. Automaton has 53553 states and 83712 transitions. Word has length 142 [2022-10-16 16:37:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:36,296 INFO L495 AbstractCegarLoop]: Abstraction has 53553 states and 83712 transitions. [2022-10-16 16:37:36,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 53553 states and 83712 transitions. [2022-10-16 16:37:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:37:36,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:36,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:36,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:37:36,298 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:37:36,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:36,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1807644012, now seen corresponding path program 1 times [2022-10-16 16:37:36,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:36,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728520311] [2022-10-16 16:37:36,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:36,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:36,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:36,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728520311] [2022-10-16 16:37:36,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728520311] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:36,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:36,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:36,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786627130] [2022-10-16 16:37:36,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:36,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:36,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:36,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:36,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:36,480 INFO L87 Difference]: Start difference. First operand 53553 states and 83712 transitions. Second operand has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:42,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:42,645 INFO L93 Difference]: Finished difference Result 60116 states and 93828 transitions. [2022-10-16 16:37:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:37:42,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 16:37:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:42,723 INFO L225 Difference]: With dead ends: 60116 [2022-10-16 16:37:42,724 INFO L226 Difference]: Without dead ends: 60113 [2022-10-16 16:37:42,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:37:42,735 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 2100 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:42,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2100 Valid, 1551 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:37:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60113 states. [2022-10-16 16:37:48,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60113 to 59985. [2022-10-16 16:37:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59985 states, 59950 states have (on average 1.563903252710592) internal successors, (93756), 59984 states have internal predecessors, (93756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59985 states to 59985 states and 93756 transitions. [2022-10-16 16:37:48,569 INFO L78 Accepts]: Start accepts. Automaton has 59985 states and 93756 transitions. Word has length 142 [2022-10-16 16:37:48,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:48,569 INFO L495 AbstractCegarLoop]: Abstraction has 59985 states and 93756 transitions. [2022-10-16 16:37:48,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 59985 states and 93756 transitions. [2022-10-16 16:37:48,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:37:48,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:48,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:48,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:37:48,572 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:37:48,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:48,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1892125319, now seen corresponding path program 1 times [2022-10-16 16:37:48,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:48,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565942487] [2022-10-16 16:37:48,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:48,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:48,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:48,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565942487] [2022-10-16 16:37:48,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565942487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:48,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:48,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:48,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478049312] [2022-10-16 16:37:48,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:48,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:48,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:48,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:48,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:48,756 INFO L87 Difference]: Start difference. First operand 59985 states and 93756 transitions. Second operand has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:55,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:55,178 INFO L93 Difference]: Finished difference Result 71514 states and 112214 transitions. [2022-10-16 16:37:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:55,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 16:37:55,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:55,284 INFO L225 Difference]: With dead ends: 71514 [2022-10-16 16:37:55,284 INFO L226 Difference]: Without dead ends: 71508 [2022-10-16 16:37:55,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:55,303 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1271 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:55,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 1172 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71508 states. [2022-10-16 16:38:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71508 to 66411. [2022-10-16 16:38:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66411 states, 66376 states have (on average 1.567343618175244) internal successors, (104034), 66410 states have internal predecessors, (104034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66411 states to 66411 states and 104034 transitions. [2022-10-16 16:38:01,813 INFO L78 Accepts]: Start accepts. Automaton has 66411 states and 104034 transitions. Word has length 142 [2022-10-16 16:38:01,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:01,813 INFO L495 AbstractCegarLoop]: Abstraction has 66411 states and 104034 transitions. [2022-10-16 16:38:01,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 66411 states and 104034 transitions. [2022-10-16 16:38:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:38:01,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:01,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:01,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:38:01,816 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:38:01,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:01,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1165125300, now seen corresponding path program 1 times [2022-10-16 16:38:01,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:01,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912233493] [2022-10-16 16:38:01,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:01,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:01,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912233493] [2022-10-16 16:38:01,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912233493] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:01,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:01,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:01,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187526645] [2022-10-16 16:38:01,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:01,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:01,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:01,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:01,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:01,980 INFO L87 Difference]: Start difference. First operand 66411 states and 104034 transitions. Second operand has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:09,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:09,304 INFO L93 Difference]: Finished difference Result 75476 states and 118105 transitions. [2022-10-16 16:38:09,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:09,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 16:38:09,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:09,408 INFO L225 Difference]: With dead ends: 75476 [2022-10-16 16:38:09,408 INFO L226 Difference]: Without dead ends: 75473 [2022-10-16 16:38:09,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:09,424 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 2103 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2103 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:09,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2103 Valid, 1425 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:38:09,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75473 states. [2022-10-16 16:38:16,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75473 to 75342. [2022-10-16 16:38:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75342 states, 75307 states have (on average 1.5673576161578604) internal successors, (118033), 75341 states have internal predecessors, (118033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75342 states to 75342 states and 118033 transitions. [2022-10-16 16:38:16,807 INFO L78 Accepts]: Start accepts. Automaton has 75342 states and 118033 transitions. Word has length 142 [2022-10-16 16:38:16,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:16,807 INFO L495 AbstractCegarLoop]: Abstraction has 75342 states and 118033 transitions. [2022-10-16 16:38:16,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 75342 states and 118033 transitions. [2022-10-16 16:38:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:38:16,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:16,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:16,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:38:16,810 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:38:16,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:16,811 INFO L85 PathProgramCache]: Analyzing trace with hash -752795899, now seen corresponding path program 1 times [2022-10-16 16:38:16,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:16,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330900174] [2022-10-16 16:38:16,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:16,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:16,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:16,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330900174] [2022-10-16 16:38:16,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330900174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:16,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:16,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:16,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482332438] [2022-10-16 16:38:16,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:16,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:16,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:16,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:16,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:16,999 INFO L87 Difference]: Start difference. First operand 75342 states and 118033 transitions. Second operand has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:25,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:25,086 INFO L93 Difference]: Finished difference Result 86865 states and 136257 transitions. [2022-10-16 16:38:25,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:25,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 16:38:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:25,212 INFO L225 Difference]: With dead ends: 86865 [2022-10-16 16:38:25,212 INFO L226 Difference]: Without dead ends: 86862 [2022-10-16 16:38:25,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:38:25,228 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 1139 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:25,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 1414 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86862 states. [2022-10-16 16:38:33,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86862 to 86766. [2022-10-16 16:38:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86766 states, 86731 states have (on average 1.5687470454624068) internal successors, (136059), 86765 states have internal predecessors, (136059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86766 states to 86766 states and 136059 transitions. [2022-10-16 16:38:33,805 INFO L78 Accepts]: Start accepts. Automaton has 86766 states and 136059 transitions. Word has length 142 [2022-10-16 16:38:33,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:33,805 INFO L495 AbstractCegarLoop]: Abstraction has 86766 states and 136059 transitions. [2022-10-16 16:38:33,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 86766 states and 136059 transitions. [2022-10-16 16:38:33,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-16 16:38:33,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:33,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:33,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:38:33,808 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:38:33,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:33,808 INFO L85 PathProgramCache]: Analyzing trace with hash 553669187, now seen corresponding path program 1 times [2022-10-16 16:38:33,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:33,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407059537] [2022-10-16 16:38:33,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:33,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:33,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:33,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407059537] [2022-10-16 16:38:33,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407059537] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:33,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:33,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:33,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439882727] [2022-10-16 16:38:33,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:33,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:33,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:33,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:33,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:33,969 INFO L87 Difference]: Start difference. First operand 86766 states and 136059 transitions. Second operand has 7 states, 6 states have (on average 23.833333333333332) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:41,920 INFO L93 Difference]: Finished difference Result 87223 states and 136597 transitions. [2022-10-16 16:38:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:41,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.833333333333332) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2022-10-16 16:38:41,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:42,031 INFO L225 Difference]: With dead ends: 87223 [2022-10-16 16:38:42,031 INFO L226 Difference]: Without dead ends: 87220 [2022-10-16 16:38:42,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:42,045 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 2249 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2249 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:42,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2249 Valid, 1516 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:42,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87220 states.