/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.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:12:53,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:12:53,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:12:53,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:12:53,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:12:53,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:12:53,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:12:53,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:12:53,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:12:53,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:12:53,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:12:53,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:12:53,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:12:53,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:12:53,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:12:53,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:12:53,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:12:53,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:12:53,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:12:53,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:12:53,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:12:53,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:12:53,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:12:53,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:12:53,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:12:53,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:12:53,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:12:53,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:12:53,314 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 16:12:53,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:12:53,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:12:53,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:12:53,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:12:53,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:12:53,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:12:53,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:12:53,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:12:53,346 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:12:53,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:12:53,346 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:12:53,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:12:53,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:12:53,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:12:53,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:12:53,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:12:53,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:12:53,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:12:53,348 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:12:53,348 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:12:53,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:12:53,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:12:53,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:12:53,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:12:53,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:12:53,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:12:53,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:12:53,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:12:53,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:12:53,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:12:53,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:12:53,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:12:53,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:12:53,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:12:53,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:12:53,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:12:53,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:12:53,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:12:53,759 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:12:53,761 INFO L432 ainManager$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.p+lhb-reducer.c [2022-10-16 16:12:53,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5150f40e/bcbfe173509743f6a90430a5ae7ee46f/FLAGc1e8adf6c [2022-10-16 16:12:54,623 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:12:54,623 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.p+lhb-reducer.c [2022-10-16 16:12:54,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5150f40e/bcbfe173509743f6a90430a5ae7ee46f/FLAGc1e8adf6c [2022-10-16 16:12:54,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5150f40e/bcbfe173509743f6a90430a5ae7ee46f [2022-10-16 16:12:54,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:12:54,887 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:12:54,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:12:54,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:12:54,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:12:54,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:54" (1/1) ... [2022-10-16 16:12:54,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e7b310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:54, skipping insertion in model container [2022-10-16 16:12:54,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:54" (1/1) ... [2022-10-16 16:12:54,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:12:54,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:12:55,463 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.p+lhb-reducer.c[11101,11114] [2022-10-16 16:12:55,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:12:55,608 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:12:55,724 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.p+lhb-reducer.c[11101,11114] [2022-10-16 16:12:55,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:12:55,810 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:12:55,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55 WrapperNode [2022-10-16 16:12:55,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:12:55,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:12:55,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:12:55,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:12:55,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:55,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:55,934 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1175 [2022-10-16 16:12:55,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:12:55,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:12:55,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:12:55,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:12:55,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:55,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:55,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:55,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:56,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:56,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:56,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:56,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:56,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:12:56,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:12:56,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:12:56,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:12:56,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (1/1) ... [2022-10-16 16:12:56,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:12:56,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:12:56,113 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 16:12:56,128 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 16:12:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:12:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:12:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:12:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:12:56,463 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:12:56,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:12:57,711 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:12:57,730 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:12:57,731 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:12:57,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:57 BoogieIcfgContainer [2022-10-16 16:12:57,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:12:57,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:12:57,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:12:57,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:12:57,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:12:54" (1/3) ... [2022-10-16 16:12:57,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1431d208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:57, skipping insertion in model container [2022-10-16 16:12:57,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:55" (2/3) ... [2022-10-16 16:12:57,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1431d208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:57, skipping insertion in model container [2022-10-16 16:12:57,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:57" (3/3) ... [2022-10-16 16:12:57,749 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-16 16:12:57,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:12:57,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2022-10-16 16:12:57,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:12:57,970 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;@5416ec74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:12:57,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-10-16 16:12:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 464 states, 395 states have (on average 1.7113924050632912) internal successors, (676), 463 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:12:58,000 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:58,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:12:58,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:12:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:58,015 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:12:58,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:58,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192376363] [2022-10-16 16:12:58,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:58,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:58,265 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 16:12:58,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:58,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192376363] [2022-10-16 16:12:58,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192376363] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:58,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:58,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:12:58,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366047701] [2022-10-16 16:12:58,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:58,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:12:58,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:58,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:12:58,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:12:58,318 INFO L87 Difference]: Start difference. First operand has 464 states, 395 states have (on average 1.7113924050632912) internal successors, (676), 463 states have internal predecessors, (676), 0 states have call successors, (0), 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 16:12:58,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:58,432 INFO L93 Difference]: Finished difference Result 467 states and 678 transitions. [2022-10-16 16:12:58,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:12:58,435 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 16:12:58,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:58,453 INFO L225 Difference]: With dead ends: 467 [2022-10-16 16:12:58,453 INFO L226 Difference]: Without dead ends: 453 [2022-10-16 16:12:58,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:12:58,462 INFO L413 NwaCegarLoop]: 667 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, 667 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 16:12:58,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:12:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-10-16 16:12:58,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2022-10-16 16:12:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 393 states have (on average 1.6768447837150127) internal successors, (659), 452 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 659 transitions. [2022-10-16 16:12:58,560 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 659 transitions. Word has length 4 [2022-10-16 16:12:58,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:58,560 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 659 transitions. [2022-10-16 16:12:58,561 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 16:12:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 659 transitions. [2022-10-16 16:12:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:12:58,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:58,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:58,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:12:58,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:12:58,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:58,564 INFO L85 PathProgramCache]: Analyzing trace with hash -2132043380, now seen corresponding path program 1 times [2022-10-16 16:12:58,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:58,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041467734] [2022-10-16 16:12:58,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:58,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:58,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:58,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041467734] [2022-10-16 16:12:58,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041467734] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:58,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:58,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:58,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227898001] [2022-10-16 16:12:58,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:58,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:12:58,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:58,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:12:58,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:58,844 INFO L87 Difference]: Start difference. First operand 453 states and 659 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:59,066 INFO L93 Difference]: Finished difference Result 862 states and 1244 transitions. [2022-10-16 16:12:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:59,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 16:12:59,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:59,074 INFO L225 Difference]: With dead ends: 862 [2022-10-16 16:12:59,074 INFO L226 Difference]: Without dead ends: 451 [2022-10-16 16:12:59,082 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 16:12:59,087 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 192 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:59,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 1720 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:12:59,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-10-16 16:12:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2022-10-16 16:12:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 393 states have (on average 1.5903307888040712) internal successors, (625), 450 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 625 transitions. [2022-10-16 16:12:59,155 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 625 transitions. Word has length 8 [2022-10-16 16:12:59,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:59,155 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 625 transitions. [2022-10-16 16:12:59,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 625 transitions. [2022-10-16 16:12:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:12:59,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:59,158 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] [2022-10-16 16:12:59,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:12:59,159 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:12:59,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 183917469, now seen corresponding path program 1 times [2022-10-16 16:12:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:59,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660374870] [2022-10-16 16:12:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:59,328 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 16:12:59,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:59,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660374870] [2022-10-16 16:12:59,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660374870] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:59,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:59,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:59,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989598005] [2022-10-16 16:12:59,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:59,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:12:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:59,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:12:59,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:12:59,332 INFO L87 Difference]: Start difference. First operand 451 states and 625 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:59,446 INFO L93 Difference]: Finished difference Result 1067 states and 1499 transitions. [2022-10-16 16:12:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:12:59,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 16:12:59,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:59,451 INFO L225 Difference]: With dead ends: 1067 [2022-10-16 16:12:59,451 INFO L226 Difference]: Without dead ends: 673 [2022-10-16 16:12:59,453 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 16:12:59,463 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 373 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:59,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1455 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:12:59,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-10-16 16:12:59,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 637. [2022-10-16 16:12:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 581 states have (on average 1.6110154905335627) internal successors, (936), 636 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 936 transitions. [2022-10-16 16:12:59,525 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 936 transitions. Word has length 47 [2022-10-16 16:12:59,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:59,527 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 936 transitions. [2022-10-16 16:12:59,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 936 transitions. [2022-10-16 16:12:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:12:59,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:59,535 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 16:12:59,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:12:59,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:12:59,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:59,541 INFO L85 PathProgramCache]: Analyzing trace with hash 999215841, now seen corresponding path program 1 times [2022-10-16 16:12:59,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:59,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727404636] [2022-10-16 16:12:59,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:59,747 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 16:12:59,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:59,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727404636] [2022-10-16 16:12:59,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727404636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:59,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:59,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:59,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904684313] [2022-10-16 16:12:59,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:59,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:12:59,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:59,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:12:59,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:12:59,751 INFO L87 Difference]: Start difference. First operand 637 states and 936 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 16:12:59,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:59,865 INFO L93 Difference]: Finished difference Result 1577 states and 2351 transitions. [2022-10-16 16:12:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:12:59,866 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 16:12:59,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:59,873 INFO L225 Difference]: With dead ends: 1577 [2022-10-16 16:12:59,873 INFO L226 Difference]: Without dead ends: 1010 [2022-10-16 16:12:59,875 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 16:12:59,876 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 363 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:59,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1227 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:12:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2022-10-16 16:12:59,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 972. [2022-10-16 16:12:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 916 states have (on average 1.6320960698689957) internal successors, (1495), 971 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1495 transitions. [2022-10-16 16:12:59,949 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1495 transitions. Word has length 67 [2022-10-16 16:12:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:59,950 INFO L495 AbstractCegarLoop]: Abstraction has 972 states and 1495 transitions. [2022-10-16 16:12:59,950 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 16:12:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1495 transitions. [2022-10-16 16:12:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:12:59,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:59,953 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 16:12:59,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:12:59,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:12:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:59,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1715530634, now seen corresponding path program 1 times [2022-10-16 16:12:59,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:59,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103977277] [2022-10-16 16:12:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:00,055 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 16:13:00,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:00,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103977277] [2022-10-16 16:13:00,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103977277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:00,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:00,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:00,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823369366] [2022-10-16 16:13:00,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:00,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:00,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:00,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:00,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:00,059 INFO L87 Difference]: Start difference. First operand 972 states and 1495 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 16:13:00,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:00,215 INFO L93 Difference]: Finished difference Result 2470 states and 3851 transitions. [2022-10-16 16:13:00,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:00,216 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 16:13:00,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:00,226 INFO L225 Difference]: With dead ends: 2470 [2022-10-16 16:13:00,226 INFO L226 Difference]: Without dead ends: 1581 [2022-10-16 16:13:00,229 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 16:13:00,230 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 348 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:00,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1060 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:00,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-10-16 16:13:00,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1543. [2022-10-16 16:13:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1487 states have (on average 1.6496301277740417) internal successors, (2453), 1542 states have internal predecessors, (2453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2453 transitions. [2022-10-16 16:13:00,378 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2453 transitions. Word has length 68 [2022-10-16 16:13:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:00,378 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2453 transitions. [2022-10-16 16:13:00,379 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 16:13:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2453 transitions. [2022-10-16 16:13:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:13:00,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:00,387 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 16:13:00,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:13:00,388 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:00,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash 8696934, now seen corresponding path program 1 times [2022-10-16 16:13:00,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:00,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495670824] [2022-10-16 16:13:00,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:00,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:00,564 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 16:13:00,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:00,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495670824] [2022-10-16 16:13:00,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495670824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:00,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:00,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:00,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860142088] [2022-10-16 16:13:00,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:00,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:00,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:00,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:00,569 INFO L87 Difference]: Start difference. First operand 1543 states and 2453 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 16:13:00,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:00,836 INFO L93 Difference]: Finished difference Result 3967 states and 6380 transitions. [2022-10-16 16:13:00,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:00,837 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 16:13:00,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:00,854 INFO L225 Difference]: With dead ends: 3967 [2022-10-16 16:13:00,854 INFO L226 Difference]: Without dead ends: 2520 [2022-10-16 16:13:00,858 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 16:13:00,863 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 333 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:00,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1025 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:00,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2520 states. [2022-10-16 16:13:01,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2520 to 2482. [2022-10-16 16:13:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2426 states have (on average 1.6648804616652926) internal successors, (4039), 2481 states have internal predecessors, (4039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:01,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 4039 transitions. [2022-10-16 16:13:01,148 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 4039 transitions. Word has length 69 [2022-10-16 16:13:01,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:01,149 INFO L495 AbstractCegarLoop]: Abstraction has 2482 states and 4039 transitions. [2022-10-16 16:13:01,149 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 16:13:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 4039 transitions. [2022-10-16 16:13:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:13:01,152 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:01,153 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 16:13:01,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:13:01,153 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:01,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:01,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1264155323, now seen corresponding path program 1 times [2022-10-16 16:13:01,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:01,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845969504] [2022-10-16 16:13:01,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:01,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:01,265 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 16:13:01,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:01,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845969504] [2022-10-16 16:13:01,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845969504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:01,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:01,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:01,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214508516] [2022-10-16 16:13:01,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:01,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:01,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:01,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:01,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:01,269 INFO L87 Difference]: Start difference. First operand 2482 states and 4039 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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 16:13:01,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:01,698 INFO L93 Difference]: Finished difference Result 6360 states and 10457 transitions. [2022-10-16 16:13:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:01,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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 16:13:01,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:01,729 INFO L225 Difference]: With dead ends: 6360 [2022-10-16 16:13:01,729 INFO L226 Difference]: Without dead ends: 3987 [2022-10-16 16:13:01,734 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 16:13:01,740 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 318 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:01,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 1035 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:01,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2022-10-16 16:13:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 3949. [2022-10-16 16:13:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3949 states, 3893 states have (on average 1.680195222193681) internal successors, (6541), 3948 states have internal predecessors, (6541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3949 states and 6541 transitions. [2022-10-16 16:13:02,152 INFO L78 Accepts]: Start accepts. Automaton has 3949 states and 6541 transitions. Word has length 70 [2022-10-16 16:13:02,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:02,154 INFO L495 AbstractCegarLoop]: Abstraction has 3949 states and 6541 transitions. [2022-10-16 16:13:02,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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 16:13:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3949 states and 6541 transitions. [2022-10-16 16:13:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:13:02,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:02,155 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 16:13:02,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:13:02,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:02,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash -201296297, now seen corresponding path program 1 times [2022-10-16 16:13:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:02,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614044721] [2022-10-16 16:13:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:02,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:02,360 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 16:13:02,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:02,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614044721] [2022-10-16 16:13:02,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614044721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:02,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:02,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:02,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945645705] [2022-10-16 16:13:02,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:02,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:02,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:02,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:02,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:02,363 INFO L87 Difference]: Start difference. First operand 3949 states and 6541 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 16:13:03,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:03,466 INFO L93 Difference]: Finished difference Result 10178 states and 16857 transitions. [2022-10-16 16:13:03,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:03,466 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 16:13:03,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:03,528 INFO L225 Difference]: With dead ends: 10178 [2022-10-16 16:13:03,528 INFO L226 Difference]: Without dead ends: 10172 [2022-10-16 16:13:03,533 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 16:13:03,534 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 1364 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:03,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 1063 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:13:03,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10172 states. [2022-10-16 16:13:04,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10172 to 7353. [2022-10-16 16:13:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7353 states, 7299 states have (on average 1.6642005754212905) internal successors, (12147), 7352 states have internal predecessors, (12147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7353 states to 7353 states and 12147 transitions. [2022-10-16 16:13:04,321 INFO L78 Accepts]: Start accepts. Automaton has 7353 states and 12147 transitions. Word has length 71 [2022-10-16 16:13:04,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:04,322 INFO L495 AbstractCegarLoop]: Abstraction has 7353 states and 12147 transitions. [2022-10-16 16:13:04,322 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 16:13:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 7353 states and 12147 transitions. [2022-10-16 16:13:04,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:13:04,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:04,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:04,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:13:04,324 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:04,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:04,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1945217671, now seen corresponding path program 1 times [2022-10-16 16:13:04,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:04,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077119679] [2022-10-16 16:13:04,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:04,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:04,457 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 16:13:04,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:04,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077119679] [2022-10-16 16:13:04,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077119679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:04,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:04,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:04,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051769203] [2022-10-16 16:13:04,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:04,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:04,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:04,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:04,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:04,460 INFO L87 Difference]: Start difference. First operand 7353 states and 12147 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 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 16:13:05,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:05,520 INFO L93 Difference]: Finished difference Result 10138 states and 16727 transitions. [2022-10-16 16:13:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:13:05,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 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 16:13:05,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:05,565 INFO L225 Difference]: With dead ends: 10138 [2022-10-16 16:13:05,565 INFO L226 Difference]: Without dead ends: 10132 [2022-10-16 16:13:05,570 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 16:13:05,571 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 1388 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:05,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 770 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:13:05,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10132 states. [2022-10-16 16:13:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10132 to 10102. [2022-10-16 16:13:06,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10102 states, 10050 states have (on average 1.6418905472636816) internal successors, (16501), 10101 states have internal predecessors, (16501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10102 states to 10102 states and 16501 transitions. [2022-10-16 16:13:06,658 INFO L78 Accepts]: Start accepts. Automaton has 10102 states and 16501 transitions. Word has length 72 [2022-10-16 16:13:06,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:06,659 INFO L495 AbstractCegarLoop]: Abstraction has 10102 states and 16501 transitions. [2022-10-16 16:13:06,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 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 16:13:06,659 INFO L276 IsEmpty]: Start isEmpty. Operand 10102 states and 16501 transitions. [2022-10-16 16:13:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:13:06,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:06,660 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 16:13:06,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:13:06,661 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:06,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:06,662 INFO L85 PathProgramCache]: Analyzing trace with hash -172205415, now seen corresponding path program 1 times [2022-10-16 16:13:06,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:06,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909354016] [2022-10-16 16:13:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:06,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:06,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:06,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909354016] [2022-10-16 16:13:06,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909354016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:06,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:06,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:06,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779135270] [2022-10-16 16:13:06,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:06,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:06,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:06,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:06,803 INFO L87 Difference]: Start difference. First operand 10102 states and 16501 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 16:13:08,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:08,465 INFO L93 Difference]: Finished difference Result 15979 states and 25897 transitions. [2022-10-16 16:13:08,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:13:08,466 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 16:13:08,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:08,508 INFO L225 Difference]: With dead ends: 15979 [2022-10-16 16:13:08,508 INFO L226 Difference]: Without dead ends: 15973 [2022-10-16 16:13:08,515 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 16:13:08,516 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 2429 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2429 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:08,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2429 Valid, 1374 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:13:08,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15973 states. [2022-10-16 16:13:09,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15973 to 13136. [2022-10-16 16:13:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13136 states, 13086 states have (on average 1.625171939477304) internal successors, (21267), 13135 states have internal predecessors, (21267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13136 states to 13136 states and 21267 transitions. [2022-10-16 16:13:09,993 INFO L78 Accepts]: Start accepts. Automaton has 13136 states and 21267 transitions. Word has length 73 [2022-10-16 16:13:09,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:09,993 INFO L495 AbstractCegarLoop]: Abstraction has 13136 states and 21267 transitions. [2022-10-16 16:13:09,994 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 16:13:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 13136 states and 21267 transitions. [2022-10-16 16:13:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:13:09,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:09,995 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 16:13:09,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:13:09,996 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:09,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:09,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1043400325, now seen corresponding path program 1 times [2022-10-16 16:13:09,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:09,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240115990] [2022-10-16 16:13:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:09,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:10,140 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 16:13:10,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:10,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240115990] [2022-10-16 16:13:10,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240115990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:10,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:10,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:10,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092696167] [2022-10-16 16:13:10,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:10,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:10,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:10,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:10,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:10,144 INFO L87 Difference]: Start difference. First operand 13136 states and 21267 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:13:11,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:11,999 INFO L93 Difference]: Finished difference Result 15930 states and 25739 transitions. [2022-10-16 16:13:12,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:12,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:13:12,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:12,050 INFO L225 Difference]: With dead ends: 15930 [2022-10-16 16:13:12,050 INFO L226 Difference]: Without dead ends: 15924 [2022-10-16 16:13:12,061 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 16:13:12,062 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 2525 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2525 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:12,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2525 Valid, 1076 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:13:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15924 states. [2022-10-16 16:13:13,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15924 to 15868. [2022-10-16 16:13:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15868 states, 15820 states have (on average 1.6076485461441214) internal successors, (25433), 15867 states have internal predecessors, (25433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15868 states to 15868 states and 25433 transitions. [2022-10-16 16:13:13,618 INFO L78 Accepts]: Start accepts. Automaton has 15868 states and 25433 transitions. Word has length 74 [2022-10-16 16:13:13,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:13,618 INFO L495 AbstractCegarLoop]: Abstraction has 15868 states and 25433 transitions. [2022-10-16 16:13:13,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:13:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 15868 states and 25433 transitions. [2022-10-16 16:13:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:13:13,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:13,620 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 16:13:13,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:13:13,620 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:13,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:13,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2014328539, now seen corresponding path program 1 times [2022-10-16 16:13:13,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:13,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847721526] [2022-10-16 16:13:13,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:13,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:13,766 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 16:13:13,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:13,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847721526] [2022-10-16 16:13:13,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847721526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:13,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:13,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:13,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222425321] [2022-10-16 16:13:13,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:13,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:13,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:13,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:13,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:13,770 INFO L87 Difference]: Start difference. First operand 15868 states and 25433 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 16:13:16,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:16,392 INFO L93 Difference]: Finished difference Result 24270 states and 38665 transitions. [2022-10-16 16:13:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:13:16,393 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 16:13:16,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:16,464 INFO L225 Difference]: With dead ends: 24270 [2022-10-16 16:13:16,465 INFO L226 Difference]: Without dead ends: 24264 [2022-10-16 16:13:16,477 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 16:13:16,478 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 3495 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:16,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 1719 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:13:16,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24264 states. [2022-10-16 16:13:17,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24264 to 18834. [2022-10-16 16:13:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18834 states, 18788 states have (on average 1.5911752182243986) internal successors, (29895), 18833 states have internal predecessors, (29895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18834 states to 18834 states and 29895 transitions. [2022-10-16 16:13:17,995 INFO L78 Accepts]: Start accepts. Automaton has 18834 states and 29895 transitions. Word has length 75 [2022-10-16 16:13:17,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:17,996 INFO L495 AbstractCegarLoop]: Abstraction has 18834 states and 29895 transitions. [2022-10-16 16:13:17,996 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 16:13:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 18834 states and 29895 transitions. [2022-10-16 16:13:17,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:13:17,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:17,998 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 16:13:17,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:13:17,999 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:17,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:17,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1980324483, now seen corresponding path program 1 times [2022-10-16 16:13:17,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:18,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455747625] [2022-10-16 16:13:18,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:18,260 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 16:13:18,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:18,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455747625] [2022-10-16 16:13:18,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455747625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:18,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:18,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:18,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250957698] [2022-10-16 16:13:18,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:18,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:18,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:18,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:18,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:18,263 INFO L87 Difference]: Start difference. First operand 18834 states and 29895 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 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 16:13:20,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:20,246 INFO L93 Difference]: Finished difference Result 24182 states and 38263 transitions. [2022-10-16 16:13:20,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:13:20,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 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 16:13:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:20,306 INFO L225 Difference]: With dead ends: 24182 [2022-10-16 16:13:20,306 INFO L226 Difference]: Without dead ends: 24176 [2022-10-16 16:13:20,419 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 16:13:20,420 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 3827 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:20,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3827 Valid, 1384 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:13:20,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24176 states. [2022-10-16 16:13:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24176 to 24098. [2022-10-16 16:13:22,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24098 states, 24054 states have (on average 1.5749979213436434) internal successors, (37885), 24097 states have internal predecessors, (37885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24098 states to 24098 states and 37885 transitions. [2022-10-16 16:13:22,095 INFO L78 Accepts]: Start accepts. Automaton has 24098 states and 37885 transitions. Word has length 76 [2022-10-16 16:13:22,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:22,096 INFO L495 AbstractCegarLoop]: Abstraction has 24098 states and 37885 transitions. [2022-10-16 16:13:22,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 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 16:13:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 24098 states and 37885 transitions. [2022-10-16 16:13:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:13:22,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:22,097 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 16:13:22,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:13:22,098 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:22,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:22,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1260516579, now seen corresponding path program 1 times [2022-10-16 16:13:22,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:22,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699508666] [2022-10-16 16:13:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:22,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:22,275 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 16:13:22,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:22,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699508666] [2022-10-16 16:13:22,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699508666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:22,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:22,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:22,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161544263] [2022-10-16 16:13:22,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:22,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:22,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:22,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:22,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:22,279 INFO L87 Difference]: Start difference. First operand 24098 states and 37885 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 16:13:25,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:25,400 INFO L93 Difference]: Finished difference Result 58826 states and 92352 transitions. [2022-10-16 16:13:25,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:13:25,401 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 16:13:25,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:25,466 INFO L225 Difference]: With dead ends: 58826 [2022-10-16 16:13:25,466 INFO L226 Difference]: Without dead ends: 34859 [2022-10-16 16:13:25,504 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 16:13:25,504 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 4424 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4424 SdHoareTripleChecker+Valid, 2106 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:25,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4424 Valid, 2106 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:13:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34859 states. [2022-10-16 16:13:27,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34859 to 26928. [2022-10-16 16:13:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26928 states, 26886 states have (on average 1.554749683850331) internal successors, (41801), 26927 states have internal predecessors, (41801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26928 states to 26928 states and 41801 transitions. [2022-10-16 16:13:27,498 INFO L78 Accepts]: Start accepts. Automaton has 26928 states and 41801 transitions. Word has length 77 [2022-10-16 16:13:27,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:27,499 INFO L495 AbstractCegarLoop]: Abstraction has 26928 states and 41801 transitions. [2022-10-16 16:13:27,499 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 16:13:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 26928 states and 41801 transitions. [2022-10-16 16:13:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:13:27,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:27,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:27,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:13:27,501 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:27,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:27,501 INFO L85 PathProgramCache]: Analyzing trace with hash -421308033, now seen corresponding path program 1 times [2022-10-16 16:13:27,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:27,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164881666] [2022-10-16 16:13:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:27,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:27,655 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 16:13:27,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:27,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164881666] [2022-10-16 16:13:27,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164881666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:27,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:27,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:27,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463651598] [2022-10-16 16:13:27,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:27,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:27,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:27,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:27,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:27,658 INFO L87 Difference]: Start difference. First operand 26928 states and 41801 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:31,711 INFO L93 Difference]: Finished difference Result 44724 states and 69701 transitions. [2022-10-16 16:13:31,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:13:31,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:13:31,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:31,773 INFO L225 Difference]: With dead ends: 44724 [2022-10-16 16:13:31,773 INFO L226 Difference]: Without dead ends: 44718 [2022-10-16 16:13:31,784 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 16:13:31,785 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 6710 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6710 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:31,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6710 Valid, 1731 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:13:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44718 states. [2022-10-16 16:13:34,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44718 to 44580. [2022-10-16 16:13:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44580 states, 44540 states have (on average 1.5491468343062416) internal successors, (68999), 44579 states have internal predecessors, (68999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44580 states to 44580 states and 68999 transitions. [2022-10-16 16:13:34,978 INFO L78 Accepts]: Start accepts. Automaton has 44580 states and 68999 transitions. Word has length 78 [2022-10-16 16:13:34,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:34,979 INFO L495 AbstractCegarLoop]: Abstraction has 44580 states and 68999 transitions. [2022-10-16 16:13:34,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:34,979 INFO L276 IsEmpty]: Start isEmpty. Operand 44580 states and 68999 transitions. [2022-10-16 16:13:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:13:34,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:34,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:34,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:13:34,981 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:34,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash -812448375, now seen corresponding path program 1 times [2022-10-16 16:13:34,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:34,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679803890] [2022-10-16 16:13:34,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:35,080 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 16:13:35,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:35,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679803890] [2022-10-16 16:13:35,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679803890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:35,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:35,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:35,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152570672] [2022-10-16 16:13:35,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:35,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:35,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:35,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:35,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:35,083 INFO L87 Difference]: Start difference. First operand 44580 states and 68999 transitions. Second operand has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:38,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:38,179 INFO L93 Difference]: Finished difference Result 44580 states and 68999 transitions. [2022-10-16 16:13:38,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:38,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:13:38,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:38,243 INFO L225 Difference]: With dead ends: 44580 [2022-10-16 16:13:38,244 INFO L226 Difference]: Without dead ends: 44578 [2022-10-16 16:13:38,263 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 16:13:38,266 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 463 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:38,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 538 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:38,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44578 states. [2022-10-16 16:13:41,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44578 to 44578. [2022-10-16 16:13:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44578 states, 44540 states have (on average 1.5433767400089806) internal successors, (68742), 44577 states have internal predecessors, (68742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44578 states to 44578 states and 68742 transitions. [2022-10-16 16:13:41,550 INFO L78 Accepts]: Start accepts. Automaton has 44578 states and 68742 transitions. Word has length 87 [2022-10-16 16:13:41,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:41,550 INFO L495 AbstractCegarLoop]: Abstraction has 44578 states and 68742 transitions. [2022-10-16 16:13:41,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 44578 states and 68742 transitions. [2022-10-16 16:13:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:13:41,551 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:41,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:41,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:13:41,551 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:41,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:41,552 INFO L85 PathProgramCache]: Analyzing trace with hash 583904430, now seen corresponding path program 1 times [2022-10-16 16:13:41,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:41,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897694779] [2022-10-16 16:13:41,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:41,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:41,665 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 16:13:41,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:41,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897694779] [2022-10-16 16:13:41,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897694779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:41,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:41,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:41,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847482698] [2022-10-16 16:13:41,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:41,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:41,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:41,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:41,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:41,668 INFO L87 Difference]: Start difference. First operand 44578 states and 68742 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:45,048 INFO L93 Difference]: Finished difference Result 44578 states and 68742 transitions. [2022-10-16 16:13:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:45,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:13:45,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:45,111 INFO L225 Difference]: With dead ends: 44578 [2022-10-16 16:13:45,111 INFO L226 Difference]: Without dead ends: 44576 [2022-10-16 16:13:45,123 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 16:13:45,124 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 460 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:45,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 538 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44576 states. [2022-10-16 16:13:48,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44576 to 44576. [2022-10-16 16:13:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44576 states, 44540 states have (on average 1.53760664571172) internal successors, (68485), 44575 states have internal predecessors, (68485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44576 states to 44576 states and 68485 transitions. [2022-10-16 16:13:48,985 INFO L78 Accepts]: Start accepts. Automaton has 44576 states and 68485 transitions. Word has length 88 [2022-10-16 16:13:48,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:48,986 INFO L495 AbstractCegarLoop]: Abstraction has 44576 states and 68485 transitions. [2022-10-16 16:13:48,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 44576 states and 68485 transitions. [2022-10-16 16:13:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:13:48,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:48,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:48,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:13:48,992 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:13:48,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:48,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1299477045, now seen corresponding path program 1 times [2022-10-16 16:13:48,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:48,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558854135] [2022-10-16 16:13:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:48,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:49,097 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 16:13:49,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:49,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558854135] [2022-10-16 16:13:49,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558854135] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:49,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:49,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:49,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742236404] [2022-10-16 16:13:49,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:49,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:49,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:49,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:49,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:49,100 INFO L87 Difference]: Start difference. First operand 44576 states and 68485 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 16:13:56,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:56,249 INFO L93 Difference]: Finished difference Result 129398 states and 198417 transitions. [2022-10-16 16:13:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:56,252 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 16:13:56,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:56,399 INFO L225 Difference]: With dead ends: 129398 [2022-10-16 16:13:56,399 INFO L226 Difference]: Without dead ends: 85006 [2022-10-16 16:13:56,456 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 16:13:56,457 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 412 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:56,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 1057 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85006 states. [2022-10-16 16:14:03,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85006 to 84970. [2022-10-16 16:14:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84970 states, 84934 states have (on average 1.526608896319495) internal successors, (129661), 84969 states have internal predecessors, (129661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84970 states to 84970 states and 129661 transitions. [2022-10-16 16:14:04,108 INFO L78 Accepts]: Start accepts. Automaton has 84970 states and 129661 transitions. Word has length 110 [2022-10-16 16:14:04,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:04,109 INFO L495 AbstractCegarLoop]: Abstraction has 84970 states and 129661 transitions. [2022-10-16 16:14:04,109 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 16:14:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 84970 states and 129661 transitions. [2022-10-16 16:14:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:14:04,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:04,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:04,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:14:04,116 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:14:04,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:04,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2002881994, now seen corresponding path program 1 times [2022-10-16 16:14:04,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:04,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612618392] [2022-10-16 16:14:04,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:04,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:04,219 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 16:14:04,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:04,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612618392] [2022-10-16 16:14:04,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612618392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:04,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:04,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:04,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64429875] [2022-10-16 16:14:04,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:04,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:04,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:04,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:04,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:04,223 INFO L87 Difference]: Start difference. First operand 84970 states and 129661 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:18,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:18,231 INFO L93 Difference]: Finished difference Result 247550 states and 376900 transitions. [2022-10-16 16:14:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:18,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 16:14:18,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:18,731 INFO L225 Difference]: With dead ends: 247550 [2022-10-16 16:14:18,731 INFO L226 Difference]: Without dead ends: 162801 [2022-10-16 16:14:18,864 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 16:14:18,865 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 427 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:18,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1057 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:19,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162801 states. [2022-10-16 16:14:33,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162801 to 162767. [2022-10-16 16:14:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162767 states, 162731 states have (on average 1.5147451929871998) internal successors, (246496), 162766 states have internal predecessors, (246496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162767 states to 162767 states and 246496 transitions. [2022-10-16 16:14:33,908 INFO L78 Accepts]: Start accepts. Automaton has 162767 states and 246496 transitions. Word has length 111 [2022-10-16 16:14:33,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:33,908 INFO L495 AbstractCegarLoop]: Abstraction has 162767 states and 246496 transitions. [2022-10-16 16:14:33,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:33,908 INFO L276 IsEmpty]: Start isEmpty. Operand 162767 states and 246496 transitions. [2022-10-16 16:14:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:14:33,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:33,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:33,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:14:33,938 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 16:14:33,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:33,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1807547906, now seen corresponding path program 1 times [2022-10-16 16:14:33,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:33,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550151173] [2022-10-16 16:14:33,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:33,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:34,109 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 16:14:34,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:34,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550151173] [2022-10-16 16:14:34,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550151173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:34,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:34,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:34,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420951099] [2022-10-16 16:14:34,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:34,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:34,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:34,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:34,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:34,112 INFO L87 Difference]: Start difference. First operand 162767 states and 246496 transitions. Second operand has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)