/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.5.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:13:03,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:13:03,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:13:03,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:13:03,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:13:03,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:13:03,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:13:03,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:13:03,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:13:03,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:13:03,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:13:03,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:13:03,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:13:03,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:13:03,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:13:03,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:13:03,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:13:03,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:13:03,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:13:03,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:13:03,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:13:03,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:13:03,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:13:03,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:13:03,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:13:03,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:13:03,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:13:03,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:13:03,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:13:03,904 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:13:03,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:13:03,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:13:03,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:13:03,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:13:03,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:13:03,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:13:03,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:13:03,908 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:13:03,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:13:03,909 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:13:03,909 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:13:03,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:13:03,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:13:03,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:13:03,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:13:03,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:13:03,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:13:03,911 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:13:03,911 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:13:03,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:13:03,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:13:03,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:13:03,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:13:03,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:13:03,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:13:03,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:13:03,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:13:03,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:13:03,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:13:03,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:13:03,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:13:03,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:13:03,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:13:04,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:13:04,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:13:04,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:13:04,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:13:04,365 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:13:04,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 16:13:04,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009c40aaf/1ad00b59098c4ac29dcbdb4b9af4c253/FLAGeee3b51a4 [2022-10-16 16:13:05,059 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:13:05,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 16:13:05,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009c40aaf/1ad00b59098c4ac29dcbdb4b9af4c253/FLAGeee3b51a4 [2022-10-16 16:13:05,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009c40aaf/1ad00b59098c4ac29dcbdb4b9af4c253 [2022-10-16 16:13:05,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:13:05,401 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:13:05,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:13:05,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:13:05,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:13:05,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:05,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4f566b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05, skipping insertion in model container [2022-10-16 16:13:05,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:05,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:13:05,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:13:05,711 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.5.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[6320,6333] [2022-10-16 16:13:05,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:13:05,822 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:13:05,936 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.5.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[6320,6333] [2022-10-16 16:13:05,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:13:05,997 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:13:05,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05 WrapperNode [2022-10-16 16:13:05,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:13:05,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:13:05,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:13:05,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:13:06,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,071 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 551 [2022-10-16 16:13:06,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:13:06,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:13:06,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:13:06,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:13:06,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,149 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:13:06,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:13:06,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:13:06,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:13:06,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (1/1) ... [2022-10-16 16:13:06,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:13:06,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:13:06,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:13:06,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:13:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:13:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:13:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:13:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:13:06,500 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:13:06,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:13:07,261 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:13:07,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:13:07,271 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:13:07,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:13:07 BoogieIcfgContainer [2022-10-16 16:13:07,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:13:07,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:13:07,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:13:07,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:13:07,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:13:05" (1/3) ... [2022-10-16 16:13:07,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d936817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:13:07, skipping insertion in model container [2022-10-16 16:13:07,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:13:05" (2/3) ... [2022-10-16 16:13:07,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d936817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:13:07, skipping insertion in model container [2022-10-16 16:13:07,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:13:07" (3/3) ... [2022-10-16 16:13:07,284 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 16:13:07,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:13:07,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 16:13:07,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:13:07,376 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;@31256f16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:13:07,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 16:13:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 161 states have (on average 1.7515527950310559) internal successors, (282), 189 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:13:07,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:07,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:13:07,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:07,397 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:13:07,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:07,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705668369] [2022-10-16 16:13:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:07,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:07,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:07,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705668369] [2022-10-16 16:13:07,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705668369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:07,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:07,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:13:07,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900753234] [2022-10-16 16:13:07,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:07,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:13:07,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:07,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:13:07,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:13:07,729 INFO L87 Difference]: Start difference. First operand has 190 states, 161 states have (on average 1.7515527950310559) internal successors, (282), 189 states have internal predecessors, (282), 0 states have call successors, (0), 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) [2022-10-16 16:13:07,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:07,766 INFO L93 Difference]: Finished difference Result 193 states and 284 transitions. [2022-10-16 16:13:07,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:13:07,768 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 [2022-10-16 16:13:07,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:07,782 INFO L225 Difference]: With dead ends: 193 [2022-10-16 16:13:07,782 INFO L226 Difference]: Without dead ends: 179 [2022-10-16 16:13:07,785 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 [2022-10-16 16:13:07,790 INFO L413 NwaCegarLoop]: 273 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, 273 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 [2022-10-16 16:13:07,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:07,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-10-16 16:13:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-10-16 16:13:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 159 states have (on average 1.490566037735849) internal successors, (237), 178 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 237 transitions. [2022-10-16 16:13:07,847 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 237 transitions. Word has length 4 [2022-10-16 16:13:07,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:07,847 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 237 transitions. [2022-10-16 16:13:07,848 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) [2022-10-16 16:13:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 237 transitions. [2022-10-16 16:13:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 16:13:07,850 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:07,850 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] [2022-10-16 16:13:07,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:13:07,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:07,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:07,852 INFO L85 PathProgramCache]: Analyzing trace with hash -548224736, now seen corresponding path program 1 times [2022-10-16 16:13:07,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:07,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398550115] [2022-10-16 16:13:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:07,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:08,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:08,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398550115] [2022-10-16 16:13:08,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398550115] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:08,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:08,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:08,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461230287] [2022-10-16 16:13:08,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:08,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:08,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:08,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:08,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:08,140 INFO L87 Difference]: Start difference. First operand 179 states and 237 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:08,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:08,219 INFO L93 Difference]: Finished difference Result 431 states and 595 transitions. [2022-10-16 16:13:08,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:08,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 16:13:08,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:08,224 INFO L225 Difference]: With dead ends: 431 [2022-10-16 16:13:08,224 INFO L226 Difference]: Without dead ends: 295 [2022-10-16 16:13:08,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:08,227 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 178 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:08,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 584 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:08,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-10-16 16:13:08,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 277. [2022-10-16 16:13:08,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 257 states have (on average 1.556420233463035) internal successors, (400), 276 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 400 transitions. [2022-10-16 16:13:08,267 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 400 transitions. Word has length 46 [2022-10-16 16:13:08,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:08,268 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 400 transitions. [2022-10-16 16:13:08,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 400 transitions. [2022-10-16 16:13:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:13:08,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:08,274 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] [2022-10-16 16:13:08,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:13:08,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:08,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:08,278 INFO L85 PathProgramCache]: Analyzing trace with hash 4073740, now seen corresponding path program 1 times [2022-10-16 16:13:08,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:08,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140295911] [2022-10-16 16:13:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:08,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:08,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140295911] [2022-10-16 16:13:08,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140295911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:08,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:08,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:08,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944760503] [2022-10-16 16:13:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:08,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:08,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:08,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:08,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:08,553 INFO L87 Difference]: Start difference. First operand 277 states and 400 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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) [2022-10-16 16:13:08,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:08,635 INFO L93 Difference]: Finished difference Result 713 states and 1062 transitions. [2022-10-16 16:13:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:08,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 [2022-10-16 16:13:08,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:08,641 INFO L225 Difference]: With dead ends: 713 [2022-10-16 16:13:08,641 INFO L226 Difference]: Without dead ends: 479 [2022-10-16 16:13:08,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:08,645 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 177 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:08,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 573 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:08,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-10-16 16:13:08,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 459. [2022-10-16 16:13:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 439 states have (on average 1.601366742596811) internal successors, (703), 458 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 703 transitions. [2022-10-16 16:13:08,732 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 703 transitions. Word has length 66 [2022-10-16 16:13:08,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:08,733 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 703 transitions. [2022-10-16 16:13:08,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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) [2022-10-16 16:13:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 703 transitions. [2022-10-16 16:13:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:13:08,744 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:08,744 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] [2022-10-16 16:13:08,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:13:08,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:08,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:08,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1577398420, now seen corresponding path program 1 times [2022-10-16 16:13:08,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:08,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302351925] [2022-10-16 16:13:08,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:08,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:08,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:08,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302351925] [2022-10-16 16:13:08,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302351925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:08,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:08,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:08,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451385403] [2022-10-16 16:13:08,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:08,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:08,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:08,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:08,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:08,871 INFO L87 Difference]: Start difference. First operand 459 states and 703 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2022-10-16 16:13:08,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:08,951 INFO L93 Difference]: Finished difference Result 1227 states and 1919 transitions. [2022-10-16 16:13:08,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:08,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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 [2022-10-16 16:13:08,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:08,957 INFO L225 Difference]: With dead ends: 1227 [2022-10-16 16:13:08,957 INFO L226 Difference]: Without dead ends: 811 [2022-10-16 16:13:08,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:08,961 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 172 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:08,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 558 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2022-10-16 16:13:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 791. [2022-10-16 16:13:09,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 771 states have (on average 1.6277561608300908) internal successors, (1255), 790 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1255 transitions. [2022-10-16 16:13:09,034 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1255 transitions. Word has length 67 [2022-10-16 16:13:09,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:09,035 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1255 transitions. [2022-10-16 16:13:09,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2022-10-16 16:13:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1255 transitions. [2022-10-16 16:13:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:13:09,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:09,037 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] [2022-10-16 16:13:09,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:13:09,037 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:09,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:09,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1658317757, now seen corresponding path program 1 times [2022-10-16 16:13:09,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:09,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800651703] [2022-10-16 16:13:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:09,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:09,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800651703] [2022-10-16 16:13:09,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800651703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:09,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:09,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:09,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913427204] [2022-10-16 16:13:09,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:09,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:09,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:09,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:09,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:09,139 INFO L87 Difference]: Start difference. First operand 791 states and 1255 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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) [2022-10-16 16:13:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:09,312 INFO L93 Difference]: Finished difference Result 2159 states and 3471 transitions. [2022-10-16 16:13:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:09,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 [2022-10-16 16:13:09,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:09,323 INFO L225 Difference]: With dead ends: 2159 [2022-10-16 16:13:09,324 INFO L226 Difference]: Without dead ends: 1411 [2022-10-16 16:13:09,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:09,332 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 167 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:09,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 543 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:09,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2022-10-16 16:13:09,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1391. [2022-10-16 16:13:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1371 states have (on average 1.6418672501823486) internal successors, (2251), 1390 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2251 transitions. [2022-10-16 16:13:09,473 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2251 transitions. Word has length 68 [2022-10-16 16:13:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:09,476 INFO L495 AbstractCegarLoop]: Abstraction has 1391 states and 2251 transitions. [2022-10-16 16:13:09,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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) [2022-10-16 16:13:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2251 transitions. [2022-10-16 16:13:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:13:09,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:09,479 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] [2022-10-16 16:13:09,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:13:09,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:09,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:09,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1201823941, now seen corresponding path program 1 times [2022-10-16 16:13:09,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:09,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002249098] [2022-10-16 16:13:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:09,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:09,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002249098] [2022-10-16 16:13:09,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002249098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:09,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:09,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538519830] [2022-10-16 16:13:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:09,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:09,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:09,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:09,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:09,602 INFO L87 Difference]: Start difference. First operand 1391 states and 2251 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 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) [2022-10-16 16:13:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:09,836 INFO L93 Difference]: Finished difference Result 3831 states and 6251 transitions. [2022-10-16 16:13:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:09,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 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 [2022-10-16 16:13:09,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:09,852 INFO L225 Difference]: With dead ends: 3831 [2022-10-16 16:13:09,852 INFO L226 Difference]: Without dead ends: 2483 [2022-10-16 16:13:09,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:09,862 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 162 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:09,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 528 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:09,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2022-10-16 16:13:10,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2463. [2022-10-16 16:13:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2463 states, 2443 states have (on average 1.6483831354891527) internal successors, (4027), 2462 states have internal predecessors, (4027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2463 states and 4027 transitions. [2022-10-16 16:13:10,101 INFO L78 Accepts]: Start accepts. Automaton has 2463 states and 4027 transitions. Word has length 69 [2022-10-16 16:13:10,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:10,103 INFO L495 AbstractCegarLoop]: Abstraction has 2463 states and 4027 transitions. [2022-10-16 16:13:10,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 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) [2022-10-16 16:13:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 4027 transitions. [2022-10-16 16:13:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:13:10,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:10,105 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] [2022-10-16 16:13:10,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:13:10,105 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:10,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:10,106 INFO L85 PathProgramCache]: Analyzing trace with hash -467266854, now seen corresponding path program 1 times [2022-10-16 16:13:10,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:10,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461154385] [2022-10-16 16:13:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:10,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:10,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:10,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461154385] [2022-10-16 16:13:10,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461154385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:10,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:10,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:10,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626698528] [2022-10-16 16:13:10,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:10,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:10,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:10,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:10,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:10,307 INFO L87 Difference]: Start difference. First operand 2463 states and 4027 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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) [2022-10-16 16:13:11,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:11,057 INFO L93 Difference]: Finished difference Result 7301 states and 11995 transitions. [2022-10-16 16:13:11,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:11,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 [2022-10-16 16:13:11,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:11,100 INFO L225 Difference]: With dead ends: 7301 [2022-10-16 16:13:11,100 INFO L226 Difference]: Without dead ends: 7299 [2022-10-16 16:13:11,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:11,105 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 574 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:11,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 567 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:13:11,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7299 states. [2022-10-16 16:13:11,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7299 to 4863. [2022-10-16 16:13:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4863 states, 4843 states have (on average 1.6409250464588065) internal successors, (7947), 4862 states have internal predecessors, (7947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4863 states to 4863 states and 7947 transitions. [2022-10-16 16:13:11,592 INFO L78 Accepts]: Start accepts. Automaton has 4863 states and 7947 transitions. Word has length 70 [2022-10-16 16:13:11,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:11,592 INFO L495 AbstractCegarLoop]: Abstraction has 4863 states and 7947 transitions. [2022-10-16 16:13:11,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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) [2022-10-16 16:13:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4863 states and 7947 transitions. [2022-10-16 16:13:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:13:11,593 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:11,594 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] [2022-10-16 16:13:11,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:13:11,594 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:11,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:11,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1600370347, now seen corresponding path program 1 times [2022-10-16 16:13:11,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:11,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236440008] [2022-10-16 16:13:11,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:11,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:11,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:11,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236440008] [2022-10-16 16:13:11,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236440008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:11,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:11,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:11,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551938491] [2022-10-16 16:13:11,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:11,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:11,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:11,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:11,751 INFO L87 Difference]: Start difference. First operand 4863 states and 7947 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:12,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:12,501 INFO L93 Difference]: Finished difference Result 7281 states and 11931 transitions. [2022-10-16 16:13:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:13:12,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-16 16:13:12,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:12,541 INFO L225 Difference]: With dead ends: 7281 [2022-10-16 16:13:12,542 INFO L226 Difference]: Without dead ends: 7279 [2022-10-16 16:13:12,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:12,546 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 573 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:12,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 382 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:13:12,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7279 states. [2022-10-16 16:13:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7279 to 7263. [2022-10-16 16:13:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7263 states, 7243 states have (on average 1.6295733811956372) internal successors, (11803), 7262 states have internal predecessors, (11803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7263 states to 7263 states and 11803 transitions. [2022-10-16 16:13:13,331 INFO L78 Accepts]: Start accepts. Automaton has 7263 states and 11803 transitions. Word has length 71 [2022-10-16 16:13:13,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:13,331 INFO L495 AbstractCegarLoop]: Abstraction has 7263 states and 11803 transitions. [2022-10-16 16:13:13,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 7263 states and 11803 transitions. [2022-10-16 16:13:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:13:13,333 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:13,333 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] [2022-10-16 16:13:13,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:13:13,334 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:13,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1928127036, now seen corresponding path program 1 times [2022-10-16 16:13:13,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:13,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732269924] [2022-10-16 16:13:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:13,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:13,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732269924] [2022-10-16 16:13:13,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732269924] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:13,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:13,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:13,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291587168] [2022-10-16 16:13:13,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:13,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:13,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:13,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:13,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:13,461 INFO L87 Difference]: Start difference. First operand 7263 states and 11803 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:14,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:14,519 INFO L93 Difference]: Finished difference Result 12111 states and 19579 transitions. [2022-10-16 16:13:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:13:14,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-16 16:13:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:14,570 INFO L225 Difference]: With dead ends: 12111 [2022-10-16 16:13:14,570 INFO L226 Difference]: Without dead ends: 12109 [2022-10-16 16:13:14,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:13:14,577 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1117 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:14,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 797 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:13:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12109 states. [2022-10-16 16:13:15,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12109 to 9663. [2022-10-16 16:13:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9663 states, 9643 states have (on average 1.6172353002177746) internal successors, (15595), 9662 states have internal predecessors, (15595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9663 states to 9663 states and 15595 transitions. [2022-10-16 16:13:15,718 INFO L78 Accepts]: Start accepts. Automaton has 9663 states and 15595 transitions. Word has length 72 [2022-10-16 16:13:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:15,719 INFO L495 AbstractCegarLoop]: Abstraction has 9663 states and 15595 transitions. [2022-10-16 16:13:15,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 9663 states and 15595 transitions. [2022-10-16 16:13:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:13:15,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:15,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:15,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:13:15,721 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:15,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:15,722 INFO L85 PathProgramCache]: Analyzing trace with hash -357603785, now seen corresponding path program 1 times [2022-10-16 16:13:15,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:15,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913689343] [2022-10-16 16:13:15,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:15,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:15,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913689343] [2022-10-16 16:13:15,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913689343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:15,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:15,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:15,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596198896] [2022-10-16 16:13:15,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:15,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:15,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:15,868 INFO L87 Difference]: Start difference. First operand 9663 states and 15595 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) [2022-10-16 16:13:16,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:16,917 INFO L93 Difference]: Finished difference Result 12095 states and 19515 transitions. [2022-10-16 16:13:16,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:16,918 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 [2022-10-16 16:13:16,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:16,949 INFO L225 Difference]: With dead ends: 12095 [2022-10-16 16:13:16,949 INFO L226 Difference]: Without dead ends: 12093 [2022-10-16 16:13:16,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:13:16,954 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1124 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:16,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 582 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:13:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12093 states. [2022-10-16 16:13:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12093 to 12063. [2022-10-16 16:13:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12063 states, 12043 states have (on average 1.6045005397326249) internal successors, (19323), 12062 states have internal predecessors, (19323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:17,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12063 states to 12063 states and 19323 transitions. [2022-10-16 16:13:17,954 INFO L78 Accepts]: Start accepts. Automaton has 12063 states and 19323 transitions. Word has length 73 [2022-10-16 16:13:17,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:17,955 INFO L495 AbstractCegarLoop]: Abstraction has 12063 states and 19323 transitions. [2022-10-16 16:13:17,955 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) [2022-10-16 16:13:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 12063 states and 19323 transitions. [2022-10-16 16:13:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:13:17,956 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:17,956 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] [2022-10-16 16:13:17,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:13:17,957 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:17,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:17,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1799184798, now seen corresponding path program 1 times [2022-10-16 16:13:17,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:17,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28947779] [2022-10-16 16:13:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:17,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:18,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:18,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28947779] [2022-10-16 16:13:18,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28947779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:18,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:18,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:18,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961956229] [2022-10-16 16:13:18,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:18,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:18,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:18,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:18,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:18,096 INFO L87 Difference]: Start difference. First operand 12063 states and 19323 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:19,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:19,767 INFO L93 Difference]: Finished difference Result 19317 states and 30827 transitions. [2022-10-16 16:13:19,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:13:19,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:13:19,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:19,817 INFO L225 Difference]: With dead ends: 19317 [2022-10-16 16:13:19,818 INFO L226 Difference]: Without dead ends: 19315 [2022-10-16 16:13:19,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:13:19,828 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1489 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:19,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 1173 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:13:19,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19315 states. [2022-10-16 16:13:20,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19315 to 14463. [2022-10-16 16:13:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14463 states, 14443 states have (on average 1.5915668489925916) internal successors, (22987), 14462 states have internal predecessors, (22987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14463 states to 14463 states and 22987 transitions. [2022-10-16 16:13:21,008 INFO L78 Accepts]: Start accepts. Automaton has 14463 states and 22987 transitions. Word has length 74 [2022-10-16 16:13:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:21,008 INFO L495 AbstractCegarLoop]: Abstraction has 14463 states and 22987 transitions. [2022-10-16 16:13:21,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 14463 states and 22987 transitions. [2022-10-16 16:13:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:13:21,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:21,010 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] [2022-10-16 16:13:21,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:13:21,011 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:21,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:21,012 INFO L85 PathProgramCache]: Analyzing trace with hash -59845863, now seen corresponding path program 1 times [2022-10-16 16:13:21,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:21,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45546350] [2022-10-16 16:13:21,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:21,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:21,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:21,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45546350] [2022-10-16 16:13:21,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45546350] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:21,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:21,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:21,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593751324] [2022-10-16 16:13:21,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:21,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:21,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:21,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:21,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:21,144 INFO L87 Difference]: Start difference. First operand 14463 states and 22987 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:23,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:23,093 INFO L93 Difference]: Finished difference Result 19307 states and 30635 transitions. [2022-10-16 16:13:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:13:23,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-16 16:13:23,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:23,145 INFO L225 Difference]: With dead ends: 19307 [2022-10-16 16:13:23,145 INFO L226 Difference]: Without dead ends: 19305 [2022-10-16 16:13:23,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:13:23,157 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1775 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:23,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 812 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:13:23,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19305 states. [2022-10-16 16:13:24,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19305 to 19263. [2022-10-16 16:13:24,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19263 states, 19243 states have (on average 1.5787039442914306) internal successors, (30379), 19262 states have internal predecessors, (30379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19263 states to 19263 states and 30379 transitions. [2022-10-16 16:13:24,762 INFO L78 Accepts]: Start accepts. Automaton has 19263 states and 30379 transitions. Word has length 75 [2022-10-16 16:13:24,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:24,762 INFO L495 AbstractCegarLoop]: Abstraction has 19263 states and 30379 transitions. [2022-10-16 16:13:24,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 19263 states and 30379 transitions. [2022-10-16 16:13:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:13:24,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:24,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:24,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:13:24,765 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:24,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:24,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1855221504, now seen corresponding path program 1 times [2022-10-16 16:13:24,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:24,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231386530] [2022-10-16 16:13:24,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:24,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:24,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231386530] [2022-10-16 16:13:24,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231386530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:24,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:24,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:24,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115471799] [2022-10-16 16:13:24,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:24,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:24,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:24,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:24,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:24,949 INFO L87 Difference]: Start difference. First operand 19263 states and 30379 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:27,157 INFO L93 Difference]: Finished difference Result 48137 states and 75883 transitions. [2022-10-16 16:13:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:13:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:13:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:27,217 INFO L225 Difference]: With dead ends: 48137 [2022-10-16 16:13:27,218 INFO L226 Difference]: Without dead ends: 28917 [2022-10-16 16:13:27,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:13:27,249 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1835 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:27,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 1695 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:13:27,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28917 states. [2022-10-16 16:13:29,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28917 to 21663. [2022-10-16 16:13:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21663 states, 21643 states have (on average 1.5640622834172713) internal successors, (33851), 21662 states have internal predecessors, (33851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21663 states to 21663 states and 33851 transitions. [2022-10-16 16:13:29,247 INFO L78 Accepts]: Start accepts. Automaton has 21663 states and 33851 transitions. Word has length 76 [2022-10-16 16:13:29,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:29,247 INFO L495 AbstractCegarLoop]: Abstraction has 21663 states and 33851 transitions. [2022-10-16 16:13:29,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 21663 states and 33851 transitions. [2022-10-16 16:13:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:13:29,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:29,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:29,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:13:29,249 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:29,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:29,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1677291525, now seen corresponding path program 1 times [2022-10-16 16:13:29,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:29,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28755264] [2022-10-16 16:13:29,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:29,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:29,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:29,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28755264] [2022-10-16 16:13:29,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28755264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:29,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:29,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:29,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970557419] [2022-10-16 16:13:29,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:29,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:29,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:29,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:29,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:29,410 INFO L87 Difference]: Start difference. First operand 21663 states and 33851 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:32,558 INFO L93 Difference]: Finished difference Result 38553 states and 60587 transitions. [2022-10-16 16:13:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:13:32,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:13:32,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:32,633 INFO L225 Difference]: With dead ends: 38553 [2022-10-16 16:13:32,633 INFO L226 Difference]: Without dead ends: 38551 [2022-10-16 16:13:32,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:13:32,649 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 2884 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:32,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2884 Valid, 1477 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:13:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38551 states. [2022-10-16 16:13:35,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38551 to 38463. [2022-10-16 16:13:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38463 states, 38443 states have (on average 1.56103842051869) internal successors, (60011), 38462 states have internal predecessors, (60011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:35,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38463 states to 38463 states and 60011 transitions. [2022-10-16 16:13:35,809 INFO L78 Accepts]: Start accepts. Automaton has 38463 states and 60011 transitions. Word has length 77 [2022-10-16 16:13:35,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:35,809 INFO L495 AbstractCegarLoop]: Abstraction has 38463 states and 60011 transitions. [2022-10-16 16:13:35,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 38463 states and 60011 transitions. [2022-10-16 16:13:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:13:35,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:35,811 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:35,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:13:35,811 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:35,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:35,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1216395385, now seen corresponding path program 1 times [2022-10-16 16:13:35,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:35,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587894482] [2022-10-16 16:13:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:35,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:35,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:35,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587894482] [2022-10-16 16:13:35,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587894482] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:35,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:35,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:35,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089590297] [2022-10-16 16:13:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:35,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:35,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:35,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:35,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:35,920 INFO L87 Difference]: Start difference. First operand 38463 states and 60011 transitions. Second operand has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:39,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:39,075 INFO L93 Difference]: Finished difference Result 38554 states and 60133 transitions. [2022-10-16 16:13:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:39,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:13:39,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:39,132 INFO L225 Difference]: With dead ends: 38554 [2022-10-16 16:13:39,133 INFO L226 Difference]: Without dead ends: 38552 [2022-10-16 16:13:39,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:39,146 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 81 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:39,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 461 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:39,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38552 states. [2022-10-16 16:13:42,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38552 to 38552. [2022-10-16 16:13:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38552 states, 38532 states have (on average 1.5605470777535555) internal successors, (60131), 38551 states have internal predecessors, (60131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38552 states to 38552 states and 60131 transitions. [2022-10-16 16:13:42,323 INFO L78 Accepts]: Start accepts. Automaton has 38552 states and 60131 transitions. Word has length 82 [2022-10-16 16:13:42,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:42,323 INFO L495 AbstractCegarLoop]: Abstraction has 38552 states and 60131 transitions. [2022-10-16 16:13:42,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 38552 states and 60131 transitions. [2022-10-16 16:13:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:13:42,324 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:42,324 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:13:42,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:13:42,325 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:42,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:42,325 INFO L85 PathProgramCache]: Analyzing trace with hash -798078572, now seen corresponding path program 1 times [2022-10-16 16:13:42,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:42,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105895964] [2022-10-16 16:13:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:13:42,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:42,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105895964] [2022-10-16 16:13:42,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105895964] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:42,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:42,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:42,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772296723] [2022-10-16 16:13:42,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:42,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:42,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:42,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:42,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:42,415 INFO L87 Difference]: Start difference. First operand 38552 states and 60131 transitions. Second operand has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:45,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:45,400 INFO L93 Difference]: Finished difference Result 38552 states and 60131 transitions. [2022-10-16 16:13:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:45,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:13:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:45,594 INFO L225 Difference]: With dead ends: 38552 [2022-10-16 16:13:45,595 INFO L226 Difference]: Without dead ends: 38551 [2022-10-16 16:13:45,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:45,605 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 151 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:45,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 230 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:45,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38551 states. [2022-10-16 16:13:48,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38551 to 38551. [2022-10-16 16:13:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38551 states, 38532 states have (on average 1.5539032492473788) internal successors, (59875), 38550 states have internal predecessors, (59875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38551 states to 38551 states and 59875 transitions. [2022-10-16 16:13:48,919 INFO L78 Accepts]: Start accepts. Automaton has 38551 states and 59875 transitions. Word has length 86 [2022-10-16 16:13:48,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:48,920 INFO L495 AbstractCegarLoop]: Abstraction has 38551 states and 59875 transitions. [2022-10-16 16:13:48,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 38551 states and 59875 transitions. [2022-10-16 16:13:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:13:48,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:48,921 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:13:48,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:13:48,921 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1029368202, now seen corresponding path program 1 times [2022-10-16 16:13:48,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:48,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729484704] [2022-10-16 16:13:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:13:49,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:49,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729484704] [2022-10-16 16:13:49,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729484704] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:49,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:49,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:49,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988957544] [2022-10-16 16:13:49,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:49,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:49,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:49,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:49,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:49,005 INFO L87 Difference]: Start difference. First operand 38551 states and 59875 transitions. Second operand has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:52,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:52,151 INFO L93 Difference]: Finished difference Result 38551 states and 59875 transitions. [2022-10-16 16:13:52,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:52,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:13:52,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:52,197 INFO L225 Difference]: With dead ends: 38551 [2022-10-16 16:13:52,197 INFO L226 Difference]: Without dead ends: 38550 [2022-10-16 16:13:52,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:52,206 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 149 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:52,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 230 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:52,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38550 states. [2022-10-16 16:13:55,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38550 to 38550. [2022-10-16 16:13:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38550 states, 38532 states have (on average 1.547259420741202) internal successors, (59619), 38549 states have internal predecessors, (59619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38550 states to 38550 states and 59619 transitions. [2022-10-16 16:13:55,407 INFO L78 Accepts]: Start accepts. Automaton has 38550 states and 59619 transitions. Word has length 87 [2022-10-16 16:13:55,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:55,408 INFO L495 AbstractCegarLoop]: Abstraction has 38550 states and 59619 transitions. [2022-10-16 16:13:55,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 38550 states and 59619 transitions. [2022-10-16 16:13:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:13:55,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:55,413 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] [2022-10-16 16:13:55,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:13:55,414 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:13:55,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:55,414 INFO L85 PathProgramCache]: Analyzing trace with hash -687803125, now seen corresponding path program 1 times [2022-10-16 16:13:55,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:55,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884388948] [2022-10-16 16:13:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:55,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:55,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884388948] [2022-10-16 16:13:55,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884388948] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:55,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:55,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:55,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899343292] [2022-10-16 16:13:55,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:55,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:55,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:55,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:55,495 INFO L87 Difference]: Start difference. First operand 38550 states and 59619 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:02,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:02,425 INFO L93 Difference]: Finished difference Result 112634 states and 174006 transitions. [2022-10-16 16:14:02,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:02,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:14:02,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:02,541 INFO L225 Difference]: With dead ends: 112634 [2022-10-16 16:14:02,542 INFO L226 Difference]: Without dead ends: 74216 [2022-10-16 16:14:02,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:02,606 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 139 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:02,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 475 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:02,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74216 states. [2022-10-16 16:14:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74216 to 74198. [2022-10-16 16:14:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74198 states, 74180 states have (on average 1.5373146400647075) internal successors, (114038), 74197 states have internal predecessors, (114038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74198 states to 74198 states and 114038 transitions. [2022-10-16 16:14:09,632 INFO L78 Accepts]: Start accepts. Automaton has 74198 states and 114038 transitions. Word has length 109 [2022-10-16 16:14:09,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:09,633 INFO L495 AbstractCegarLoop]: Abstraction has 74198 states and 114038 transitions. [2022-10-16 16:14:09,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 74198 states and 114038 transitions. [2022-10-16 16:14:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:14:09,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:09,641 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:14:09,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:14:09,642 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:14:09,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash 612714125, now seen corresponding path program 1 times [2022-10-16 16:14:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:09,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416040615] [2022-10-16 16:14:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:09,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:09,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416040615] [2022-10-16 16:14:09,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416040615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:09,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:09,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:09,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214856613] [2022-10-16 16:14:09,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:09,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:09,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:09,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:09,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:09,722 INFO L87 Difference]: Start difference. First operand 74198 states and 114038 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:23,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:23,184 INFO L93 Difference]: Finished difference Result 216711 states and 332591 transitions. [2022-10-16 16:14:23,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:23,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:14:23,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:23,444 INFO L225 Difference]: With dead ends: 216711 [2022-10-16 16:14:23,444 INFO L226 Difference]: Without dead ends: 142709 [2022-10-16 16:14:23,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:23,523 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 137 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:23,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 458 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:23,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142709 states. [2022-10-16 16:14:37,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142709 to 142691. [2022-10-16 16:14:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142691 states, 142673 states have (on average 1.5263925199582262) internal successors, (217775), 142690 states have internal predecessors, (217775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142691 states to 142691 states and 217775 transitions. [2022-10-16 16:14:37,647 INFO L78 Accepts]: Start accepts. Automaton has 142691 states and 217775 transitions. Word has length 110 [2022-10-16 16:14:37,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:37,647 INFO L495 AbstractCegarLoop]: Abstraction has 142691 states and 217775 transitions. [2022-10-16 16:14:37,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 142691 states and 217775 transitions. [2022-10-16 16:14:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:14:37,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:37,660 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] [2022-10-16 16:14:37,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:14:37,661 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:14:37,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:37,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1888727436, now seen corresponding path program 1 times [2022-10-16 16:14:37,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:37,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857087793] [2022-10-16 16:14:37,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:37,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:14:37,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:37,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857087793] [2022-10-16 16:14:37,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857087793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:37,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:37,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:37,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139807185] [2022-10-16 16:14:37,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:37,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:37,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:37,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:37,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:37,805 INFO L87 Difference]: Start difference. First operand 142691 states and 217775 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:55,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:55,626 INFO L93 Difference]: Finished difference Result 196095 states and 301103 transitions. [2022-10-16 16:14:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:14:55,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:14:55,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:56,185 INFO L225 Difference]: With dead ends: 196095 [2022-10-16 16:14:56,185 INFO L226 Difference]: Without dead ends: 196093 [2022-10-16 16:14:56,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:56,236 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 311 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:56,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 718 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:14:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196093 states.