/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:55:03,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:55:03,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:55:03,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:55:03,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:55:03,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:55:03,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:55:03,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:55:03,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:55:03,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:55:03,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:55:03,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:55:03,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:55:03,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:55:03,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:55:03,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:55:03,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:55:03,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:55:03,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:55:03,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:55:03,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:55:03,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:55:03,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:55:03,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:55:03,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:55:03,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:55:03,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:55:03,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:55:03,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:55:03,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:55:03,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:55:03,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:55:03,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:55:03,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:55:03,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:55:03,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:55:03,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:55:03,813 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:55:03,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:55:03,815 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:55:03,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:55:03,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:55:03,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:55:03,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:55:03,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:55:03,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:55:03,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:55:03,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:55:03,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:55:03,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:55:03,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:55:03,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:55:03,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:55:03,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:55:03,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:55:03,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:55:03,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:55:03,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:55:03,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:55:03,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:55:03,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:55:03,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:55:03,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:55:04,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:55:04,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:55:04,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:55:04,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:55:04,333 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:55:04,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-16 15:55:04,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4595b8b2b/30540b0b6cb74983b42e5d5fc5f87a9c/FLAG14729e02c [2022-10-16 15:55:05,262 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:55:05,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-16 15:55:05,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4595b8b2b/30540b0b6cb74983b42e5d5fc5f87a9c/FLAG14729e02c [2022-10-16 15:55:05,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4595b8b2b/30540b0b6cb74983b42e5d5fc5f87a9c [2022-10-16 15:55:05,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:55:05,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:55:05,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:55:05,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:55:05,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:55:05,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:55:05" (1/1) ... [2022-10-16 15:55:05,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35067fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:05, skipping insertion in model container [2022-10-16 15:55:05,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:55:05" (1/1) ... [2022-10-16 15:55:05,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:55:05,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:55:06,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[36670,36683] [2022-10-16 15:55:06,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:55:06,978 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:55:07,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[36670,36683] [2022-10-16 15:55:07,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:55:07,664 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:55:07,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07 WrapperNode [2022-10-16 15:55:07,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:55:07,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:55:07,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:55:07,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:55:07,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:07,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:07,884 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5213 [2022-10-16 15:55:07,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:55:07,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:55:07,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:55:07,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:55:07,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:07,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:07,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:07,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:08,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:08,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:08,068 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:08,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:08,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:55:08,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:55:08,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:55:08,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:55:08,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (1/1) ... [2022-10-16 15:55:08,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:55:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:55:08,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:55:08,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:55:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:55:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:55:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:55:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:55:08,656 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:55:08,658 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:55:12,380 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:55:12,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:55:12,408 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:55:12,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:55:12 BoogieIcfgContainer [2022-10-16 15:55:12,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:55:12,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:55:12,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:55:12,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:55:12,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:55:05" (1/3) ... [2022-10-16 15:55:12,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c65972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:55:12, skipping insertion in model container [2022-10-16 15:55:12,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:07" (2/3) ... [2022-10-16 15:55:12,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c65972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:55:12, skipping insertion in model container [2022-10-16 15:55:12,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:55:12" (3/3) ... [2022-10-16 15:55:12,423 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-16 15:55:12,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:55:12,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 210 error locations. [2022-10-16 15:55:12,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:55:12,553 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;@69097dda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:55:12,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 210 error locations. [2022-10-16 15:55:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 1852 states, 1641 states have (on average 1.813528336380256) internal successors, (2976), 1851 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-10-16 15:55:12,594 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:12,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:12,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:12,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:12,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1320102311, now seen corresponding path program 1 times [2022-10-16 15:55:12,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:12,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210066500] [2022-10-16 15:55:12,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:12,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:13,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:13,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210066500] [2022-10-16 15:55:13,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210066500] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:13,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:13,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:13,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653213273] [2022-10-16 15:55:13,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:13,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:13,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:13,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:13,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:13,575 INFO L87 Difference]: Start difference. First operand has 1852 states, 1641 states have (on average 1.813528336380256) internal successors, (2976), 1851 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:13,898 INFO L93 Difference]: Finished difference Result 4020 states and 6185 transitions. [2022-10-16 15:55:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:13,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2022-10-16 15:55:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:13,935 INFO L225 Difference]: With dead ends: 4020 [2022-10-16 15:55:13,935 INFO L226 Difference]: Without dead ends: 2729 [2022-10-16 15:55:13,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:13,949 INFO L413 NwaCegarLoop]: 4262 mSDtfsCounter, 1488 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 7009 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:13,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 7009 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:13,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2022-10-16 15:55:14,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2573. [2022-10-16 15:55:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2365 states have (on average 1.7226215644820295) internal successors, (4074), 2572 states have internal predecessors, (4074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4074 transitions. [2022-10-16 15:55:14,153 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4074 transitions. Word has length 186 [2022-10-16 15:55:14,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:14,155 INFO L495 AbstractCegarLoop]: Abstraction has 2573 states and 4074 transitions. [2022-10-16 15:55:14,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4074 transitions. [2022-10-16 15:55:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 15:55:14,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:14,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:14,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:55:14,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:14,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1015217785, now seen corresponding path program 1 times [2022-10-16 15:55:14,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:14,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336979673] [2022-10-16 15:55:14,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:14,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:14,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:14,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336979673] [2022-10-16 15:55:14,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336979673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:14,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:14,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:14,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476890195] [2022-10-16 15:55:14,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:14,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:14,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:14,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:14,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:14,478 INFO L87 Difference]: Start difference. First operand 2573 states and 4074 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:14,889 INFO L93 Difference]: Finished difference Result 6000 states and 9333 transitions. [2022-10-16 15:55:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:14,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 193 [2022-10-16 15:55:14,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:14,915 INFO L225 Difference]: With dead ends: 6000 [2022-10-16 15:55:14,915 INFO L226 Difference]: Without dead ends: 4017 [2022-10-16 15:55:14,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:14,928 INFO L413 NwaCegarLoop]: 3991 mSDtfsCounter, 1398 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 6552 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:14,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 6552 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:14,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2022-10-16 15:55:15,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3863. [2022-10-16 15:55:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 3657 states have (on average 1.7191687175280284) internal successors, (6287), 3862 states have internal predecessors, (6287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 6287 transitions. [2022-10-16 15:55:15,200 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 6287 transitions. Word has length 193 [2022-10-16 15:55:15,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:15,203 INFO L495 AbstractCegarLoop]: Abstraction has 3863 states and 6287 transitions. [2022-10-16 15:55:15,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 6287 transitions. [2022-10-16 15:55:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-10-16 15:55:15,209 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:15,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:15,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:55:15,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:15,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:15,212 INFO L85 PathProgramCache]: Analyzing trace with hash 973193521, now seen corresponding path program 1 times [2022-10-16 15:55:15,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:15,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345230105] [2022-10-16 15:55:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:15,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:15,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:15,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345230105] [2022-10-16 15:55:15,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345230105] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:15,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:15,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:15,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096170765] [2022-10-16 15:55:15,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:15,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:15,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:15,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:15,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:15,498 INFO L87 Difference]: Start difference. First operand 3863 states and 6287 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:16,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:16,136 INFO L93 Difference]: Finished difference Result 9516 states and 15383 transitions. [2022-10-16 15:55:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:16,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 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 200 [2022-10-16 15:55:16,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:16,178 INFO L225 Difference]: With dead ends: 9516 [2022-10-16 15:55:16,178 INFO L226 Difference]: Without dead ends: 6266 [2022-10-16 15:55:16,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:16,198 INFO L413 NwaCegarLoop]: 3912 mSDtfsCounter, 1369 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 6417 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:16,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 6417 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:55:16,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6266 states. [2022-10-16 15:55:16,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6266 to 6114. [2022-10-16 15:55:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6114 states, 5910 states have (on average 1.7179357021996615) internal successors, (10153), 6113 states have internal predecessors, (10153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6114 states to 6114 states and 10153 transitions. [2022-10-16 15:55:16,741 INFO L78 Accepts]: Start accepts. Automaton has 6114 states and 10153 transitions. Word has length 200 [2022-10-16 15:55:16,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:16,742 INFO L495 AbstractCegarLoop]: Abstraction has 6114 states and 10153 transitions. [2022-10-16 15:55:16,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 6114 states and 10153 transitions. [2022-10-16 15:55:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-16 15:55:16,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:16,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:16,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:55:16,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:16,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:16,748 INFO L85 PathProgramCache]: Analyzing trace with hash -94024111, now seen corresponding path program 1 times [2022-10-16 15:55:16,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:16,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032196640] [2022-10-16 15:55:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:16,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:16,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032196640] [2022-10-16 15:55:16,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032196640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:16,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:16,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:16,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115619938] [2022-10-16 15:55:16,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:16,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:16,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:16,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:16,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:16,960 INFO L87 Difference]: Start difference. First operand 6114 states and 10153 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:17,969 INFO L93 Difference]: Finished difference Result 15573 states and 25816 transitions. [2022-10-16 15:55:17,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:17,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2022-10-16 15:55:17,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:18,030 INFO L225 Difference]: With dead ends: 15573 [2022-10-16 15:55:18,030 INFO L226 Difference]: Without dead ends: 10095 [2022-10-16 15:55:18,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:18,043 INFO L413 NwaCegarLoop]: 3833 mSDtfsCounter, 1340 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 6282 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:18,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 6282 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10095 states. [2022-10-16 15:55:18,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10095 to 9945. [2022-10-16 15:55:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9945 states, 9743 states have (on average 1.7184645386431283) internal successors, (16743), 9944 states have internal predecessors, (16743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9945 states to 9945 states and 16743 transitions. [2022-10-16 15:55:19,047 INFO L78 Accepts]: Start accepts. Automaton has 9945 states and 16743 transitions. Word has length 207 [2022-10-16 15:55:19,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:19,048 INFO L495 AbstractCegarLoop]: Abstraction has 9945 states and 16743 transitions. [2022-10-16 15:55:19,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 9945 states and 16743 transitions. [2022-10-16 15:55:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-16 15:55:19,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:19,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:19,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:55:19,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:19,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:19,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1874392055, now seen corresponding path program 1 times [2022-10-16 15:55:19,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:19,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366201636] [2022-10-16 15:55:19,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:19,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:19,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:19,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366201636] [2022-10-16 15:55:19,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366201636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:19,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:19,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:19,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589923267] [2022-10-16 15:55:19,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:19,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:19,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:19,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:19,307 INFO L87 Difference]: Start difference. First operand 9945 states and 16743 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:20,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:20,612 INFO L93 Difference]: Finished difference Result 25686 states and 43269 transitions. [2022-10-16 15:55:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:20,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214 [2022-10-16 15:55:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:20,672 INFO L225 Difference]: With dead ends: 25686 [2022-10-16 15:55:20,672 INFO L226 Difference]: Without dead ends: 16400 [2022-10-16 15:55:20,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:20,695 INFO L413 NwaCegarLoop]: 3754 mSDtfsCounter, 1311 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 6148 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:20,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 6148 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:20,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16400 states. [2022-10-16 15:55:22,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16400 to 16252. [2022-10-16 15:55:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16252 states, 16052 states have (on average 1.7204709693496139) internal successors, (27617), 16251 states have internal predecessors, (27617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16252 states to 16252 states and 27617 transitions. [2022-10-16 15:55:22,185 INFO L78 Accepts]: Start accepts. Automaton has 16252 states and 27617 transitions. Word has length 214 [2022-10-16 15:55:22,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:22,186 INFO L495 AbstractCegarLoop]: Abstraction has 16252 states and 27617 transitions. [2022-10-16 15:55:22,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 16252 states and 27617 transitions. [2022-10-16 15:55:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-16 15:55:22,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:22,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:22,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:55:22,193 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:22,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:22,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1392034327, now seen corresponding path program 1 times [2022-10-16 15:55:22,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:22,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137772384] [2022-10-16 15:55:22,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:22,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:22,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:22,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137772384] [2022-10-16 15:55:22,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137772384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:22,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:22,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:22,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414172566] [2022-10-16 15:55:22,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:22,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:22,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:22,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:22,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:22,749 INFO L87 Difference]: Start difference. First operand 16252 states and 27617 transitions. Second operand has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:25,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:25,071 INFO L93 Difference]: Finished difference Result 23227 states and 39817 transitions. [2022-10-16 15:55:25,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:25,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 221 [2022-10-16 15:55:25,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:25,296 INFO L225 Difference]: With dead ends: 23227 [2022-10-16 15:55:25,296 INFO L226 Difference]: Without dead ends: 23218 [2022-10-16 15:55:25,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:25,305 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2490 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:25,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2490 Valid, 3151 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:55:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23218 states. [2022-10-16 15:55:27,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23218 to 23154. [2022-10-16 15:55:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23154 states, 22960 states have (on average 1.7243466898954705) internal successors, (39591), 23153 states have internal predecessors, (39591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23154 states to 23154 states and 39591 transitions. [2022-10-16 15:55:27,638 INFO L78 Accepts]: Start accepts. Automaton has 23154 states and 39591 transitions. Word has length 221 [2022-10-16 15:55:27,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:27,639 INFO L495 AbstractCegarLoop]: Abstraction has 23154 states and 39591 transitions. [2022-10-16 15:55:27,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:27,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23154 states and 39591 transitions. [2022-10-16 15:55:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-16 15:55:27,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:27,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:27,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:55:27,645 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:27,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:27,646 INFO L85 PathProgramCache]: Analyzing trace with hash -203390449, now seen corresponding path program 1 times [2022-10-16 15:55:27,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:27,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590609177] [2022-10-16 15:55:27,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:27,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:28,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:28,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590609177] [2022-10-16 15:55:28,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590609177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:28,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:28,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:28,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060171186] [2022-10-16 15:55:28,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:28,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:28,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:28,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:28,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:28,018 INFO L87 Difference]: Start difference. First operand 23154 states and 39591 transitions. Second operand has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:30,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:30,371 INFO L93 Difference]: Finished difference Result 23221 states and 39591 transitions. [2022-10-16 15:55:30,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:30,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 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 222 [2022-10-16 15:55:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:30,449 INFO L225 Difference]: With dead ends: 23221 [2022-10-16 15:55:30,450 INFO L226 Difference]: Without dead ends: 23212 [2022-10-16 15:55:30,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:30,464 INFO L413 NwaCegarLoop]: 2530 mSDtfsCounter, 2480 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 3154 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:30,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 3154 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:55:30,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23212 states. [2022-10-16 15:55:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23212 to 23148. [2022-10-16 15:55:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23148 states, 22960 states have (on average 1.7145034843205575) internal successors, (39365), 23147 states have internal predecessors, (39365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23148 states to 23148 states and 39365 transitions. [2022-10-16 15:55:32,566 INFO L78 Accepts]: Start accepts. Automaton has 23148 states and 39365 transitions. Word has length 222 [2022-10-16 15:55:32,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:32,567 INFO L495 AbstractCegarLoop]: Abstraction has 23148 states and 39365 transitions. [2022-10-16 15:55:32,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 23148 states and 39365 transitions. [2022-10-16 15:55:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-16 15:55:32,573 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:32,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:32,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:55:32,574 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2010135893, now seen corresponding path program 1 times [2022-10-16 15:55:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160641726] [2022-10-16 15:55:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:32,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:32,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160641726] [2022-10-16 15:55:32,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160641726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:32,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:32,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:32,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398279788] [2022-10-16 15:55:32,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:32,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:32,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:32,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:32,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:32,965 INFO L87 Difference]: Start difference. First operand 23148 states and 39365 transitions. Second operand has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:35,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:35,423 INFO L93 Difference]: Finished difference Result 29065 states and 49621 transitions. [2022-10-16 15:55:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:35,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2022-10-16 15:55:35,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:35,509 INFO L225 Difference]: With dead ends: 29065 [2022-10-16 15:55:35,510 INFO L226 Difference]: Without dead ends: 29056 [2022-10-16 15:55:35,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:35,521 INFO L413 NwaCegarLoop]: 2511 mSDtfsCounter, 2468 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2468 SdHoareTripleChecker+Valid, 3127 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:35,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2468 Valid, 3127 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:55:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29056 states. [2022-10-16 15:55:37,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29056 to 28998. [2022-10-16 15:55:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28998 states, 28816 states have (on average 1.7141518600777346) internal successors, (49395), 28997 states have internal predecessors, (49395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28998 states to 28998 states and 49395 transitions. [2022-10-16 15:55:37,500 INFO L78 Accepts]: Start accepts. Automaton has 28998 states and 49395 transitions. Word has length 223 [2022-10-16 15:55:37,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:37,500 INFO L495 AbstractCegarLoop]: Abstraction has 28998 states and 49395 transitions. [2022-10-16 15:55:37,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 28998 states and 49395 transitions. [2022-10-16 15:55:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-10-16 15:55:37,505 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:37,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:37,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:55:37,506 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:37,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:37,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2110297489, now seen corresponding path program 1 times [2022-10-16 15:55:37,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:37,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142652311] [2022-10-16 15:55:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:37,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:37,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:37,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142652311] [2022-10-16 15:55:37,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142652311] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:37,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:37,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:37,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123860117] [2022-10-16 15:55:37,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:37,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:37,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:37,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:37,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:37,924 INFO L87 Difference]: Start difference. First operand 28998 states and 49395 transitions. Second operand has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:40,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:40,627 INFO L93 Difference]: Finished difference Result 29059 states and 49395 transitions. [2022-10-16 15:55:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:40,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2022-10-16 15:55:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:40,689 INFO L225 Difference]: With dead ends: 29059 [2022-10-16 15:55:40,689 INFO L226 Difference]: Without dead ends: 29050 [2022-10-16 15:55:40,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:40,702 INFO L413 NwaCegarLoop]: 2514 mSDtfsCounter, 2458 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:40,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2458 Valid, 3130 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:55:40,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29050 states. [2022-10-16 15:55:42,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29050 to 28992. [2022-10-16 15:55:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28992 states, 28816 states have (on average 1.7063089950027763) internal successors, (49169), 28991 states have internal predecessors, (49169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:42,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28992 states to 28992 states and 49169 transitions. [2022-10-16 15:55:42,710 INFO L78 Accepts]: Start accepts. Automaton has 28992 states and 49169 transitions. Word has length 224 [2022-10-16 15:55:42,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:42,711 INFO L495 AbstractCegarLoop]: Abstraction has 28992 states and 49169 transitions. [2022-10-16 15:55:42,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:42,711 INFO L276 IsEmpty]: Start isEmpty. Operand 28992 states and 49169 transitions. [2022-10-16 15:55:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 15:55:42,715 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:42,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:42,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:55:42,716 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:42,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:42,717 INFO L85 PathProgramCache]: Analyzing trace with hash 994713453, now seen corresponding path program 1 times [2022-10-16 15:55:42,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:42,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688601517] [2022-10-16 15:55:42,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:42,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:43,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:43,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688601517] [2022-10-16 15:55:43,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688601517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:43,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:43,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:43,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147281004] [2022-10-16 15:55:43,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:43,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:43,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:43,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:43,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:43,144 INFO L87 Difference]: Start difference. First operand 28992 states and 49169 transitions. Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:45,566 INFO L93 Difference]: Finished difference Result 34607 states and 58737 transitions. [2022-10-16 15:55:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:45,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-10-16 15:55:45,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:45,791 INFO L225 Difference]: With dead ends: 34607 [2022-10-16 15:55:45,791 INFO L226 Difference]: Without dead ends: 34598 [2022-10-16 15:55:45,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:45,801 INFO L413 NwaCegarLoop]: 2496 mSDtfsCounter, 2446 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:45,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 3104 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:55:45,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34598 states. [2022-10-16 15:55:48,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34598 to 34546. [2022-10-16 15:55:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34546 states, 34376 states have (on average 1.7020886665115196) internal successors, (58511), 34545 states have internal predecessors, (58511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:48,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34546 states to 34546 states and 58511 transitions. [2022-10-16 15:55:48,595 INFO L78 Accepts]: Start accepts. Automaton has 34546 states and 58511 transitions. Word has length 225 [2022-10-16 15:55:48,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:48,595 INFO L495 AbstractCegarLoop]: Abstraction has 34546 states and 58511 transitions. [2022-10-16 15:55:48,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 34546 states and 58511 transitions. [2022-10-16 15:55:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-16 15:55:48,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:48,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:48,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:55:48,601 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:48,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:48,602 INFO L85 PathProgramCache]: Analyzing trace with hash 771346707, now seen corresponding path program 1 times [2022-10-16 15:55:48,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:48,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059131531] [2022-10-16 15:55:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:48,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:49,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:49,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059131531] [2022-10-16 15:55:49,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059131531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:49,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:49,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:49,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872341400] [2022-10-16 15:55:49,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:49,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:49,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:49,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:49,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:49,033 INFO L87 Difference]: Start difference. First operand 34546 states and 58511 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:52,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:52,104 INFO L93 Difference]: Finished difference Result 34601 states and 58511 transitions. [2022-10-16 15:55:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:52,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 226 [2022-10-16 15:55:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:52,159 INFO L225 Difference]: With dead ends: 34601 [2022-10-16 15:55:52,160 INFO L226 Difference]: Without dead ends: 34592 [2022-10-16 15:55:52,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:52,172 INFO L413 NwaCegarLoop]: 2499 mSDtfsCounter, 2436 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 3107 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:52,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 3107 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:55:52,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34592 states. [2022-10-16 15:55:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34592 to 34540. [2022-10-16 15:55:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34540 states, 34376 states have (on average 1.6955143123109147) internal successors, (58285), 34539 states have internal predecessors, (58285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34540 states to 34540 states and 58285 transitions. [2022-10-16 15:55:54,895 INFO L78 Accepts]: Start accepts. Automaton has 34540 states and 58285 transitions. Word has length 226 [2022-10-16 15:55:54,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:54,896 INFO L495 AbstractCegarLoop]: Abstraction has 34540 states and 58285 transitions. [2022-10-16 15:55:54,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 34540 states and 58285 transitions. [2022-10-16 15:55:54,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-10-16 15:55:54,904 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:54,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:54,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:55:54,905 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:55:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:54,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1858055121, now seen corresponding path program 1 times [2022-10-16 15:55:54,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:54,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219030837] [2022-10-16 15:55:54,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:54,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:55,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:55,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219030837] [2022-10-16 15:55:55,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219030837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:55,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:55,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:55,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539540120] [2022-10-16 15:55:55,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:55,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:55,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:55,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:55,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:55,310 INFO L87 Difference]: Start difference. First operand 34540 states and 58285 transitions. Second operand has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:59,670 INFO L93 Difference]: Finished difference Result 48487 states and 81549 transitions. [2022-10-16 15:55:59,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:59,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 227 [2022-10-16 15:55:59,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:59,731 INFO L225 Difference]: With dead ends: 48487 [2022-10-16 15:55:59,732 INFO L226 Difference]: Without dead ends: 48478 [2022-10-16 15:55:59,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:59,741 INFO L413 NwaCegarLoop]: 2466 mSDtfsCounter, 2442 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 3022 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:59,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2442 Valid, 3022 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:55:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48478 states. [2022-10-16 15:56:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48478 to 48452. [2022-10-16 15:56:03,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48452 states, 48296 states have (on average 1.6778822262713269) internal successors, (81035), 48451 states have internal predecessors, (81035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48452 states to 48452 states and 81035 transitions. [2022-10-16 15:56:03,923 INFO L78 Accepts]: Start accepts. Automaton has 48452 states and 81035 transitions. Word has length 227 [2022-10-16 15:56:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:03,923 INFO L495 AbstractCegarLoop]: Abstraction has 48452 states and 81035 transitions. [2022-10-16 15:56:03,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 48452 states and 81035 transitions. [2022-10-16 15:56:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-10-16 15:56:03,927 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:03,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:03,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:56:03,927 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:56:03,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:03,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1765133163, now seen corresponding path program 1 times [2022-10-16 15:56:03,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:03,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723311103] [2022-10-16 15:56:03,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:03,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:04,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:04,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723311103] [2022-10-16 15:56:04,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723311103] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:04,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:04,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:56:04,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142139568] [2022-10-16 15:56:04,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:04,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:04,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:04,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:04,328 INFO L87 Difference]: Start difference. First operand 48452 states and 81035 transitions. Second operand has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:10,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:10,823 INFO L93 Difference]: Finished difference Result 73484 states and 123877 transitions. [2022-10-16 15:56:10,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:10,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 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 228 [2022-10-16 15:56:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:10,955 INFO L225 Difference]: With dead ends: 73484 [2022-10-16 15:56:10,955 INFO L226 Difference]: Without dead ends: 73475 [2022-10-16 15:56:10,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:10,982 INFO L413 NwaCegarLoop]: 2481 mSDtfsCounter, 2432 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 3081 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:10,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 3081 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:56:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73475 states. [2022-10-16 15:56:17,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73475 to 73411. [2022-10-16 15:56:17,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73411 states, 73261 states have (on average 1.6821364709736422) internal successors, (123235), 73410 states have internal predecessors, (123235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73411 states to 73411 states and 123235 transitions. [2022-10-16 15:56:18,168 INFO L78 Accepts]: Start accepts. Automaton has 73411 states and 123235 transitions. Word has length 228 [2022-10-16 15:56:18,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:18,169 INFO L495 AbstractCegarLoop]: Abstraction has 73411 states and 123235 transitions. [2022-10-16 15:56:18,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 73411 states and 123235 transitions. [2022-10-16 15:56:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-16 15:56:18,172 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:18,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:18,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:56:18,173 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:56:18,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:18,173 INFO L85 PathProgramCache]: Analyzing trace with hash 219136055, now seen corresponding path program 1 times [2022-10-16 15:56:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:18,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409511317] [2022-10-16 15:56:18,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:18,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:18,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:18,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409511317] [2022-10-16 15:56:18,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409511317] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:18,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:18,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:56:18,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907145621] [2022-10-16 15:56:18,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:18,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:18,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:18,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:18,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:18,436 INFO L87 Difference]: Start difference. First operand 73411 states and 123235 transitions. Second operand has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:30,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:30,077 INFO L93 Difference]: Finished difference Result 121494 states and 203223 transitions. [2022-10-16 15:56:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:30,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-10-16 15:56:30,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:30,303 INFO L225 Difference]: With dead ends: 121494 [2022-10-16 15:56:30,303 INFO L226 Difference]: Without dead ends: 121490 [2022-10-16 15:56:30,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:30,333 INFO L413 NwaCegarLoop]: 2458 mSDtfsCounter, 2435 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2435 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:30,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2435 Valid, 3021 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:56:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121490 states. [2022-10-16 15:56:42,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121490 to 121270. [2022-10-16 15:56:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121270 states, 121123 states have (on average 1.6720028400881748) internal successors, (202518), 121269 states have internal predecessors, (202518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121270 states to 121270 states and 202518 transitions. [2022-10-16 15:56:43,650 INFO L78 Accepts]: Start accepts. Automaton has 121270 states and 202518 transitions. Word has length 230 [2022-10-16 15:56:43,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:43,650 INFO L495 AbstractCegarLoop]: Abstraction has 121270 states and 202518 transitions. [2022-10-16 15:56:43,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:43,651 INFO L276 IsEmpty]: Start isEmpty. Operand 121270 states and 202518 transitions. [2022-10-16 15:56:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-16 15:56:43,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:43,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:43,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:56:43,653 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:56:43,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:43,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1796716140, now seen corresponding path program 1 times [2022-10-16 15:56:43,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:43,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576394964] [2022-10-16 15:56:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:43,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:43,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:43,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576394964] [2022-10-16 15:56:43,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576394964] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:43,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:43,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:56:43,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168569904] [2022-10-16 15:56:43,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:43,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:43,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:43,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:43,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:43,946 INFO L87 Difference]: Start difference. First operand 121270 states and 202518 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:06,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:06,033 INFO L93 Difference]: Finished difference Result 217896 states and 365156 transitions. [2022-10-16 15:57:06,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:57:06,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2022-10-16 15:57:06,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:06,706 INFO L225 Difference]: With dead ends: 217896 [2022-10-16 15:57:06,707 INFO L226 Difference]: Without dead ends: 217892 [2022-10-16 15:57:06,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:57:06,786 INFO L413 NwaCegarLoop]: 2459 mSDtfsCounter, 2430 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:06,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2430 Valid, 3054 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:57:06,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217892 states. [2022-10-16 15:57:30,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217892 to 217634. [2022-10-16 15:57:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217634 states, 217490 states have (on average 1.674536760310819) internal successors, (364195), 217633 states have internal predecessors, (364195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217634 states to 217634 states and 364195 transitions. [2022-10-16 15:57:31,052 INFO L78 Accepts]: Start accepts. Automaton has 217634 states and 364195 transitions. Word has length 231 [2022-10-16 15:57:31,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:31,052 INFO L495 AbstractCegarLoop]: Abstraction has 217634 states and 364195 transitions. [2022-10-16 15:57:31,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:31,052 INFO L276 IsEmpty]: Start isEmpty. Operand 217634 states and 364195 transitions. [2022-10-16 15:57:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-16 15:57:31,055 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:31,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:31,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:57:31,055 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:57:31,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:31,056 INFO L85 PathProgramCache]: Analyzing trace with hash -67333546, now seen corresponding path program 1 times [2022-10-16 15:57:31,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:31,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038340806] [2022-10-16 15:57:31,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:31,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:57:31,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:31,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038340806] [2022-10-16 15:57:31,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038340806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:31,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:31,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:57:31,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793201097] [2022-10-16 15:57:31,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:31,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:57:31,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:31,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:57:31,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:57:31,893 INFO L87 Difference]: Start difference. First operand 217634 states and 364195 transitions. Second operand has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:14,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:14,835 INFO L93 Difference]: Finished difference Result 395079 states and 658843 transitions. [2022-10-16 15:58:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:58:14,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-10-16 15:58:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:16,135 INFO L225 Difference]: With dead ends: 395079 [2022-10-16 15:58:16,135 INFO L226 Difference]: Without dead ends: 395075 [2022-10-16 15:58:16,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:58:16,382 INFO L413 NwaCegarLoop]: 2460 mSDtfsCounter, 2426 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2426 SdHoareTripleChecker+Valid, 2968 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:16,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2426 Valid, 2968 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:58:16,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395075 states.