/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:09:48,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:09:48,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:09:48,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:09:48,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:09:48,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:09:48,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:09:48,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:09:48,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:09:48,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:09:48,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:09:48,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:09:48,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:09:48,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:09:48,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:09:48,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:09:48,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:09:48,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:09:48,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:09:48,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:09:48,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:09:48,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:09:48,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:09:48,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:09:48,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:09:48,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:09:48,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:09:48,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:09:48,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:09:48,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:09:48,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:09:48,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:09:48,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:09:48,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:09:48,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:09:48,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:09:48,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:09:48,447 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:09:48,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:09:48,448 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:09:48,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:09:48,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:09:48,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:09:48,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:09:48,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:09:48,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:09:48,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:09:48,450 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:09:48,450 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:09:48,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:09:48,450 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:09:48,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:09:48,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:09:48,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:09:48,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:09:48,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:48,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:09:48,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:09:48,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:09:48,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:09:48,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:09:48,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:09:48,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:09:48,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:09:48,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:09:48,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:09:48,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:09:48,858 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:09:48,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 22:09:48,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c8148dd/f7e3064b309d4dfa9111b80c08da88fd/FLAGa34b8eb33 [2022-10-15 22:09:49,620 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:09:49,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 22:09:49,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c8148dd/f7e3064b309d4dfa9111b80c08da88fd/FLAGa34b8eb33 [2022-10-15 22:09:49,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c8148dd/f7e3064b309d4dfa9111b80c08da88fd [2022-10-15 22:09:49,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:09:49,938 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:09:49,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:49,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:09:49,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:09:49,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:49" (1/1) ... [2022-10-15 22:09:49,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62558489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:49, skipping insertion in model container [2022-10-15 22:09:49,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:49" (1/1) ... [2022-10-15 22:09:49,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:09:50,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:09:50,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7471,7484] [2022-10-15 22:09:50,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:50,432 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:09:50,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7471,7484] [2022-10-15 22:09:50,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:50,567 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:09:50,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50 WrapperNode [2022-10-15 22:09:50,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:50,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:50,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:09:50,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:09:50,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,657 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 606 [2022-10-15 22:09:50,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:50,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:09:50,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:09:50,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:09:50,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:09:50,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:09:50,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:09:50,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:09:50,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (1/1) ... [2022-10-15 22:09:50,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:50,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:09:50,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:09:50,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:09:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:09:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:09:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:09:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:09:51,107 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:09:51,109 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:09:51,966 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:09:51,993 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:09:51,993 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:09:51,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:09:51 BoogieIcfgContainer [2022-10-15 22:09:51,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:09:52,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:09:52,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:09:52,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:09:52,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:09:49" (1/3) ... [2022-10-15 22:09:52,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fefc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:09:52, skipping insertion in model container [2022-10-15 22:09:52,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:50" (2/3) ... [2022-10-15 22:09:52,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fefc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:09:52, skipping insertion in model container [2022-10-15 22:09:52,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:09:51" (3/3) ... [2022-10-15 22:09:52,010 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 22:09:52,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:09:52,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-15 22:09:52,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:09:52,108 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;@35b20369, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:09:52,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-15 22:09:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 177 states have (on average 1.7627118644067796) internal successors, (312), 209 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:09:52,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:52,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:09:52,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:52,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:52,130 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:09:52,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:52,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036595633] [2022-10-15 22:09:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:52,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:52,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036595633] [2022-10-15 22:09:52,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036595633] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:52,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:52,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:09:52,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916677706] [2022-10-15 22:09:52,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:52,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:09:52,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:52,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:09:52,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:09:52,396 INFO L87 Difference]: Start difference. First operand has 210 states, 177 states have (on average 1.7627118644067796) internal successors, (312), 209 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:52,435 INFO L93 Difference]: Finished difference Result 213 states and 314 transitions. [2022-10-15 22:09:52,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:09:52,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-15 22:09:52,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:52,453 INFO L225 Difference]: With dead ends: 213 [2022-10-15 22:09:52,453 INFO L226 Difference]: Without dead ends: 203 [2022-10-15 22:09:52,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:09:52,462 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:52,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:52,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-10-15 22:09:52,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-10-15 22:09:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 175 states have (on average 1.5257142857142858) internal successors, (267), 202 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 267 transitions. [2022-10-15 22:09:52,528 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 267 transitions. Word has length 4 [2022-10-15 22:09:52,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:52,529 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 267 transitions. [2022-10-15 22:09:52,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:52,530 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 267 transitions. [2022-10-15 22:09:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 22:09:52,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:52,531 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] [2022-10-15 22:09:52,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:09:52,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:52,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1960375215, now seen corresponding path program 1 times [2022-10-15 22:09:52,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:52,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125175380] [2022-10-15 22:09:52,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:52,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:52,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:52,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:52,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125175380] [2022-10-15 22:09:52,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125175380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:52,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:52,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:52,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116666604] [2022-10-15 22:09:52,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:52,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:52,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:52,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:52,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:52,964 INFO L87 Difference]: Start difference. First operand 203 states and 267 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:53,268 INFO L93 Difference]: Finished difference Result 448 states and 611 transitions. [2022-10-15 22:09:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:53,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-15 22:09:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:53,279 INFO L225 Difference]: With dead ends: 448 [2022-10-15 22:09:53,280 INFO L226 Difference]: Without dead ends: 444 [2022-10-15 22:09:53,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:53,284 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 634 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:53,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 670 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:53,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-10-15 22:09:53,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 309. [2022-10-15 22:09:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 282 states have (on average 1.5602836879432624) internal successors, (440), 308 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 440 transitions. [2022-10-15 22:09:53,367 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 440 transitions. Word has length 37 [2022-10-15 22:09:53,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:53,368 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 440 transitions. [2022-10-15 22:09:53,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 440 transitions. [2022-10-15 22:09:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 22:09:53,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:53,370 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] [2022-10-15 22:09:53,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:09:53,370 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:53,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:53,371 INFO L85 PathProgramCache]: Analyzing trace with hash -642089366, now seen corresponding path program 1 times [2022-10-15 22:09:53,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:53,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133308700] [2022-10-15 22:09:53,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:53,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:53,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:53,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133308700] [2022-10-15 22:09:53,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133308700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:53,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:53,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:53,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949541932] [2022-10-15 22:09:53,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:53,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:53,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:53,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:53,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:53,544 INFO L87 Difference]: Start difference. First operand 309 states and 440 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:53,672 INFO L93 Difference]: Finished difference Result 427 states and 607 transitions. [2022-10-15 22:09:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:53,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-15 22:09:53,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:53,675 INFO L225 Difference]: With dead ends: 427 [2022-10-15 22:09:53,676 INFO L226 Difference]: Without dead ends: 423 [2022-10-15 22:09:53,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:53,678 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 635 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:53,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 388 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:09:53,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-10-15 22:09:53,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 409. [2022-10-15 22:09:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 383 states have (on average 1.566579634464752) internal successors, (600), 408 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 600 transitions. [2022-10-15 22:09:53,714 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 600 transitions. Word has length 38 [2022-10-15 22:09:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:53,715 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 600 transitions. [2022-10-15 22:09:53,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 600 transitions. [2022-10-15 22:09:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 22:09:53,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:53,721 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] [2022-10-15 22:09:53,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:09:53,722 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:53,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1570066291, now seen corresponding path program 1 times [2022-10-15 22:09:53,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:53,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482411774] [2022-10-15 22:09:53,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:53,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:53,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:53,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482411774] [2022-10-15 22:09:53,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482411774] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:53,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:53,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:53,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528874678] [2022-10-15 22:09:53,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:53,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:53,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:53,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:53,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:53,844 INFO L87 Difference]: Start difference. First operand 409 states and 600 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:54,097 INFO L93 Difference]: Finished difference Result 864 states and 1251 transitions. [2022-10-15 22:09:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:09:54,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-15 22:09:54,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:54,102 INFO L225 Difference]: With dead ends: 864 [2022-10-15 22:09:54,103 INFO L226 Difference]: Without dead ends: 643 [2022-10-15 22:09:54,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:09:54,106 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1020 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:54,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1062 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:54,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-10-15 22:09:54,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 503. [2022-10-15 22:09:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 478 states have (on average 1.5564853556485356) internal successors, (744), 502 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 744 transitions. [2022-10-15 22:09:54,147 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 744 transitions. Word has length 39 [2022-10-15 22:09:54,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:54,148 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 744 transitions. [2022-10-15 22:09:54,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 744 transitions. [2022-10-15 22:09:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 22:09:54,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:54,150 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] [2022-10-15 22:09:54,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:09:54,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:54,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:54,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1427414924, now seen corresponding path program 1 times [2022-10-15 22:09:54,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:54,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819776889] [2022-10-15 22:09:54,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:54,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:54,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:54,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819776889] [2022-10-15 22:09:54,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819776889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:54,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:54,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:54,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140568842] [2022-10-15 22:09:54,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:54,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:54,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:54,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:54,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:54,319 INFO L87 Difference]: Start difference. First operand 503 states and 744 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:54,593 INFO L93 Difference]: Finished difference Result 701 states and 1012 transitions. [2022-10-15 22:09:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:09:54,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-15 22:09:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:54,601 INFO L225 Difference]: With dead ends: 701 [2022-10-15 22:09:54,602 INFO L226 Difference]: Without dead ends: 697 [2022-10-15 22:09:54,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:09:54,607 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 1154 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:54,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 706 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:54,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2022-10-15 22:09:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 666. [2022-10-15 22:09:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 642 states have (on average 1.557632398753894) internal successors, (1000), 665 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1000 transitions. [2022-10-15 22:09:54,666 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1000 transitions. Word has length 40 [2022-10-15 22:09:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:54,667 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 1000 transitions. [2022-10-15 22:09:54,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1000 transitions. [2022-10-15 22:09:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-15 22:09:54,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:54,674 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] [2022-10-15 22:09:54,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:09:54,675 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:54,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1940790865, now seen corresponding path program 1 times [2022-10-15 22:09:54,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:54,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368801759] [2022-10-15 22:09:54,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:54,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:54,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:54,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368801759] [2022-10-15 22:09:54,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368801759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:54,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:54,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:54,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217626194] [2022-10-15 22:09:54,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:54,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:54,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:54,804 INFO L87 Difference]: Start difference. First operand 666 states and 1000 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:54,866 INFO L93 Difference]: Finished difference Result 666 states and 1000 transitions. [2022-10-15 22:09:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:54,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-10-15 22:09:54,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:54,872 INFO L225 Difference]: With dead ends: 666 [2022-10-15 22:09:54,872 INFO L226 Difference]: Without dead ends: 664 [2022-10-15 22:09:54,873 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 [2022-10-15 22:09:54,874 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 26 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:54,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 456 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:54,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2022-10-15 22:09:54,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2022-10-15 22:09:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 642 states have (on average 1.5545171339563864) internal successors, (998), 663 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 998 transitions. [2022-10-15 22:09:54,924 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 998 transitions. Word has length 44 [2022-10-15 22:09:54,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:54,924 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 998 transitions. [2022-10-15 22:09:54,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 998 transitions. [2022-10-15 22:09:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:09:54,926 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:54,926 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] [2022-10-15 22:09:54,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:09:54,927 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:54,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1741269674, now seen corresponding path program 1 times [2022-10-15 22:09:54,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:54,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089829145] [2022-10-15 22:09:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:54,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:55,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:55,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089829145] [2022-10-15 22:09:55,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089829145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:55,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:55,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:55,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49997985] [2022-10-15 22:09:55,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:55,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:55,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:55,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:55,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:55,014 INFO L87 Difference]: Start difference. First operand 664 states and 998 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:55,092 INFO L93 Difference]: Finished difference Result 664 states and 998 transitions. [2022-10-15 22:09:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-10-15 22:09:55,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:55,097 INFO L225 Difference]: With dead ends: 664 [2022-10-15 22:09:55,097 INFO L226 Difference]: Without dead ends: 661 [2022-10-15 22:09:55,098 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 [2022-10-15 22:09:55,099 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 208 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:55,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 244 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:55,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2022-10-15 22:09:55,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2022-10-15 22:09:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 642 states have (on average 1.5358255451713396) internal successors, (986), 660 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 986 transitions. [2022-10-15 22:09:55,148 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 986 transitions. Word has length 48 [2022-10-15 22:09:55,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:55,149 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 986 transitions. [2022-10-15 22:09:55,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 986 transitions. [2022-10-15 22:09:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 22:09:55,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:55,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:55,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:09:55,151 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:55,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:55,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1855215138, now seen corresponding path program 1 times [2022-10-15 22:09:55,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:55,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217054836] [2022-10-15 22:09:55,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:55,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:55,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:55,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217054836] [2022-10-15 22:09:55,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217054836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:55,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:55,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:55,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151378170] [2022-10-15 22:09:55,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:55,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:55,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:55,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:55,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:55,237 INFO L87 Difference]: Start difference. First operand 661 states and 986 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:55,305 INFO L93 Difference]: Finished difference Result 661 states and 986 transitions. [2022-10-15 22:09:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:55,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-15 22:09:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:55,309 INFO L225 Difference]: With dead ends: 661 [2022-10-15 22:09:55,310 INFO L226 Difference]: Without dead ends: 658 [2022-10-15 22:09:55,310 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 [2022-10-15 22:09:55,311 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 204 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:55,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 244 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:55,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-10-15 22:09:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2022-10-15 22:09:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 642 states have (on average 1.517133956386293) internal successors, (974), 657 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 974 transitions. [2022-10-15 22:09:55,372 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 974 transitions. Word has length 49 [2022-10-15 22:09:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:55,372 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 974 transitions. [2022-10-15 22:09:55,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 974 transitions. [2022-10-15 22:09:55,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:09:55,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:55,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:55,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:09:55,374 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:55,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:55,375 INFO L85 PathProgramCache]: Analyzing trace with hash 240129149, now seen corresponding path program 1 times [2022-10-15 22:09:55,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:55,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699210625] [2022-10-15 22:09:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:55,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:55,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:55,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699210625] [2022-10-15 22:09:55,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699210625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:55,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:55,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:55,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687522184] [2022-10-15 22:09:55,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:55,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:55,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:55,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:55,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:55,465 INFO L87 Difference]: Start difference. First operand 658 states and 974 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:55,669 INFO L93 Difference]: Finished difference Result 1780 states and 2650 transitions. [2022-10-15 22:09:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:55,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:09:55,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:55,677 INFO L225 Difference]: With dead ends: 1780 [2022-10-15 22:09:55,677 INFO L226 Difference]: Without dead ends: 1188 [2022-10-15 22:09:55,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:55,681 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 170 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:55,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 490 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:55,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-10-15 22:09:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1173. [2022-10-15 22:09:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1157 states have (on average 1.497839239412273) internal successors, (1733), 1172 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1733 transitions. [2022-10-15 22:09:55,808 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1733 transitions. Word has length 61 [2022-10-15 22:09:55,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:55,809 INFO L495 AbstractCegarLoop]: Abstraction has 1173 states and 1733 transitions. [2022-10-15 22:09:55,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1733 transitions. [2022-10-15 22:09:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:09:55,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:55,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:55,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:09:55,811 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:55,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:55,812 INFO L85 PathProgramCache]: Analyzing trace with hash 613530238, now seen corresponding path program 1 times [2022-10-15 22:09:55,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:55,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337531962] [2022-10-15 22:09:55,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:55,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:55,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:55,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337531962] [2022-10-15 22:09:55,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337531962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:55,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:55,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:55,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036796954] [2022-10-15 22:09:55,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:55,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:55,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:55,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:55,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:55,895 INFO L87 Difference]: Start difference. First operand 1173 states and 1733 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:56,156 INFO L93 Difference]: Finished difference Result 3111 states and 4612 transitions. [2022-10-15 22:09:56,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:09:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:56,168 INFO L225 Difference]: With dead ends: 3111 [2022-10-15 22:09:56,168 INFO L226 Difference]: Without dead ends: 2054 [2022-10-15 22:09:56,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:56,171 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 175 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:56,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 488 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2022-10-15 22:09:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2038. [2022-10-15 22:09:56,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 2022 states have (on average 1.4821958456973294) internal successors, (2997), 2037 states have internal predecessors, (2997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2997 transitions. [2022-10-15 22:09:56,420 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2997 transitions. Word has length 61 [2022-10-15 22:09:56,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:56,420 INFO L495 AbstractCegarLoop]: Abstraction has 2038 states and 2997 transitions. [2022-10-15 22:09:56,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2997 transitions. [2022-10-15 22:09:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:09:56,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:56,422 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] [2022-10-15 22:09:56,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:09:56,424 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:56,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:56,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1995409707, now seen corresponding path program 1 times [2022-10-15 22:09:56,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:56,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485724147] [2022-10-15 22:09:56,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:56,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:56,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:56,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485724147] [2022-10-15 22:09:56,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485724147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:56,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:56,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:56,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838048556] [2022-10-15 22:09:56,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:56,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:56,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:56,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:56,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:56,620 INFO L87 Difference]: Start difference. First operand 2038 states and 2997 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:56,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:56,981 INFO L93 Difference]: Finished difference Result 2606 states and 3836 transitions. [2022-10-15 22:09:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:56,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-15 22:09:56,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:56,997 INFO L225 Difference]: With dead ends: 2606 [2022-10-15 22:09:56,997 INFO L226 Difference]: Without dead ends: 2603 [2022-10-15 22:09:56,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:56,999 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 340 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:56,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 723 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:09:57,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-10-15 22:09:57,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2298. [2022-10-15 22:09:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2298 states, 2282 states have (on average 1.4864154250657318) internal successors, (3392), 2297 states have internal predecessors, (3392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 2298 states and 3392 transitions. [2022-10-15 22:09:57,255 INFO L78 Accepts]: Start accepts. Automaton has 2298 states and 3392 transitions. Word has length 62 [2022-10-15 22:09:57,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:57,255 INFO L495 AbstractCegarLoop]: Abstraction has 2298 states and 3392 transitions. [2022-10-15 22:09:57,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 3392 transitions. [2022-10-15 22:09:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:09:57,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:57,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:57,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:09:57,258 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:57,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:57,258 INFO L85 PathProgramCache]: Analyzing trace with hash 880230887, now seen corresponding path program 1 times [2022-10-15 22:09:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:57,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459759238] [2022-10-15 22:09:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:57,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:57,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:57,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459759238] [2022-10-15 22:09:57,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459759238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:57,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:57,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:57,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030124489] [2022-10-15 22:09:57,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:57,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:57,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:57,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:57,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:57,378 INFO L87 Difference]: Start difference. First operand 2298 states and 3392 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:57,753 INFO L93 Difference]: Finished difference Result 3094 states and 4578 transitions. [2022-10-15 22:09:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 22:09:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:57,770 INFO L225 Difference]: With dead ends: 3094 [2022-10-15 22:09:57,771 INFO L226 Difference]: Without dead ends: 3091 [2022-10-15 22:09:57,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:57,776 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 367 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:57,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 701 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:09:57,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3091 states. [2022-10-15 22:09:58,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3091 to 2937. [2022-10-15 22:09:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2921 states have (on average 1.4946935980828484) internal successors, (4366), 2936 states have internal predecessors, (4366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 4366 transitions. [2022-10-15 22:09:58,082 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 4366 transitions. Word has length 63 [2022-10-15 22:09:58,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:58,082 INFO L495 AbstractCegarLoop]: Abstraction has 2937 states and 4366 transitions. [2022-10-15 22:09:58,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 4366 transitions. [2022-10-15 22:09:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:09:58,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:58,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:58,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:09:58,085 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:58,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:58,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1565261121, now seen corresponding path program 1 times [2022-10-15 22:09:58,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:58,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514913450] [2022-10-15 22:09:58,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:58,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:58,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514913450] [2022-10-15 22:09:58,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514913450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:58,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:58,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:58,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403431669] [2022-10-15 22:09:58,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:58,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:58,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:58,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:58,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:58,167 INFO L87 Difference]: Start difference. First operand 2937 states and 4366 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:58,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:58,763 INFO L93 Difference]: Finished difference Result 7914 states and 11761 transitions. [2022-10-15 22:09:58,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:58,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 22:09:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:58,793 INFO L225 Difference]: With dead ends: 7914 [2022-10-15 22:09:58,793 INFO L226 Difference]: Without dead ends: 5201 [2022-10-15 22:09:58,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:58,799 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 162 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:58,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 506 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5201 states. [2022-10-15 22:09:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5201 to 5185. [2022-10-15 22:09:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 5169 states have (on average 1.4708841168504547) internal successors, (7603), 5184 states have internal predecessors, (7603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7603 transitions. [2022-10-15 22:09:59,374 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7603 transitions. Word has length 63 [2022-10-15 22:09:59,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:59,375 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7603 transitions. [2022-10-15 22:09:59,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7603 transitions. [2022-10-15 22:09:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:09:59,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:59,377 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] [2022-10-15 22:09:59,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:09:59,378 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:09:59,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:59,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1517353948, now seen corresponding path program 1 times [2022-10-15 22:09:59,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:59,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133517484] [2022-10-15 22:09:59,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:59,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:59,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:59,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133517484] [2022-10-15 22:09:59,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133517484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:59,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:59,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:59,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139278962] [2022-10-15 22:09:59,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:59,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:59,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:59,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:59,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:59,490 INFO L87 Difference]: Start difference. First operand 5185 states and 7603 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:00,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:00,152 INFO L93 Difference]: Finished difference Result 5195 states and 7603 transitions. [2022-10-15 22:10:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:00,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-15 22:10:00,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:00,180 INFO L225 Difference]: With dead ends: 5195 [2022-10-15 22:10:00,181 INFO L226 Difference]: Without dead ends: 5192 [2022-10-15 22:10:00,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:00,184 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 366 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:00,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 563 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:00,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-10-15 22:10:00,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 4585. [2022-10-15 22:10:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4585 states, 4572 states have (on average 1.4569116360454943) internal successors, (6661), 4584 states have internal predecessors, (6661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 4585 states and 6661 transitions. [2022-10-15 22:10:00,772 INFO L78 Accepts]: Start accepts. Automaton has 4585 states and 6661 transitions. Word has length 64 [2022-10-15 22:10:00,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:00,773 INFO L495 AbstractCegarLoop]: Abstraction has 4585 states and 6661 transitions. [2022-10-15 22:10:00,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 4585 states and 6661 transitions. [2022-10-15 22:10:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:10:00,775 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:00,775 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] [2022-10-15 22:10:00,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:10:00,776 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:00,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1377401915, now seen corresponding path program 1 times [2022-10-15 22:10:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:00,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265392815] [2022-10-15 22:10:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:00,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:00,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:00,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265392815] [2022-10-15 22:10:00,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265392815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:00,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:00,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:00,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766469007] [2022-10-15 22:10:00,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:00,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:00,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:00,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:00,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:00,923 INFO L87 Difference]: Start difference. First operand 4585 states and 6661 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:01,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:01,598 INFO L93 Difference]: Finished difference Result 8156 states and 11927 transitions. [2022-10-15 22:10:01,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:01,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-15 22:10:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:01,622 INFO L225 Difference]: With dead ends: 8156 [2022-10-15 22:10:01,622 INFO L226 Difference]: Without dead ends: 4990 [2022-10-15 22:10:01,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:01,629 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 660 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:01,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 905 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2022-10-15 22:10:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 4870. [2022-10-15 22:10:02,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4870 states, 4857 states have (on average 1.4480131768581428) internal successors, (7033), 4869 states have internal predecessors, (7033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 7033 transitions. [2022-10-15 22:10:02,156 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 7033 transitions. Word has length 64 [2022-10-15 22:10:02,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:02,156 INFO L495 AbstractCegarLoop]: Abstraction has 4870 states and 7033 transitions. [2022-10-15 22:10:02,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 7033 transitions. [2022-10-15 22:10:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:10:02,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:02,159 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] [2022-10-15 22:10:02,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:10:02,159 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:02,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2033321677, now seen corresponding path program 1 times [2022-10-15 22:10:02,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:02,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671005196] [2022-10-15 22:10:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:02,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:02,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:02,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671005196] [2022-10-15 22:10:02,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671005196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:02,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:02,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:02,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585510119] [2022-10-15 22:10:02,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:02,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:02,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:02,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:02,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:02,298 INFO L87 Difference]: Start difference. First operand 4870 states and 7033 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:03,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:03,058 INFO L93 Difference]: Finished difference Result 8085 states and 11775 transitions. [2022-10-15 22:10:03,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:03,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-15 22:10:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:03,075 INFO L225 Difference]: With dead ends: 8085 [2022-10-15 22:10:03,075 INFO L226 Difference]: Without dead ends: 5872 [2022-10-15 22:10:03,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:03,082 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 662 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:03,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 958 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:03,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5872 states. [2022-10-15 22:10:03,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5872 to 5699. [2022-10-15 22:10:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5686 states have (on average 1.4431938093563137) internal successors, (8206), 5698 states have internal predecessors, (8206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:03,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 8206 transitions. [2022-10-15 22:10:03,785 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 8206 transitions. Word has length 64 [2022-10-15 22:10:03,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:03,786 INFO L495 AbstractCegarLoop]: Abstraction has 5699 states and 8206 transitions. [2022-10-15 22:10:03,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:03,787 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 8206 transitions. [2022-10-15 22:10:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:10:03,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:03,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:03,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:10:03,790 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:03,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash -206667639, now seen corresponding path program 1 times [2022-10-15 22:10:03,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:03,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43500836] [2022-10-15 22:10:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:03,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:03,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:03,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43500836] [2022-10-15 22:10:03,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43500836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:03,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:03,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:03,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164564463] [2022-10-15 22:10:03,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:03,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:03,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:03,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:03,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:03,936 INFO L87 Difference]: Start difference. First operand 5699 states and 8206 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:04,865 INFO L93 Difference]: Finished difference Result 9024 states and 13099 transitions. [2022-10-15 22:10:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:04,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:10:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:04,884 INFO L225 Difference]: With dead ends: 9024 [2022-10-15 22:10:04,884 INFO L226 Difference]: Without dead ends: 6811 [2022-10-15 22:10:04,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:04,891 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 673 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:04,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 933 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6811 states. [2022-10-15 22:10:05,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6811 to 6535. [2022-10-15 22:10:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6535 states, 6522 states have (on average 1.440355719104569) internal successors, (9394), 6534 states have internal predecessors, (9394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:05,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6535 states to 6535 states and 9394 transitions. [2022-10-15 22:10:05,634 INFO L78 Accepts]: Start accepts. Automaton has 6535 states and 9394 transitions. Word has length 65 [2022-10-15 22:10:05,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:05,634 INFO L495 AbstractCegarLoop]: Abstraction has 6535 states and 9394 transitions. [2022-10-15 22:10:05,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 6535 states and 9394 transitions. [2022-10-15 22:10:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:10:05,636 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:05,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:05,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:10:05,637 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:05,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:05,637 INFO L85 PathProgramCache]: Analyzing trace with hash 408174442, now seen corresponding path program 1 times [2022-10-15 22:10:05,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:05,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953026259] [2022-10-15 22:10:05,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:05,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:05,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:05,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953026259] [2022-10-15 22:10:05,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953026259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:05,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:05,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:10:05,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368676722] [2022-10-15 22:10:05,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:05,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:05,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:05,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:05,709 INFO L87 Difference]: Start difference. First operand 6535 states and 9394 transitions. Second operand has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:06,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:06,209 INFO L93 Difference]: Finished difference Result 6535 states and 9394 transitions. [2022-10-15 22:10:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:06,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:10:06,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:06,259 INFO L225 Difference]: With dead ends: 6535 [2022-10-15 22:10:06,260 INFO L226 Difference]: Without dead ends: 6533 [2022-10-15 22:10:06,262 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 [2022-10-15 22:10:06,263 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 202 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:06,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 258 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:10:06,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6533 states. [2022-10-15 22:10:06,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6533 to 6533. [2022-10-15 22:10:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6533 states, 6522 states have (on average 1.4210364918736584) internal successors, (9268), 6532 states have internal predecessors, (9268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6533 states to 6533 states and 9268 transitions. [2022-10-15 22:10:06,795 INFO L78 Accepts]: Start accepts. Automaton has 6533 states and 9268 transitions. Word has length 65 [2022-10-15 22:10:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:06,795 INFO L495 AbstractCegarLoop]: Abstraction has 6533 states and 9268 transitions. [2022-10-15 22:10:06,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 6533 states and 9268 transitions. [2022-10-15 22:10:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:10:06,797 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:06,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:06,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:10:06,798 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:06,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:06,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1391537222, now seen corresponding path program 1 times [2022-10-15 22:10:06,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:06,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655004900] [2022-10-15 22:10:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:06,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:06,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:06,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655004900] [2022-10-15 22:10:06,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655004900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:06,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:06,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:06,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249278884] [2022-10-15 22:10:06,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:06,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:06,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:06,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:06,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:06,943 INFO L87 Difference]: Start difference. First operand 6533 states and 9268 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:08,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:08,196 INFO L93 Difference]: Finished difference Result 9675 states and 13848 transitions. [2022-10-15 22:10:08,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:08,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:10:08,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:08,226 INFO L225 Difference]: With dead ends: 9675 [2022-10-15 22:10:08,227 INFO L226 Difference]: Without dead ends: 9672 [2022-10-15 22:10:08,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:08,233 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 742 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:08,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 696 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:08,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9672 states. [2022-10-15 22:10:09,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9672 to 6757. [2022-10-15 22:10:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6757 states, 6746 states have (on average 1.4276608360509933) internal successors, (9631), 6756 states have internal predecessors, (9631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6757 states to 6757 states and 9631 transitions. [2022-10-15 22:10:09,054 INFO L78 Accepts]: Start accepts. Automaton has 6757 states and 9631 transitions. Word has length 65 [2022-10-15 22:10:09,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:09,054 INFO L495 AbstractCegarLoop]: Abstraction has 6757 states and 9631 transitions. [2022-10-15 22:10:09,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 6757 states and 9631 transitions. [2022-10-15 22:10:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:10:09,057 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:09,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:09,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:10:09,057 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:09,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash -2111729282, now seen corresponding path program 1 times [2022-10-15 22:10:09,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:09,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359137465] [2022-10-15 22:10:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:09,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:09,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:09,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359137465] [2022-10-15 22:10:09,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359137465] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:09,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:09,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:09,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757386477] [2022-10-15 22:10:09,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:09,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:09,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:09,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:09,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:09,201 INFO L87 Difference]: Start difference. First operand 6757 states and 9631 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:10,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:10,299 INFO L93 Difference]: Finished difference Result 9464 states and 13584 transitions. [2022-10-15 22:10:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:10,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:10:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:10,323 INFO L225 Difference]: With dead ends: 9464 [2022-10-15 22:10:10,323 INFO L226 Difference]: Without dead ends: 9461 [2022-10-15 22:10:10,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:10,328 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 733 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:10,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 693 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9461 states. [2022-10-15 22:10:10,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9461 to 6307. [2022-10-15 22:10:10,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 6296 states have (on average 1.4305908513341805) internal successors, (9007), 6306 states have internal predecessors, (9007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 9007 transitions. [2022-10-15 22:10:10,900 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 9007 transitions. Word has length 66 [2022-10-15 22:10:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:10,900 INFO L495 AbstractCegarLoop]: Abstraction has 6307 states and 9007 transitions. [2022-10-15 22:10:10,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 9007 transitions. [2022-10-15 22:10:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:10:10,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:10,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:10,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:10:10,903 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:10,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:10,904 INFO L85 PathProgramCache]: Analyzing trace with hash -231493940, now seen corresponding path program 1 times [2022-10-15 22:10:10,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:10,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720121412] [2022-10-15 22:10:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:10,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:10,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:10,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720121412] [2022-10-15 22:10:10,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720121412] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:10,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:10,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:10,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037247656] [2022-10-15 22:10:10,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:11,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:11,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:11,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:11,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:11,001 INFO L87 Difference]: Start difference. First operand 6307 states and 9007 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:11,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:11,577 INFO L93 Difference]: Finished difference Result 6307 states and 9007 transitions. [2022-10-15 22:10:11,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:11,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:10:11,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:11,594 INFO L225 Difference]: With dead ends: 6307 [2022-10-15 22:10:11,594 INFO L226 Difference]: Without dead ends: 5590 [2022-10-15 22:10:11,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:11,599 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 181 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:11,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 487 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:10:11,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2022-10-15 22:10:12,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 5590. [2022-10-15 22:10:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5590 states, 5581 states have (on average 1.4199964164128291) internal successors, (7925), 5589 states have internal predecessors, (7925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 7925 transitions. [2022-10-15 22:10:12,366 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 7925 transitions. Word has length 66 [2022-10-15 22:10:12,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:12,366 INFO L495 AbstractCegarLoop]: Abstraction has 5590 states and 7925 transitions. [2022-10-15 22:10:12,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 7925 transitions. [2022-10-15 22:10:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:10:12,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:12,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:12,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:10:12,371 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:12,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:12,372 INFO L85 PathProgramCache]: Analyzing trace with hash 350455070, now seen corresponding path program 1 times [2022-10-15 22:10:12,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:12,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091117282] [2022-10-15 22:10:12,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:12,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:12,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:12,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091117282] [2022-10-15 22:10:12,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091117282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:12,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:12,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:12,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786139639] [2022-10-15 22:10:12,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:12,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:12,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:12,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:12,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:12,499 INFO L87 Difference]: Start difference. First operand 5590 states and 7925 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:13,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:13,501 INFO L93 Difference]: Finished difference Result 7707 states and 11020 transitions. [2022-10-15 22:10:13,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:13,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:10:13,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:13,518 INFO L225 Difference]: With dead ends: 7707 [2022-10-15 22:10:13,518 INFO L226 Difference]: Without dead ends: 7704 [2022-10-15 22:10:13,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:13,523 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 302 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:13,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1039 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7704 states. [2022-10-15 22:10:14,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7704 to 6740. [2022-10-15 22:10:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6740 states, 6732 states have (on average 1.4242424242424243) internal successors, (9588), 6739 states have internal predecessors, (9588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6740 states to 6740 states and 9588 transitions. [2022-10-15 22:10:14,361 INFO L78 Accepts]: Start accepts. Automaton has 6740 states and 9588 transitions. Word has length 67 [2022-10-15 22:10:14,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:14,362 INFO L495 AbstractCegarLoop]: Abstraction has 6740 states and 9588 transitions. [2022-10-15 22:10:14,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 6740 states and 9588 transitions. [2022-10-15 22:10:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:10:14,363 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:14,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:14,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:10:14,364 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:14,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:14,364 INFO L85 PathProgramCache]: Analyzing trace with hash -907089262, now seen corresponding path program 1 times [2022-10-15 22:10:14,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:14,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99539454] [2022-10-15 22:10:14,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:14,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:14,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:14,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99539454] [2022-10-15 22:10:14,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99539454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:14,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:14,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:14,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754047954] [2022-10-15 22:10:14,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:14,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:14,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:14,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:14,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:14,494 INFO L87 Difference]: Start difference. First operand 6740 states and 9588 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:15,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:15,332 INFO L93 Difference]: Finished difference Result 7448 states and 10570 transitions. [2022-10-15 22:10:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:15,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 22:10:15,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:15,346 INFO L225 Difference]: With dead ends: 7448 [2022-10-15 22:10:15,346 INFO L226 Difference]: Without dead ends: 7086 [2022-10-15 22:10:15,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:15,351 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 450 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:15,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1125 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:15,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7086 states. [2022-10-15 22:10:15,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7086 to 6981. [2022-10-15 22:10:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6981 states, 6973 states have (on average 1.4203355800946509) internal successors, (9904), 6980 states have internal predecessors, (9904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6981 states to 6981 states and 9904 transitions. [2022-10-15 22:10:16,014 INFO L78 Accepts]: Start accepts. Automaton has 6981 states and 9904 transitions. Word has length 68 [2022-10-15 22:10:16,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:16,015 INFO L495 AbstractCegarLoop]: Abstraction has 6981 states and 9904 transitions. [2022-10-15 22:10:16,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 6981 states and 9904 transitions. [2022-10-15 22:10:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:10:16,016 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:16,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:16,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:10:16,017 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1977051920, now seen corresponding path program 1 times [2022-10-15 22:10:16,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:16,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647592594] [2022-10-15 22:10:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:16,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:16,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:16,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647592594] [2022-10-15 22:10:16,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647592594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:16,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:16,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:16,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043649102] [2022-10-15 22:10:16,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:16,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:16,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:16,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:16,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:16,160 INFO L87 Difference]: Start difference. First operand 6981 states and 9904 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:17,332 INFO L93 Difference]: Finished difference Result 8123 states and 11517 transitions. [2022-10-15 22:10:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:17,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:10:17,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:17,345 INFO L225 Difference]: With dead ends: 8123 [2022-10-15 22:10:17,346 INFO L226 Difference]: Without dead ends: 7724 [2022-10-15 22:10:17,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:17,350 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 483 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:17,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 933 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:17,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7724 states. [2022-10-15 22:10:17,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7724 to 7452. [2022-10-15 22:10:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7452 states, 7444 states have (on average 1.4184578183772165) internal successors, (10559), 7451 states have internal predecessors, (10559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7452 states to 7452 states and 10559 transitions. [2022-10-15 22:10:18,006 INFO L78 Accepts]: Start accepts. Automaton has 7452 states and 10559 transitions. Word has length 69 [2022-10-15 22:10:18,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:18,007 INFO L495 AbstractCegarLoop]: Abstraction has 7452 states and 10559 transitions. [2022-10-15 22:10:18,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 7452 states and 10559 transitions. [2022-10-15 22:10:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:10:18,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:18,008 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] [2022-10-15 22:10:18,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:10:18,009 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:18,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:18,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1779880448, now seen corresponding path program 1 times [2022-10-15 22:10:18,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:18,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766466784] [2022-10-15 22:10:18,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:18,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:18,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:18,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766466784] [2022-10-15 22:10:18,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766466784] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:18,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:18,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:18,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640826121] [2022-10-15 22:10:18,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:18,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:18,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:18,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:18,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:18,147 INFO L87 Difference]: Start difference. First operand 7452 states and 10559 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:19,372 INFO L93 Difference]: Finished difference Result 9667 states and 13767 transitions. [2022-10-15 22:10:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:19,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:10:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:19,390 INFO L225 Difference]: With dead ends: 9667 [2022-10-15 22:10:19,391 INFO L226 Difference]: Without dead ends: 9613 [2022-10-15 22:10:19,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:19,395 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 554 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:19,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 896 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:19,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9613 states. [2022-10-15 22:10:20,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9613 to 9169. [2022-10-15 22:10:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9169 states, 9161 states have (on average 1.4200414801877523) internal successors, (13009), 9168 states have internal predecessors, (13009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9169 states to 9169 states and 13009 transitions. [2022-10-15 22:10:20,173 INFO L78 Accepts]: Start accepts. Automaton has 9169 states and 13009 transitions. Word has length 69 [2022-10-15 22:10:20,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:20,173 INFO L495 AbstractCegarLoop]: Abstraction has 9169 states and 13009 transitions. [2022-10-15 22:10:20,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9169 states and 13009 transitions. [2022-10-15 22:10:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:10:20,175 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:20,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:20,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:10:20,176 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:20,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:20,176 INFO L85 PathProgramCache]: Analyzing trace with hash -658280729, now seen corresponding path program 1 times [2022-10-15 22:10:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:20,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774207605] [2022-10-15 22:10:20,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:20,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:20,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774207605] [2022-10-15 22:10:20,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774207605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:20,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:20,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:20,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065930762] [2022-10-15 22:10:20,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:20,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:20,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:20,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:20,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:20,315 INFO L87 Difference]: Start difference. First operand 9169 states and 13009 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:21,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:21,218 INFO L93 Difference]: Finished difference Result 11757 states and 16680 transitions. [2022-10-15 22:10:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:21,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:10:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:21,237 INFO L225 Difference]: With dead ends: 11757 [2022-10-15 22:10:21,237 INFO L226 Difference]: Without dead ends: 7612 [2022-10-15 22:10:21,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:21,252 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 475 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:21,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 749 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:21,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7612 states. [2022-10-15 22:10:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7612 to 5517. [2022-10-15 22:10:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5517 states, 5510 states have (on average 1.4036297640653357) internal successors, (7734), 5516 states have internal predecessors, (7734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5517 states to 5517 states and 7734 transitions. [2022-10-15 22:10:21,854 INFO L78 Accepts]: Start accepts. Automaton has 5517 states and 7734 transitions. Word has length 70 [2022-10-15 22:10:21,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:21,855 INFO L495 AbstractCegarLoop]: Abstraction has 5517 states and 7734 transitions. [2022-10-15 22:10:21,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5517 states and 7734 transitions. [2022-10-15 22:10:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:10:21,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:21,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:21,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:10:21,857 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:21,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:21,857 INFO L85 PathProgramCache]: Analyzing trace with hash 507890647, now seen corresponding path program 1 times [2022-10-15 22:10:21,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:21,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672390873] [2022-10-15 22:10:21,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:21,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:22,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:22,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672390873] [2022-10-15 22:10:22,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672390873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:22,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:22,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:22,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864683254] [2022-10-15 22:10:22,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:22,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:22,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:22,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:22,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:22,007 INFO L87 Difference]: Start difference. First operand 5517 states and 7734 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:22,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:22,835 INFO L93 Difference]: Finished difference Result 6016 states and 8417 transitions. [2022-10-15 22:10:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:22,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 22:10:22,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:22,841 INFO L225 Difference]: With dead ends: 6016 [2022-10-15 22:10:22,841 INFO L226 Difference]: Without dead ends: 5406 [2022-10-15 22:10:22,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:22,844 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 348 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:22,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1143 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:22,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2022-10-15 22:10:23,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 5300. [2022-10-15 22:10:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5300 states, 5294 states have (on average 1.404042312051379) internal successors, (7433), 5299 states have internal predecessors, (7433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 7433 transitions. [2022-10-15 22:10:23,421 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 7433 transitions. Word has length 73 [2022-10-15 22:10:23,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:23,421 INFO L495 AbstractCegarLoop]: Abstraction has 5300 states and 7433 transitions. [2022-10-15 22:10:23,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 7433 transitions. [2022-10-15 22:10:23,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:10:23,426 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:23,426 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] [2022-10-15 22:10:23,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:10:23,426 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:23,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1212514910, now seen corresponding path program 1 times [2022-10-15 22:10:23,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:23,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502973800] [2022-10-15 22:10:23,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:23,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:23,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502973800] [2022-10-15 22:10:23,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502973800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:23,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:23,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:23,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793699857] [2022-10-15 22:10:23,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:23,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:23,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:23,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:23,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:23,587 INFO L87 Difference]: Start difference. First operand 5300 states and 7433 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:24,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:24,713 INFO L93 Difference]: Finished difference Result 5637 states and 7892 transitions. [2022-10-15 22:10:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:24,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-15 22:10:24,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:24,720 INFO L225 Difference]: With dead ends: 5637 [2022-10-15 22:10:24,721 INFO L226 Difference]: Without dead ends: 5189 [2022-10-15 22:10:24,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:24,723 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 407 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:24,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1096 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:24,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5189 states. [2022-10-15 22:10:25,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5189 to 4725. [2022-10-15 22:10:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4725 states, 4719 states have (on average 1.4072896800169528) internal successors, (6641), 4724 states have internal predecessors, (6641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:25,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4725 states to 4725 states and 6641 transitions. [2022-10-15 22:10:25,196 INFO L78 Accepts]: Start accepts. Automaton has 4725 states and 6641 transitions. Word has length 91 [2022-10-15 22:10:25,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:25,196 INFO L495 AbstractCegarLoop]: Abstraction has 4725 states and 6641 transitions. [2022-10-15 22:10:25,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 4725 states and 6641 transitions. [2022-10-15 22:10:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:10:25,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:25,199 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] [2022-10-15 22:10:25,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:10:25,199 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:25,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:25,200 INFO L85 PathProgramCache]: Analyzing trace with hash 393893685, now seen corresponding path program 1 times [2022-10-15 22:10:25,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:25,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310652788] [2022-10-15 22:10:25,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:25,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:25,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:25,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310652788] [2022-10-15 22:10:25,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310652788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:25,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:25,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:25,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145064988] [2022-10-15 22:10:25,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:25,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:25,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:25,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:25,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:25,314 INFO L87 Difference]: Start difference. First operand 4725 states and 6641 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:26,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:26,140 INFO L93 Difference]: Finished difference Result 5120 states and 7181 transitions. [2022-10-15 22:10:26,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:26,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-15 22:10:26,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:26,146 INFO L225 Difference]: With dead ends: 5120 [2022-10-15 22:10:26,146 INFO L226 Difference]: Without dead ends: 5118 [2022-10-15 22:10:26,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:26,149 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 227 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:26,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 789 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:26,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5118 states. [2022-10-15 22:10:26,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5118 to 4505. [2022-10-15 22:10:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4505 states, 4501 states have (on average 1.3919129082426127) internal successors, (6265), 4504 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:26,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4505 states and 6265 transitions. [2022-10-15 22:10:26,618 INFO L78 Accepts]: Start accepts. Automaton has 4505 states and 6265 transitions. Word has length 92 [2022-10-15 22:10:26,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:26,619 INFO L495 AbstractCegarLoop]: Abstraction has 4505 states and 6265 transitions. [2022-10-15 22:10:26,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4505 states and 6265 transitions. [2022-10-15 22:10:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:10:26,623 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:26,623 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] [2022-10-15 22:10:26,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:10:26,624 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:26,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:26,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1852549317, now seen corresponding path program 1 times [2022-10-15 22:10:26,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:26,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437464212] [2022-10-15 22:10:26,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:26,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:26,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:26,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437464212] [2022-10-15 22:10:26,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437464212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:26,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:26,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:26,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131605241] [2022-10-15 22:10:26,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:26,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:26,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:26,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:26,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:26,788 INFO L87 Difference]: Start difference. First operand 4505 states and 6265 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:27,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:27,554 INFO L93 Difference]: Finished difference Result 4949 states and 6875 transitions. [2022-10-15 22:10:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:27,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:10:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:27,561 INFO L225 Difference]: With dead ends: 4949 [2022-10-15 22:10:27,561 INFO L226 Difference]: Without dead ends: 4464 [2022-10-15 22:10:27,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:27,564 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 377 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:27,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 885 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:27,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4464 states. [2022-10-15 22:10:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4464 to 4016. [2022-10-15 22:10:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4016 states, 4012 states have (on average 1.39481555333998) internal successors, (5596), 4015 states have internal predecessors, (5596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 4016 states and 5596 transitions. [2022-10-15 22:10:28,032 INFO L78 Accepts]: Start accepts. Automaton has 4016 states and 5596 transitions. Word has length 94 [2022-10-15 22:10:28,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:28,032 INFO L495 AbstractCegarLoop]: Abstraction has 4016 states and 5596 transitions. [2022-10-15 22:10:28,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4016 states and 5596 transitions. [2022-10-15 22:10:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:10:28,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:28,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:28,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:10:28,036 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:28,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:28,037 INFO L85 PathProgramCache]: Analyzing trace with hash 574719063, now seen corresponding path program 1 times [2022-10-15 22:10:28,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:28,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574446815] [2022-10-15 22:10:28,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:28,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:28,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:28,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574446815] [2022-10-15 22:10:28,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574446815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:28,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:28,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:28,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143423303] [2022-10-15 22:10:28,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:28,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:28,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:28,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:28,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:28,191 INFO L87 Difference]: Start difference. First operand 4016 states and 5596 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:28,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:28,782 INFO L93 Difference]: Finished difference Result 4456 states and 6212 transitions. [2022-10-15 22:10:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:28,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:10:28,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:28,787 INFO L225 Difference]: With dead ends: 4456 [2022-10-15 22:10:28,787 INFO L226 Difference]: Without dead ends: 4351 [2022-10-15 22:10:28,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:28,790 INFO L413 NwaCegarLoop]: 451 mSDtfsCounter, 377 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:28,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1055 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:28,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4351 states. [2022-10-15 22:10:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4351 to 4349. [2022-10-15 22:10:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 4345 states have (on average 1.3884925201380898) internal successors, (6033), 4348 states have internal predecessors, (6033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6033 transitions. [2022-10-15 22:10:29,229 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6033 transitions. Word has length 94 [2022-10-15 22:10:29,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:29,229 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6033 transitions. [2022-10-15 22:10:29,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:29,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6033 transitions. [2022-10-15 22:10:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:10:29,233 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:29,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:29,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:10:29,234 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:29,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:29,234 INFO L85 PathProgramCache]: Analyzing trace with hash 636422080, now seen corresponding path program 1 times [2022-10-15 22:10:29,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:29,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689614991] [2022-10-15 22:10:29,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:29,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:29,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:29,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689614991] [2022-10-15 22:10:29,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689614991] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:29,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:29,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:29,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467804035] [2022-10-15 22:10:29,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:29,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:29,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:29,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:29,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:29,395 INFO L87 Difference]: Start difference. First operand 4349 states and 6033 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:29,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:29,941 INFO L93 Difference]: Finished difference Result 6526 states and 9088 transitions. [2022-10-15 22:10:29,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:29,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-15 22:10:29,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:29,946 INFO L225 Difference]: With dead ends: 6526 [2022-10-15 22:10:29,946 INFO L226 Difference]: Without dead ends: 3356 [2022-10-15 22:10:29,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:29,952 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 363 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:29,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 744 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:29,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2022-10-15 22:10:30,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 1904. [2022-10-15 22:10:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1904 states, 1903 states have (on average 1.350499211770888) internal successors, (2570), 1903 states have internal predecessors, (2570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2570 transitions. [2022-10-15 22:10:30,222 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2570 transitions. Word has length 95 [2022-10-15 22:10:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:30,222 INFO L495 AbstractCegarLoop]: Abstraction has 1904 states and 2570 transitions. [2022-10-15 22:10:30,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2570 transitions. [2022-10-15 22:10:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:10:30,225 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:30,225 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] [2022-10-15 22:10:30,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 22:10:30,226 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:30,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:30,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1494202704, now seen corresponding path program 1 times [2022-10-15 22:10:30,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:30,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384226481] [2022-10-15 22:10:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:30,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:30,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:30,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384226481] [2022-10-15 22:10:30,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384226481] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:30,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:30,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:30,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574580044] [2022-10-15 22:10:30,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:30,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:30,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:30,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:30,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:30,345 INFO L87 Difference]: Start difference. First operand 1904 states and 2570 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:30,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:30,543 INFO L93 Difference]: Finished difference Result 1905 states and 2570 transitions. [2022-10-15 22:10:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:30,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:10:30,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:30,546 INFO L225 Difference]: With dead ends: 1905 [2022-10-15 22:10:30,546 INFO L226 Difference]: Without dead ends: 1370 [2022-10-15 22:10:30,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:30,548 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 140 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:30,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 236 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:10:30,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2022-10-15 22:10:30,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2022-10-15 22:10:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1370 states, 1369 states have (on average 1.3403944485025565) internal successors, (1835), 1369 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1835 transitions. [2022-10-15 22:10:30,701 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1835 transitions. Word has length 96 [2022-10-15 22:10:30,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:30,701 INFO L495 AbstractCegarLoop]: Abstraction has 1370 states and 1835 transitions. [2022-10-15 22:10:30,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1835 transitions. [2022-10-15 22:10:30,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:10:30,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:30,704 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] [2022-10-15 22:10:30,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 22:10:30,704 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:30,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:30,705 INFO L85 PathProgramCache]: Analyzing trace with hash 823311503, now seen corresponding path program 1 times [2022-10-15 22:10:30,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:30,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431068398] [2022-10-15 22:10:30,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:30,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:30,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:30,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431068398] [2022-10-15 22:10:30,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431068398] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:30,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:30,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:30,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366832281] [2022-10-15 22:10:30,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:30,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:30,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:30,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:30,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:30,851 INFO L87 Difference]: Start difference. First operand 1370 states and 1835 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:31,278 INFO L93 Difference]: Finished difference Result 1907 states and 2571 transitions. [2022-10-15 22:10:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:31,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:10:31,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:31,281 INFO L225 Difference]: With dead ends: 1907 [2022-10-15 22:10:31,281 INFO L226 Difference]: Without dead ends: 1458 [2022-10-15 22:10:31,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:31,283 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 367 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:31,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 1149 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:31,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-10-15 22:10:31,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1354. [2022-10-15 22:10:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1353 states have (on average 1.344419807834442) internal successors, (1819), 1353 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1819 transitions. [2022-10-15 22:10:31,446 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1819 transitions. Word has length 98 [2022-10-15 22:10:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:31,447 INFO L495 AbstractCegarLoop]: Abstraction has 1354 states and 1819 transitions. [2022-10-15 22:10:31,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1819 transitions. [2022-10-15 22:10:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:10:31,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:31,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:31,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-15 22:10:31,449 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:31,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:31,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1079891272, now seen corresponding path program 1 times [2022-10-15 22:10:31,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:31,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126707843] [2022-10-15 22:10:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:31,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:31,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126707843] [2022-10-15 22:10:31,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126707843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:31,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:31,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:31,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143678168] [2022-10-15 22:10:31,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:31,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:31,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:31,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:31,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:31,599 INFO L87 Difference]: Start difference. First operand 1354 states and 1819 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:32,001 INFO L93 Difference]: Finished difference Result 1667 states and 2245 transitions. [2022-10-15 22:10:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:32,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:10:32,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:32,004 INFO L225 Difference]: With dead ends: 1667 [2022-10-15 22:10:32,004 INFO L226 Difference]: Without dead ends: 1339 [2022-10-15 22:10:32,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:32,005 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 289 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:32,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1008 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2022-10-15 22:10:32,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1025. [2022-10-15 22:10:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1024 states have (on average 1.3291015625) internal successors, (1361), 1024 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1361 transitions. [2022-10-15 22:10:32,119 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1361 transitions. Word has length 98 [2022-10-15 22:10:32,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:32,119 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 1361 transitions. [2022-10-15 22:10:32,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1361 transitions. [2022-10-15 22:10:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:10:32,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:32,122 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] [2022-10-15 22:10:32,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-15 22:10:32,122 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:32,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:32,123 INFO L85 PathProgramCache]: Analyzing trace with hash 474984942, now seen corresponding path program 1 times [2022-10-15 22:10:32,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:32,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842567440] [2022-10-15 22:10:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:32,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:32,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:32,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842567440] [2022-10-15 22:10:32,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842567440] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:32,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:32,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499025183] [2022-10-15 22:10:32,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:32,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:32,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:32,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:32,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:32,267 INFO L87 Difference]: Start difference. First operand 1025 states and 1361 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:32,548 INFO L93 Difference]: Finished difference Result 1234 states and 1647 transitions. [2022-10-15 22:10:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:32,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:10:32,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:32,550 INFO L225 Difference]: With dead ends: 1234 [2022-10-15 22:10:32,550 INFO L226 Difference]: Without dead ends: 918 [2022-10-15 22:10:32,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:32,552 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 285 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:32,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1004 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:32,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2022-10-15 22:10:32,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2022-10-15 22:10:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 917 states have (on average 1.3227917121046893) internal successors, (1213), 917 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1213 transitions. [2022-10-15 22:10:32,653 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1213 transitions. Word has length 98 [2022-10-15 22:10:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:32,653 INFO L495 AbstractCegarLoop]: Abstraction has 918 states and 1213 transitions. [2022-10-15 22:10:32,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1213 transitions. [2022-10-15 22:10:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:10:32,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:32,655 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] [2022-10-15 22:10:32,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-15 22:10:32,655 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:32,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2035259782, now seen corresponding path program 1 times [2022-10-15 22:10:32,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:32,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957022337] [2022-10-15 22:10:32,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:32,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:32,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957022337] [2022-10-15 22:10:32,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957022337] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:32,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:32,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:32,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983647364] [2022-10-15 22:10:32,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:32,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:32,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:32,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:32,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:32,798 INFO L87 Difference]: Start difference. First operand 918 states and 1213 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:33,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:33,202 INFO L93 Difference]: Finished difference Result 1359 states and 1817 transitions. [2022-10-15 22:10:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:33,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:10:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:33,205 INFO L225 Difference]: With dead ends: 1359 [2022-10-15 22:10:33,205 INFO L226 Difference]: Without dead ends: 741 [2022-10-15 22:10:33,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:33,207 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 337 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:33,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1054 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-10-15 22:10:33,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2022-10-15 22:10:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 740 states have (on average 1.3216216216216217) internal successors, (978), 740 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 978 transitions. [2022-10-15 22:10:33,319 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 978 transitions. Word has length 98 [2022-10-15 22:10:33,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:33,319 INFO L495 AbstractCegarLoop]: Abstraction has 741 states and 978 transitions. [2022-10-15 22:10:33,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 978 transitions. [2022-10-15 22:10:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:10:33,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:33,329 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:33,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-15 22:10:33,330 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:33,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1815831952, now seen corresponding path program 1 times [2022-10-15 22:10:33,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:33,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832146828] [2022-10-15 22:10:33,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:33,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:33,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:33,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832146828] [2022-10-15 22:10:33,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832146828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:33,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:33,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:10:33,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677195719] [2022-10-15 22:10:33,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:33,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:33,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:33,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:33,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:33,465 INFO L87 Difference]: Start difference. First operand 741 states and 978 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:33,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:33,969 INFO L93 Difference]: Finished difference Result 2617 states and 3443 transitions. [2022-10-15 22:10:33,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:10:33,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-15 22:10:33,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:33,972 INFO L225 Difference]: With dead ends: 2617 [2022-10-15 22:10:33,972 INFO L226 Difference]: Without dead ends: 2000 [2022-10-15 22:10:33,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:10:33,974 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 592 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:33,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 463 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:33,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2022-10-15 22:10:34,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 964. [2022-10-15 22:10:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 963 states have (on average 1.268951194184839) internal successors, (1222), 963 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1222 transitions. [2022-10-15 22:10:34,094 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1222 transitions. Word has length 124 [2022-10-15 22:10:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:34,094 INFO L495 AbstractCegarLoop]: Abstraction has 964 states and 1222 transitions. [2022-10-15 22:10:34,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1222 transitions. [2022-10-15 22:10:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:10:34,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:34,096 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:34,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-15 22:10:34,097 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 22:10:34,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:34,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1184591705, now seen corresponding path program 1 times [2022-10-15 22:10:34,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:34,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692076788] [2022-10-15 22:10:34,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:34,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:34,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692076788] [2022-10-15 22:10:34,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692076788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:34,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:34,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:34,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574030463] [2022-10-15 22:10:34,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:34,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:34,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:34,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:34,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:34,268 INFO L87 Difference]: Start difference. First operand 964 states and 1222 transitions. Second operand has 5 states, 4 states have (on average 31.75) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:34,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:34,519 INFO L93 Difference]: Finished difference Result 964 states and 1222 transitions. [2022-10-15 22:10:34,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:34,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.75) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-15 22:10:34,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:34,520 INFO L225 Difference]: With dead ends: 964 [2022-10-15 22:10:34,520 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 22:10:34,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:34,521 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 249 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:34,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 914 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 22:10:34,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 22:10:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 22:10:34,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2022-10-15 22:10:34,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:34,525 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 22:10:34,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.75) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 22:10:34,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 22:10:34,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2022-10-15 22:10:34,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2022-10-15 22:10:34,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2022-10-15 22:10:34,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2022-10-15 22:10:34,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2022-10-15 22:10:34,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2022-10-15 22:10:34,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2022-10-15 22:10:34,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2022-10-15 22:10:34,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2022-10-15 22:10:34,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2022-10-15 22:10:34,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2022-10-15 22:10:34,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2022-10-15 22:10:34,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2022-10-15 22:10:34,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2022-10-15 22:10:34,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2022-10-15 22:10:34,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2022-10-15 22:10:34,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2022-10-15 22:10:34,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2022-10-15 22:10:34,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2022-10-15 22:10:34,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2022-10-15 22:10:34,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2022-10-15 22:10:34,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2022-10-15 22:10:34,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2022-10-15 22:10:34,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2022-10-15 22:10:34,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2022-10-15 22:10:34,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2022-10-15 22:10:34,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2022-10-15 22:10:34,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2022-10-15 22:10:34,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2022-10-15 22:10:34,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2022-10-15 22:10:34,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2022-10-15 22:10:34,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2022-10-15 22:10:34,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-15 22:10:34,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.