/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.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:15:07,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:15:07,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:15:07,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:15:07,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:15:07,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:15:07,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:15:07,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:15:07,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:15:07,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:15:07,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:15:07,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:15:07,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:15:07,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:15:07,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:15:07,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:15:07,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:15:07,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:15:07,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:15:07,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:15:07,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:15:07,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:15:07,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:15:07,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:15:07,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:15:07,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:15:07,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:15:07,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:15:07,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:15:07,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:15:07,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:15:07,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:15:07,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:15:07,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:15:07,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:15:07,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:15:07,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:15:07,351 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:15:07,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:15:07,352 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:15:07,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:15:07,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:15:07,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:15:07,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:15:07,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:15:07,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:15:07,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:15:07,354 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:15:07,354 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:15:07,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:15:07,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:15:07,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:15:07,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:15:07,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:15:07,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:15:07,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:15:07,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:15:07,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:15:07,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:15:07,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:15:07,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:15:07,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:15:07,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:15:07,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:15:07,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:15:07,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:15:07,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:15:07,830 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:15:07,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:15:07,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba1f2179/0466041430294e11bc81aa4aeb00df6b/FLAG60d2e8517 [2022-10-15 22:15:08,529 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:15:08,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:15:08,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba1f2179/0466041430294e11bc81aa4aeb00df6b/FLAG60d2e8517 [2022-10-15 22:15:08,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba1f2179/0466041430294e11bc81aa4aeb00df6b [2022-10-15 22:15:08,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:15:08,882 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:15:08,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:15:08,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:15:08,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:15:08,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:15:08" (1/1) ... [2022-10-15 22:15:08,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8695a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:08, skipping insertion in model container [2022-10-15 22:15:08,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:15:08" (1/1) ... [2022-10-15 22:15:08,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:15:08,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:15:09,278 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.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4067,4080] [2022-10-15 22:15:09,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:15:09,338 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:15:09,370 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.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4067,4080] [2022-10-15 22:15:09,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:15:09,401 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:15:09,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09 WrapperNode [2022-10-15 22:15:09,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:15:09,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:15:09,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:15:09,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:15:09,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,468 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 286 [2022-10-15 22:15:09,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:15:09,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:15:09,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:15:09,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:15:09,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:15:09,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:15:09,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:15:09,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:15:09,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (1/1) ... [2022-10-15 22:15:09,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:15:09,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:09,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:15:09,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:15:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:15:09,746 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:15:09,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:15:10,339 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:15:10,348 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:15:10,348 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:15:10,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:15:10 BoogieIcfgContainer [2022-10-15 22:15:10,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:15:10,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:15:10,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:15:10,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:15:10,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:15:08" (1/3) ... [2022-10-15 22:15:10,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4227737e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:15:10, skipping insertion in model container [2022-10-15 22:15:10,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:09" (2/3) ... [2022-10-15 22:15:10,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4227737e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:15:10, skipping insertion in model container [2022-10-15 22:15:10,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:15:10" (3/3) ... [2022-10-15 22:15:10,361 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:15:10,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:15:10,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-15 22:15:10,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:15:10,462 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;@5bae9786, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:15:10,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-15 22:15:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 75 states have (on average 1.7733333333333334) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 22:15:10,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:10,486 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] [2022-10-15 22:15:10,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:10,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1474878848, now seen corresponding path program 1 times [2022-10-15 22:15:10,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:10,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959434334] [2022-10-15 22:15:10,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:10,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:11,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:11,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959434334] [2022-10-15 22:15:11,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959434334] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:11,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:11,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:11,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458470772] [2022-10-15 22:15:11,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:11,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:11,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:11,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:11,081 INFO L87 Difference]: Start difference. First operand has 92 states, 75 states have (on average 1.7733333333333334) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:11,173 INFO L93 Difference]: Finished difference Result 226 states and 310 transitions. [2022-10-15 22:15:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:11,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-10-15 22:15:11,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:11,191 INFO L225 Difference]: With dead ends: 226 [2022-10-15 22:15:11,191 INFO L226 Difference]: Without dead ends: 147 [2022-10-15 22:15:11,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:11,200 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 94 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:11,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 301 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:11,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-10-15 22:15:11,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 133. [2022-10-15 22:15:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 117 states have (on average 1.5982905982905984) internal successors, (187), 132 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 187 transitions. [2022-10-15 22:15:11,272 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 187 transitions. Word has length 22 [2022-10-15 22:15:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:11,275 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 187 transitions. [2022-10-15 22:15:11,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 187 transitions. [2022-10-15 22:15:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 22:15:11,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:11,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:11,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:15:11,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:11,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:11,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1066362027, now seen corresponding path program 1 times [2022-10-15 22:15:11,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:11,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721237931] [2022-10-15 22:15:11,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:11,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:11,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:11,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721237931] [2022-10-15 22:15:11,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721237931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:11,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:11,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:11,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378257619] [2022-10-15 22:15:11,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:11,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:11,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:11,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:11,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:11,465 INFO L87 Difference]: Start difference. First operand 133 states and 187 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:11,536 INFO L93 Difference]: Finished difference Result 345 states and 497 transitions. [2022-10-15 22:15:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:11,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-15 22:15:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:11,540 INFO L225 Difference]: With dead ends: 345 [2022-10-15 22:15:11,541 INFO L226 Difference]: Without dead ends: 231 [2022-10-15 22:15:11,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:11,544 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 78 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:11,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 272 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-10-15 22:15:11,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 215. [2022-10-15 22:15:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 199 states have (on average 1.64321608040201) internal successors, (327), 214 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 327 transitions. [2022-10-15 22:15:11,583 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 327 transitions. Word has length 34 [2022-10-15 22:15:11,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:11,584 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 327 transitions. [2022-10-15 22:15:11,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 327 transitions. [2022-10-15 22:15:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-15 22:15:11,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:11,586 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] [2022-10-15 22:15:11,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:15:11,587 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:11,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:11,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1105026260, now seen corresponding path program 1 times [2022-10-15 22:15:11,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:11,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10275668] [2022-10-15 22:15:11,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:11,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:11,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10275668] [2022-10-15 22:15:11,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10275668] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:11,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:11,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:11,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877752172] [2022-10-15 22:15:11,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:11,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:11,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:11,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:11,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:11,766 INFO L87 Difference]: Start difference. First operand 215 states and 327 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:11,837 INFO L93 Difference]: Finished difference Result 575 states and 891 transitions. [2022-10-15 22:15:11,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:11,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-10-15 22:15:11,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:11,844 INFO L225 Difference]: With dead ends: 575 [2022-10-15 22:15:11,844 INFO L226 Difference]: Without dead ends: 379 [2022-10-15 22:15:11,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:11,848 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 73 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:11,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 268 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:11,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-10-15 22:15:11,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 363. [2022-10-15 22:15:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 347 states have (on average 1.6685878962536023) internal successors, (579), 362 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 579 transitions. [2022-10-15 22:15:11,909 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 579 transitions. Word has length 35 [2022-10-15 22:15:11,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:11,909 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 579 transitions. [2022-10-15 22:15:11,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 579 transitions. [2022-10-15 22:15:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 22:15:11,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:11,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:11,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:15:11,912 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1826037294, now seen corresponding path program 1 times [2022-10-15 22:15:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:11,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539144575] [2022-10-15 22:15:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:12,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:12,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539144575] [2022-10-15 22:15:12,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539144575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:12,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:12,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:12,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893902546] [2022-10-15 22:15:12,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:12,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:12,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:12,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:12,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:12,048 INFO L87 Difference]: Start difference. First operand 363 states and 579 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:12,313 INFO L93 Difference]: Finished difference Result 1048 states and 1699 transitions. [2022-10-15 22:15:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:12,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-15 22:15:12,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:12,322 INFO L225 Difference]: With dead ends: 1048 [2022-10-15 22:15:12,322 INFO L226 Difference]: Without dead ends: 1045 [2022-10-15 22:15:12,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:12,331 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 264 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:12,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 227 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-10-15 22:15:12,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 691. [2022-10-15 22:15:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 675 states have (on average 1.651851851851852) internal successors, (1115), 690 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1115 transitions. [2022-10-15 22:15:12,443 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1115 transitions. Word has length 36 [2022-10-15 22:15:12,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:12,443 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 1115 transitions. [2022-10-15 22:15:12,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1115 transitions. [2022-10-15 22:15:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 22:15:12,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:12,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:12,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:15:12,448 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:12,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:12,448 INFO L85 PathProgramCache]: Analyzing trace with hash -772581132, now seen corresponding path program 1 times [2022-10-15 22:15:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:12,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575227165] [2022-10-15 22:15:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:12,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:12,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:12,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575227165] [2022-10-15 22:15:12,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575227165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:12,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:12,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:12,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997469014] [2022-10-15 22:15:12,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:12,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:12,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:12,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:12,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:12,610 INFO L87 Difference]: Start difference. First operand 691 states and 1115 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:12,775 INFO L93 Difference]: Finished difference Result 1032 states and 1675 transitions. [2022-10-15 22:15:12,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:12,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-10-15 22:15:12,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:12,782 INFO L225 Difference]: With dead ends: 1032 [2022-10-15 22:15:12,782 INFO L226 Difference]: Without dead ends: 1029 [2022-10-15 22:15:12,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:12,785 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 263 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:12,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 150 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:12,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-10-15 22:15:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1019. [2022-10-15 22:15:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1003 states have (on average 1.6221335992023929) internal successors, (1627), 1018 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1627 transitions. [2022-10-15 22:15:12,918 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1627 transitions. Word has length 37 [2022-10-15 22:15:12,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:12,920 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 1627 transitions. [2022-10-15 22:15:12,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1627 transitions. [2022-10-15 22:15:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 22:15:12,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:12,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:12,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:15:12,925 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:12,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:12,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1819788820, now seen corresponding path program 1 times [2022-10-15 22:15:12,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:12,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314399866] [2022-10-15 22:15:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:12,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:13,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:13,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314399866] [2022-10-15 22:15:13,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314399866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:13,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:13,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:13,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330766554] [2022-10-15 22:15:13,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:13,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:13,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:13,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:13,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:13,096 INFO L87 Difference]: Start difference. First operand 1019 states and 1627 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:13,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:13,682 INFO L93 Difference]: Finished difference Result 3703 states and 5915 transitions. [2022-10-15 22:15:13,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:15:13,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-10-15 22:15:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:13,698 INFO L225 Difference]: With dead ends: 3703 [2022-10-15 22:15:13,698 INFO L226 Difference]: Without dead ends: 2703 [2022-10-15 22:15:13,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:15:13,703 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 537 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:13,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 497 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:13,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2703 states. [2022-10-15 22:15:13,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2703 to 2003. [2022-10-15 22:15:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 1987 states have (on average 1.5676899849018622) internal successors, (3115), 2002 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3115 transitions. [2022-10-15 22:15:13,903 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3115 transitions. Word has length 38 [2022-10-15 22:15:13,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:13,904 INFO L495 AbstractCegarLoop]: Abstraction has 2003 states and 3115 transitions. [2022-10-15 22:15:13,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3115 transitions. [2022-10-15 22:15:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 22:15:13,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:13,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:13,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:15:13,906 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:13,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:13,906 INFO L85 PathProgramCache]: Analyzing trace with hash 578878710, now seen corresponding path program 1 times [2022-10-15 22:15:13,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:13,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920223895] [2022-10-15 22:15:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:13,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:13,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920223895] [2022-10-15 22:15:13,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920223895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:13,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:13,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:14,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31262570] [2022-10-15 22:15:14,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:14,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:14,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:14,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:14,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:14,001 INFO L87 Difference]: Start difference. First operand 2003 states and 3115 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:14,431 INFO L93 Difference]: Finished difference Result 2686 states and 4211 transitions. [2022-10-15 22:15:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:15:14,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-15 22:15:14,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:14,448 INFO L225 Difference]: With dead ends: 2686 [2022-10-15 22:15:14,448 INFO L226 Difference]: Without dead ends: 2683 [2022-10-15 22:15:14,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:14,455 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 572 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:14,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 270 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:14,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2022-10-15 22:15:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2659. [2022-10-15 22:15:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2659 states, 2643 states have (on average 1.5387816874763527) internal successors, (4067), 2658 states have internal predecessors, (4067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 4067 transitions. [2022-10-15 22:15:14,778 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 4067 transitions. Word has length 39 [2022-10-15 22:15:14,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:14,778 INFO L495 AbstractCegarLoop]: Abstraction has 2659 states and 4067 transitions. [2022-10-15 22:15:14,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 4067 transitions. [2022-10-15 22:15:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:15:14,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:14,780 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] [2022-10-15 22:15:14,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:15:14,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:14,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:14,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1294007811, now seen corresponding path program 1 times [2022-10-15 22:15:14,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:14,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637454146] [2022-10-15 22:15:14,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:14,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:14,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:14,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637454146] [2022-10-15 22:15:14,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637454146] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:14,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:14,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:14,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148550335] [2022-10-15 22:15:14,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:14,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:14,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:14,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:14,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:14,850 INFO L87 Difference]: Start difference. First operand 2659 states and 4067 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:15,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:15,174 INFO L93 Difference]: Finished difference Result 6037 states and 9221 transitions. [2022-10-15 22:15:15,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:15,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-15 22:15:15,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:15,195 INFO L225 Difference]: With dead ends: 6037 [2022-10-15 22:15:15,195 INFO L226 Difference]: Without dead ends: 3397 [2022-10-15 22:15:15,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:15,200 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 49 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 192 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 [2022-10-15 22:15:15,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 192 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:15,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-10-15 22:15:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3369. [2022-10-15 22:15:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 3353 states have (on average 1.5165523411869968) internal successors, (5085), 3368 states have internal predecessors, (5085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 5085 transitions. [2022-10-15 22:15:15,568 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 5085 transitions. Word has length 45 [2022-10-15 22:15:15,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:15,568 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 5085 transitions. [2022-10-15 22:15:15,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 5085 transitions. [2022-10-15 22:15:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 22:15:15,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:15,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:15,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:15:15,570 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:15,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:15,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1597461336, now seen corresponding path program 1 times [2022-10-15 22:15:15,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:15,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326019337] [2022-10-15 22:15:15,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:15,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:15,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:15,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326019337] [2022-10-15 22:15:15,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326019337] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:15,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:15,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:15:15,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015135902] [2022-10-15 22:15:15,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:15,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:15,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:15,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:15,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:15,764 INFO L87 Difference]: Start difference. First operand 3369 states and 5085 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:16,200 INFO L93 Difference]: Finished difference Result 6727 states and 10149 transitions. [2022-10-15 22:15:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:16,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-15 22:15:16,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:16,219 INFO L225 Difference]: With dead ends: 6727 [2022-10-15 22:15:16,220 INFO L226 Difference]: Without dead ends: 3379 [2022-10-15 22:15:16,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:15:16,228 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 125 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:16,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 291 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:16,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2022-10-15 22:15:16,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3369. [2022-10-15 22:15:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 3353 states have (on average 1.5070086489710708) internal successors, (5053), 3368 states have internal predecessors, (5053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 5053 transitions. [2022-10-15 22:15:16,581 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 5053 transitions. Word has length 49 [2022-10-15 22:15:16,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:16,582 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 5053 transitions. [2022-10-15 22:15:16,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 5053 transitions. [2022-10-15 22:15:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:15:16,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:16,584 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] [2022-10-15 22:15:16,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:15:16,584 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:16,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:16,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2020217470, now seen corresponding path program 1 times [2022-10-15 22:15:16,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:16,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789045236] [2022-10-15 22:15:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:16,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:16,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:16,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789045236] [2022-10-15 22:15:16,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789045236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:16,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:16,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:15:16,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214178323] [2022-10-15 22:15:16,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:16,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:16,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:16,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:16,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:16,737 INFO L87 Difference]: Start difference. First operand 3369 states and 5053 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:16,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:16,994 INFO L93 Difference]: Finished difference Result 3404 states and 5094 transitions. [2022-10-15 22:15:16,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:16,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-15 22:15:16,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:17,011 INFO L225 Difference]: With dead ends: 3404 [2022-10-15 22:15:17,012 INFO L226 Difference]: Without dead ends: 3402 [2022-10-15 22:15:17,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:17,014 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 10 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:17,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 211 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:17,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2022-10-15 22:15:17,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3402. [2022-10-15 22:15:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3402 states, 3386 states have (on average 1.5038393384524513) internal successors, (5092), 3401 states have internal predecessors, (5092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 5092 transitions. [2022-10-15 22:15:17,308 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 5092 transitions. Word has length 50 [2022-10-15 22:15:17,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:17,308 INFO L495 AbstractCegarLoop]: Abstraction has 3402 states and 5092 transitions. [2022-10-15 22:15:17,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 5092 transitions. [2022-10-15 22:15:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:17,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:17,310 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:17,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:15:17,310 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:17,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:17,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1087747714, now seen corresponding path program 1 times [2022-10-15 22:15:17,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:17,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224832636] [2022-10-15 22:15:17,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:17,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:17,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224832636] [2022-10-15 22:15:17,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224832636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:17,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:17,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:15:17,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113172169] [2022-10-15 22:15:17,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:17,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:17,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:17,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:17,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:17,388 INFO L87 Difference]: Start difference. First operand 3402 states and 5092 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:17,687 INFO L93 Difference]: Finished difference Result 3402 states and 5092 transitions. [2022-10-15 22:15:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:17,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 55 [2022-10-15 22:15:17,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:17,706 INFO L225 Difference]: With dead ends: 3402 [2022-10-15 22:15:17,706 INFO L226 Difference]: Without dead ends: 3401 [2022-10-15 22:15:17,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:17,709 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:17,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 103 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:17,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2022-10-15 22:15:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3401. [2022-10-15 22:15:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3401 states, 3386 states have (on average 1.494388659184879) internal successors, (5060), 3400 states have internal predecessors, (5060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 5060 transitions. [2022-10-15 22:15:18,054 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 5060 transitions. Word has length 55 [2022-10-15 22:15:18,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:18,054 INFO L495 AbstractCegarLoop]: Abstraction has 3401 states and 5060 transitions. [2022-10-15 22:15:18,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 5060 transitions. [2022-10-15 22:15:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:15:18,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:18,056 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:18,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:15:18,057 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:18,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:18,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1703706015, now seen corresponding path program 1 times [2022-10-15 22:15:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:18,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009019446] [2022-10-15 22:15:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:18,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:15:18,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:18,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009019446] [2022-10-15 22:15:18,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009019446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:18,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:18,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:18,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587405208] [2022-10-15 22:15:18,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:18,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:18,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:18,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:18,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:18,158 INFO L87 Difference]: Start difference. First operand 3401 states and 5060 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:18,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:18,592 INFO L93 Difference]: Finished difference Result 4403 states and 6560 transitions. [2022-10-15 22:15:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:18,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 22:15:18,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:18,617 INFO L225 Difference]: With dead ends: 4403 [2022-10-15 22:15:18,618 INFO L226 Difference]: Without dead ends: 4400 [2022-10-15 22:15:18,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:18,621 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 125 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:18,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 290 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states. [2022-10-15 22:15:18,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 3445. [2022-10-15 22:15:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 3430 states have (on average 1.503206997084548) internal successors, (5156), 3444 states have internal predecessors, (5156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 5156 transitions. [2022-10-15 22:15:19,000 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 5156 transitions. Word has length 68 [2022-10-15 22:15:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:19,000 INFO L495 AbstractCegarLoop]: Abstraction has 3445 states and 5156 transitions. [2022-10-15 22:15:19,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 5156 transitions. [2022-10-15 22:15:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:15:19,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:19,002 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:19,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:15:19,003 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:19,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash 262940470, now seen corresponding path program 1 times [2022-10-15 22:15:19,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:19,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070086866] [2022-10-15 22:15:19,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:19,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:19,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:19,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070086866] [2022-10-15 22:15:19,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070086866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:19,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:19,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:19,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843362064] [2022-10-15 22:15:19,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:19,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:19,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:19,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:19,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:19,158 INFO L87 Difference]: Start difference. First operand 3445 states and 5156 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:19,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:19,736 INFO L93 Difference]: Finished difference Result 5390 states and 8036 transitions. [2022-10-15 22:15:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:19,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 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 69 [2022-10-15 22:15:19,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:19,763 INFO L225 Difference]: With dead ends: 5390 [2022-10-15 22:15:19,764 INFO L226 Difference]: Without dead ends: 5387 [2022-10-15 22:15:19,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:19,767 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 122 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:19,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 297 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:19,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5387 states. [2022-10-15 22:15:20,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5387 to 5369. [2022-10-15 22:15:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5369 states, 5354 states have (on average 1.4874859917818453) internal successors, (7964), 5368 states have internal predecessors, (7964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 5369 states and 7964 transitions. [2022-10-15 22:15:20,315 INFO L78 Accepts]: Start accepts. Automaton has 5369 states and 7964 transitions. Word has length 69 [2022-10-15 22:15:20,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:20,316 INFO L495 AbstractCegarLoop]: Abstraction has 5369 states and 7964 transitions. [2022-10-15 22:15:20,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 7964 transitions. [2022-10-15 22:15:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:15:20,318 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:20,318 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:20,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:15:20,319 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:20,319 INFO L85 PathProgramCache]: Analyzing trace with hash -438779888, now seen corresponding path program 1 times [2022-10-15 22:15:20,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:20,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483628605] [2022-10-15 22:15:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:20,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:20,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483628605] [2022-10-15 22:15:20,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483628605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:20,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:20,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:20,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893258064] [2022-10-15 22:15:20,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:20,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:20,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:20,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:20,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:20,449 INFO L87 Difference]: Start difference. First operand 5369 states and 7964 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:20,922 INFO L93 Difference]: Finished difference Result 5378 states and 7964 transitions. [2022-10-15 22:15:20,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:20,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 70 [2022-10-15 22:15:20,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:20,940 INFO L225 Difference]: With dead ends: 5378 [2022-10-15 22:15:20,940 INFO L226 Difference]: Without dead ends: 5375 [2022-10-15 22:15:20,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:20,943 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 131 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:20,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 218 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:20,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2022-10-15 22:15:21,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5366. [2022-10-15 22:15:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5366 states, 5354 states have (on average 1.460590212924916) internal successors, (7820), 5365 states have internal predecessors, (7820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5366 states to 5366 states and 7820 transitions. [2022-10-15 22:15:21,396 INFO L78 Accepts]: Start accepts. Automaton has 5366 states and 7820 transitions. Word has length 70 [2022-10-15 22:15:21,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:21,396 INFO L495 AbstractCegarLoop]: Abstraction has 5366 states and 7820 transitions. [2022-10-15 22:15:21,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 5366 states and 7820 transitions. [2022-10-15 22:15:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:15:21,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:21,398 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:21,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:15:21,398 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:21,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:21,399 INFO L85 PathProgramCache]: Analyzing trace with hash -878936349, now seen corresponding path program 1 times [2022-10-15 22:15:21,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:21,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644696789] [2022-10-15 22:15:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:21,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:15:21,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:21,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644696789] [2022-10-15 22:15:21,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644696789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:21,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:21,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:21,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652289981] [2022-10-15 22:15:21,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:21,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:21,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:21,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:21,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:21,526 INFO L87 Difference]: Start difference. First operand 5366 states and 7820 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:22,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:22,374 INFO L93 Difference]: Finished difference Result 10512 states and 15292 transitions. [2022-10-15 22:15:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:22,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:15:22,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:22,392 INFO L225 Difference]: With dead ends: 10512 [2022-10-15 22:15:22,392 INFO L226 Difference]: Without dead ends: 7124 [2022-10-15 22:15:22,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:22,399 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 286 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:22,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 385 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:22,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2022-10-15 22:15:22,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 7106. [2022-10-15 22:15:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7094 states have (on average 1.4367070764025938) internal successors, (10192), 7105 states have internal predecessors, (10192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10192 transitions. [2022-10-15 22:15:22,926 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10192 transitions. Word has length 70 [2022-10-15 22:15:22,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:22,927 INFO L495 AbstractCegarLoop]: Abstraction has 7106 states and 10192 transitions. [2022-10-15 22:15:22,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10192 transitions. [2022-10-15 22:15:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:15:22,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:22,928 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:22,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:15:22,928 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:22,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:22,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2113971101, now seen corresponding path program 1 times [2022-10-15 22:15:22,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:22,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997827930] [2022-10-15 22:15:22,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 22:15:23,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:23,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997827930] [2022-10-15 22:15:23,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997827930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:23,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:23,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:23,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926871367] [2022-10-15 22:15:23,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:23,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:23,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:23,070 INFO L87 Difference]: Start difference. First operand 7106 states and 10192 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:23,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:23,709 INFO L93 Difference]: Finished difference Result 12433 states and 17952 transitions. [2022-10-15 22:15:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:23,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:15:23,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:23,724 INFO L225 Difference]: With dead ends: 12433 [2022-10-15 22:15:23,724 INFO L226 Difference]: Without dead ends: 7121 [2022-10-15 22:15:23,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:23,735 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 283 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:23,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 384 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:23,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2022-10-15 22:15:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 7106. [2022-10-15 22:15:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7094 states have (on average 1.430504651818438) internal successors, (10148), 7105 states have internal predecessors, (10148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10148 transitions. [2022-10-15 22:15:24,443 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10148 transitions. Word has length 70 [2022-10-15 22:15:24,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:24,444 INFO L495 AbstractCegarLoop]: Abstraction has 7106 states and 10148 transitions. [2022-10-15 22:15:24,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10148 transitions. [2022-10-15 22:15:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:15:24,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:24,446 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:24,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:15:24,446 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:24,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:24,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1557264422, now seen corresponding path program 1 times [2022-10-15 22:15:24,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:24,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010637441] [2022-10-15 22:15:24,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:24,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:24,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010637441] [2022-10-15 22:15:24,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010637441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:24,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:24,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731355301] [2022-10-15 22:15:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:24,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:24,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:24,575 INFO L87 Difference]: Start difference. First operand 7106 states and 10148 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:25,391 INFO L93 Difference]: Finished difference Result 8111 states and 11648 transitions. [2022-10-15 22:15:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:25,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:15:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:25,406 INFO L225 Difference]: With dead ends: 8111 [2022-10-15 22:15:25,406 INFO L226 Difference]: Without dead ends: 8108 [2022-10-15 22:15:25,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:25,409 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 161 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:25,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 429 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:25,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8108 states. [2022-10-15 22:15:26,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8108 to 7106. [2022-10-15 22:15:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 7094 states have (on average 1.420355229771638) internal successors, (10076), 7105 states have internal predecessors, (10076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10076 transitions. [2022-10-15 22:15:26,210 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10076 transitions. Word has length 71 [2022-10-15 22:15:26,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:26,211 INFO L495 AbstractCegarLoop]: Abstraction has 7106 states and 10076 transitions. [2022-10-15 22:15:26,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10076 transitions. [2022-10-15 22:15:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:15:26,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:26,213 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:26,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:15:26,213 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:26,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:26,214 INFO L85 PathProgramCache]: Analyzing trace with hash -717274504, now seen corresponding path program 1 times [2022-10-15 22:15:26,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:26,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559699294] [2022-10-15 22:15:26,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:26,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:26,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559699294] [2022-10-15 22:15:26,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559699294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:26,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:26,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:26,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729344135] [2022-10-15 22:15:26,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:26,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:26,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:26,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:26,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:26,353 INFO L87 Difference]: Start difference. First operand 7106 states and 10076 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:27,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:27,082 INFO L93 Difference]: Finished difference Result 11069 states and 15788 transitions. [2022-10-15 22:15:27,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:27,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:15:27,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:27,097 INFO L225 Difference]: With dead ends: 11069 [2022-10-15 22:15:27,097 INFO L226 Difference]: Without dead ends: 9092 [2022-10-15 22:15:27,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:27,103 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 276 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:27,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 417 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:27,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9092 states. [2022-10-15 22:15:27,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9092 to 8090. [2022-10-15 22:15:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8090 states, 8078 states have (on average 1.4161921267640505) internal successors, (11440), 8089 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8090 states to 8090 states and 11440 transitions. [2022-10-15 22:15:27,876 INFO L78 Accepts]: Start accepts. Automaton has 8090 states and 11440 transitions. Word has length 71 [2022-10-15 22:15:27,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:27,876 INFO L495 AbstractCegarLoop]: Abstraction has 8090 states and 11440 transitions. [2022-10-15 22:15:27,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8090 states and 11440 transitions. [2022-10-15 22:15:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:15:27,878 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:27,878 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:27,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:15:27,878 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:27,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:27,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1477222905, now seen corresponding path program 1 times [2022-10-15 22:15:27,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:27,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899854104] [2022-10-15 22:15:27,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:27,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:15:28,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:28,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899854104] [2022-10-15 22:15:28,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899854104] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:28,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:28,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:28,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169503546] [2022-10-15 22:15:28,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:28,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:28,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:28,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:28,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:28,012 INFO L87 Difference]: Start difference. First operand 8090 states and 11440 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:28,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:28,854 INFO L93 Difference]: Finished difference Result 16084 states and 23160 transitions. [2022-10-15 22:15:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:28,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:15:28,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:28,869 INFO L225 Difference]: With dead ends: 16084 [2022-10-15 22:15:28,869 INFO L226 Difference]: Without dead ends: 10444 [2022-10-15 22:15:28,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:28,877 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 298 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:28,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 287 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:28,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10444 states. [2022-10-15 22:15:29,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10444 to 9302. [2022-10-15 22:15:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9302 states, 9290 states have (on average 1.4307857911733046) internal successors, (13292), 9301 states have internal predecessors, (13292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:29,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9302 states to 9302 states and 13292 transitions. [2022-10-15 22:15:29,731 INFO L78 Accepts]: Start accepts. Automaton has 9302 states and 13292 transitions. Word has length 71 [2022-10-15 22:15:29,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:29,733 INFO L495 AbstractCegarLoop]: Abstraction has 9302 states and 13292 transitions. [2022-10-15 22:15:29,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:29,733 INFO L276 IsEmpty]: Start isEmpty. Operand 9302 states and 13292 transitions. [2022-10-15 22:15:29,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:15:29,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:29,735 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:29,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:15:29,735 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:29,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:29,736 INFO L85 PathProgramCache]: Analyzing trace with hash -760673006, now seen corresponding path program 1 times [2022-10-15 22:15:29,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:29,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980846190] [2022-10-15 22:15:29,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:29,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:29,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:29,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980846190] [2022-10-15 22:15:29,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980846190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:29,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:29,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:29,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934581821] [2022-10-15 22:15:29,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:29,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:29,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:29,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:29,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:29,884 INFO L87 Difference]: Start difference. First operand 9302 states and 13292 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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) [2022-10-15 22:15:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:31,056 INFO L93 Difference]: Finished difference Result 19315 states and 28112 transitions. [2022-10-15 22:15:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:31,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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 72 [2022-10-15 22:15:31,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:31,075 INFO L225 Difference]: With dead ends: 19315 [2022-10-15 22:15:31,075 INFO L226 Difference]: Without dead ends: 12415 [2022-10-15 22:15:31,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:31,085 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 303 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:31,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 282 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:31,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2022-10-15 22:15:31,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 10426. [2022-10-15 22:15:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10426 states, 10414 states have (on average 1.4399846360668331) internal successors, (14996), 10425 states have internal predecessors, (14996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10426 states to 10426 states and 14996 transitions. [2022-10-15 22:15:31,778 INFO L78 Accepts]: Start accepts. Automaton has 10426 states and 14996 transitions. Word has length 72 [2022-10-15 22:15:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:31,779 INFO L495 AbstractCegarLoop]: Abstraction has 10426 states and 14996 transitions. [2022-10-15 22:15:31,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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) [2022-10-15 22:15:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 10426 states and 14996 transitions. [2022-10-15 22:15:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:15:31,781 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:31,781 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:31,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:15:31,781 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:31,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:31,782 INFO L85 PathProgramCache]: Analyzing trace with hash -157775411, now seen corresponding path program 1 times [2022-10-15 22:15:31,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:31,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96183421] [2022-10-15 22:15:31,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:31,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:15:31,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:31,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96183421] [2022-10-15 22:15:31,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96183421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:31,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:31,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:31,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610115236] [2022-10-15 22:15:31,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:31,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:31,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:31,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:31,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:31,954 INFO L87 Difference]: Start difference. First operand 10426 states and 14996 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:32,803 INFO L93 Difference]: Finished difference Result 10909 states and 15668 transitions. [2022-10-15 22:15:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:32,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:15:32,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:32,819 INFO L225 Difference]: With dead ends: 10909 [2022-10-15 22:15:32,819 INFO L226 Difference]: Without dead ends: 10906 [2022-10-15 22:15:32,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:32,825 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 197 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:32,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 442 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:32,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-10-15 22:15:33,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10894. [2022-10-15 22:15:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10894 states, 10882 states have (on average 1.4339275868406542) internal successors, (15604), 10893 states have internal predecessors, (15604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10894 states to 10894 states and 15604 transitions. [2022-10-15 22:15:33,677 INFO L78 Accepts]: Start accepts. Automaton has 10894 states and 15604 transitions. Word has length 72 [2022-10-15 22:15:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:33,678 INFO L495 AbstractCegarLoop]: Abstraction has 10894 states and 15604 transitions. [2022-10-15 22:15:33,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 10894 states and 15604 transitions. [2022-10-15 22:15:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:15:33,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:33,680 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:33,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:15:33,680 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:33,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:33,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1882494824, now seen corresponding path program 1 times [2022-10-15 22:15:33,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:33,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834537041] [2022-10-15 22:15:33,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:33,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:33,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:33,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834537041] [2022-10-15 22:15:33,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834537041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:33,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:33,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:33,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281889670] [2022-10-15 22:15:33,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:33,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:33,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:33,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:33,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:33,809 INFO L87 Difference]: Start difference. First operand 10894 states and 15604 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:35,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:35,649 INFO L93 Difference]: Finished difference Result 13870 states and 19960 transitions. [2022-10-15 22:15:35,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:35,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 22:15:35,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:35,685 INFO L225 Difference]: With dead ends: 13870 [2022-10-15 22:15:35,685 INFO L226 Difference]: Without dead ends: 13867 [2022-10-15 22:15:35,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:35,691 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 206 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:35,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 473 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:35,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13867 states. [2022-10-15 22:15:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13867 to 13846. [2022-10-15 22:15:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13846 states, 13834 states have (on average 1.435882608067081) internal successors, (19864), 13845 states have internal predecessors, (19864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13846 states to 13846 states and 19864 transitions. [2022-10-15 22:15:36,908 INFO L78 Accepts]: Start accepts. Automaton has 13846 states and 19864 transitions. Word has length 73 [2022-10-15 22:15:36,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:36,909 INFO L495 AbstractCegarLoop]: Abstraction has 13846 states and 19864 transitions. [2022-10-15 22:15:36,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 13846 states and 19864 transitions. [2022-10-15 22:15:36,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:15:36,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:36,911 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:36,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:15:36,911 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:36,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:36,912 INFO L85 PathProgramCache]: Analyzing trace with hash 580434978, now seen corresponding path program 1 times [2022-10-15 22:15:36,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:36,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275552087] [2022-10-15 22:15:36,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:37,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:37,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275552087] [2022-10-15 22:15:37,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275552087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:37,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:37,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:37,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72070915] [2022-10-15 22:15:37,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:37,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:37,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:37,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:37,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:37,064 INFO L87 Difference]: Start difference. First operand 13846 states and 19864 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:38,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:38,799 INFO L93 Difference]: Finished difference Result 14845 states and 21292 transitions. [2022-10-15 22:15:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:38,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 22:15:38,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:38,823 INFO L225 Difference]: With dead ends: 14845 [2022-10-15 22:15:38,823 INFO L226 Difference]: Without dead ends: 14842 [2022-10-15 22:15:38,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:38,829 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 184 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:38,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 481 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:38,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14842 states. [2022-10-15 22:15:39,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14842 to 14830. [2022-10-15 22:15:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14830 states, 14818 states have (on average 1.433661762721015) internal successors, (21244), 14829 states have internal predecessors, (21244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14830 states to 14830 states and 21244 transitions. [2022-10-15 22:15:40,004 INFO L78 Accepts]: Start accepts. Automaton has 14830 states and 21244 transitions. Word has length 73 [2022-10-15 22:15:40,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:40,004 INFO L495 AbstractCegarLoop]: Abstraction has 14830 states and 21244 transitions. [2022-10-15 22:15:40,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 14830 states and 21244 transitions. [2022-10-15 22:15:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:15:40,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:40,005 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:40,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:15:40,006 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:40,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:40,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1772202462, now seen corresponding path program 1 times [2022-10-15 22:15:40,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:40,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107989213] [2022-10-15 22:15:40,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:40,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:40,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:40,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107989213] [2022-10-15 22:15:40,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107989213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:40,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:40,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:40,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095020282] [2022-10-15 22:15:40,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:40,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:40,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:40,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:40,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:40,175 INFO L87 Difference]: Start difference. First operand 14830 states and 21244 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:41,250 INFO L93 Difference]: Finished difference Result 17221 states and 24696 transitions. [2022-10-15 22:15:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:41,250 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 74 [2022-10-15 22:15:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:41,264 INFO L225 Difference]: With dead ends: 17221 [2022-10-15 22:15:41,264 INFO L226 Difference]: Without dead ends: 10652 [2022-10-15 22:15:41,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:41,274 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 195 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:41,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 336 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:41,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10652 states. [2022-10-15 22:15:41,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10652 to 8078. [2022-10-15 22:15:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8078 states, 8066 states have (on average 1.4326803868088271) internal successors, (11556), 8077 states have internal predecessors, (11556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8078 states to 8078 states and 11556 transitions. [2022-10-15 22:15:41,976 INFO L78 Accepts]: Start accepts. Automaton has 8078 states and 11556 transitions. Word has length 74 [2022-10-15 22:15:41,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:41,976 INFO L495 AbstractCegarLoop]: Abstraction has 8078 states and 11556 transitions. [2022-10-15 22:15:41,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 8078 states and 11556 transitions. [2022-10-15 22:15:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 22:15:41,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:41,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:41,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:15:41,978 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:41,979 INFO L85 PathProgramCache]: Analyzing trace with hash -712207086, now seen corresponding path program 1 times [2022-10-15 22:15:41,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:41,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58676605] [2022-10-15 22:15:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:41,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:15:42,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:42,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58676605] [2022-10-15 22:15:42,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58676605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:42,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:42,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:42,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373673175] [2022-10-15 22:15:42,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:42,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:42,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:42,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:42,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:42,116 INFO L87 Difference]: Start difference. First operand 8078 states and 11556 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) [2022-10-15 22:15:42,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:42,909 INFO L93 Difference]: Finished difference Result 8324 states and 11888 transitions. [2022-10-15 22:15:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:42,910 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 75 [2022-10-15 22:15:42,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:42,921 INFO L225 Difference]: With dead ends: 8324 [2022-10-15 22:15:42,921 INFO L226 Difference]: Without dead ends: 8323 [2022-10-15 22:15:42,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:42,925 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 196 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:42,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 646 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:42,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8323 states. [2022-10-15 22:15:43,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8323 to 8078. [2022-10-15 22:15:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8078 states, 8066 states have (on average 1.4326803868088271) internal successors, (11556), 8077 states have internal predecessors, (11556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8078 states to 8078 states and 11556 transitions. [2022-10-15 22:15:43,755 INFO L78 Accepts]: Start accepts. Automaton has 8078 states and 11556 transitions. Word has length 75 [2022-10-15 22:15:43,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:43,756 INFO L495 AbstractCegarLoop]: Abstraction has 8078 states and 11556 transitions. [2022-10-15 22:15:43,756 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) [2022-10-15 22:15:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8078 states and 11556 transitions. [2022-10-15 22:15:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:15:43,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:43,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:43,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:15:43,763 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:43,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:43,764 INFO L85 PathProgramCache]: Analyzing trace with hash -343219185, now seen corresponding path program 1 times [2022-10-15 22:15:43,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:43,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560282069] [2022-10-15 22:15:43,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:43,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-15 22:15:43,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:43,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560282069] [2022-10-15 22:15:43,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560282069] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:43,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:43,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:43,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503718438] [2022-10-15 22:15:43,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:43,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:43,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:43,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:43,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:43,831 INFO L87 Difference]: Start difference. First operand 8078 states and 11556 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) [2022-10-15 22:15:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:44,840 INFO L93 Difference]: Finished difference Result 18359 states and 26448 transitions. [2022-10-15 22:15:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:44,841 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 76 [2022-10-15 22:15:44,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:44,859 INFO L225 Difference]: With dead ends: 18359 [2022-10-15 22:15:44,859 INFO L226 Difference]: Without dead ends: 11323 [2022-10-15 22:15:44,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:44,870 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 68 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:44,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 253 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:44,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11323 states. [2022-10-15 22:15:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11323 to 10918. [2022-10-15 22:15:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10918 states, 10906 states have (on average 1.4168347698514578) internal successors, (15452), 10917 states have internal predecessors, (15452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10918 states to 10918 states and 15452 transitions. [2022-10-15 22:15:45,877 INFO L78 Accepts]: Start accepts. Automaton has 10918 states and 15452 transitions. Word has length 76 [2022-10-15 22:15:45,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:45,878 INFO L495 AbstractCegarLoop]: Abstraction has 10918 states and 15452 transitions. [2022-10-15 22:15:45,878 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) [2022-10-15 22:15:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 10918 states and 15452 transitions. [2022-10-15 22:15:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:15:45,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:45,880 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:45,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:15:45,882 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:45,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:45,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1776790730, now seen corresponding path program 1 times [2022-10-15 22:15:45,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:45,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915187998] [2022-10-15 22:15:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:15:45,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:45,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915187998] [2022-10-15 22:15:45,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915187998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:45,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:45,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:15:45,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483529487] [2022-10-15 22:15:45,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:45,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:45,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:45,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:45,957 INFO L87 Difference]: Start difference. First operand 10918 states and 15452 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 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) [2022-10-15 22:15:46,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:46,870 INFO L93 Difference]: Finished difference Result 10918 states and 15452 transitions. [2022-10-15 22:15:46,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:46,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 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 [2022-10-15 22:15:46,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:46,888 INFO L225 Difference]: With dead ends: 10918 [2022-10-15 22:15:46,888 INFO L226 Difference]: Without dead ends: 10917 [2022-10-15 22:15:46,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:46,898 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 62 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:46,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 117 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10917 states. [2022-10-15 22:15:47,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10917 to 10917. [2022-10-15 22:15:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 10906 states have (on average 1.3834586466165413) internal successors, (15088), 10916 states have internal predecessors, (15088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 15088 transitions. [2022-10-15 22:15:47,888 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 15088 transitions. Word has length 77 [2022-10-15 22:15:47,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:47,889 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 15088 transitions. [2022-10-15 22:15:47,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 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) [2022-10-15 22:15:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 15088 transitions. [2022-10-15 22:15:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:15:47,890 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:47,890 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:47,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:15:47,891 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:47,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:47,891 INFO L85 PathProgramCache]: Analyzing trace with hash 754062377, now seen corresponding path program 1 times [2022-10-15 22:15:47,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:47,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979421325] [2022-10-15 22:15:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:47,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:47,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:47,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979421325] [2022-10-15 22:15:47,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979421325] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:47,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573994894] [2022-10-15 22:15:47,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:47,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:47,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:47,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:48,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 22:15:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:48,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:48,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:15:48,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:48,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573994894] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:48,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:48,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-10-15 22:15:48,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470950078] [2022-10-15 22:15:48,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:48,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:48,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:48,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:48,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:48,328 INFO L87 Difference]: Start difference. First operand 10917 states and 15088 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:49,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:49,509 INFO L93 Difference]: Finished difference Result 21805 states and 30143 transitions. [2022-10-15 22:15:49,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:49,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 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 78 [2022-10-15 22:15:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:49,528 INFO L225 Difference]: With dead ends: 21805 [2022-10-15 22:15:49,528 INFO L226 Difference]: Without dead ends: 10917 [2022-10-15 22:15:49,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:49,541 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 177 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:49,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 86 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:49,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10917 states. [2022-10-15 22:15:50,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10917 to 10917. [2022-10-15 22:15:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 10906 states have (on average 1.3703465982028242) internal successors, (14945), 10916 states have internal predecessors, (14945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 14945 transitions. [2022-10-15 22:15:50,638 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 14945 transitions. Word has length 78 [2022-10-15 22:15:50,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:50,638 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 14945 transitions. [2022-10-15 22:15:50,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 14945 transitions. [2022-10-15 22:15:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:15:50,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:50,641 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:50,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:50,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-15 22:15:50,855 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:50,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:50,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1621049458, now seen corresponding path program 1 times [2022-10-15 22:15:50,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:50,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446450540] [2022-10-15 22:15:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:50,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:50,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:50,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446450540] [2022-10-15 22:15:50,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446450540] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:50,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577907690] [2022-10-15 22:15:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:50,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:50,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 22:15:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:51,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:51,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 22:15:51,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:51,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577907690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:51,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:51,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-10-15 22:15:51,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690334797] [2022-10-15 22:15:51,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:51,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:51,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:51,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:51,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:15:51,181 INFO L87 Difference]: Start difference. First operand 10917 states and 14945 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:52,520 INFO L93 Difference]: Finished difference Result 21799 states and 29850 transitions. [2022-10-15 22:15:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:52,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 22:15:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:52,540 INFO L225 Difference]: With dead ends: 21799 [2022-10-15 22:15:52,540 INFO L226 Difference]: Without dead ends: 10917 [2022-10-15 22:15:52,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:52,554 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 166 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:52,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 94 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:52,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10917 states. [2022-10-15 22:15:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10917 to 10917. [2022-10-15 22:15:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 10906 states have (on average 1.357234549789107) internal successors, (14802), 10916 states have internal predecessors, (14802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 14802 transitions. [2022-10-15 22:15:53,689 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 14802 transitions. Word has length 78 [2022-10-15 22:15:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:53,689 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 14802 transitions. [2022-10-15 22:15:53,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 14802 transitions. [2022-10-15 22:15:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:15:53,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:53,696 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:53,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:53,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-15 22:15:53,911 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:53,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:53,912 INFO L85 PathProgramCache]: Analyzing trace with hash 978569481, now seen corresponding path program 1 times [2022-10-15 22:15:53,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:53,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68404814] [2022-10-15 22:15:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:53,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:54,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:54,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68404814] [2022-10-15 22:15:54,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68404814] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:54,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247160246] [2022-10-15 22:15:54,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:54,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:54,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:54,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:54,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 22:15:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:54,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 22:15:54,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:54,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:54,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247160246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:54,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:54,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-15 22:15:54,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442304435] [2022-10-15 22:15:54,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:54,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:54,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:54,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:54,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:54,184 INFO L87 Difference]: Start difference. First operand 10917 states and 14802 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 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) [2022-10-15 22:15:55,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:55,554 INFO L93 Difference]: Finished difference Result 10917 states and 14802 transitions. [2022-10-15 22:15:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:55,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 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 [2022-10-15 22:15:55,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:55,572 INFO L225 Difference]: With dead ends: 10917 [2022-10-15 22:15:55,572 INFO L226 Difference]: Without dead ends: 10916 [2022-10-15 22:15:55,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:55,577 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 111 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:55,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 185 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:55,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10916 states. [2022-10-15 22:15:56,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10916 to 10883. [2022-10-15 22:15:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10883 states, 10873 states have (on average 1.3244734663846225) internal successors, (14401), 10882 states have internal predecessors, (14401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10883 states to 10883 states and 14401 transitions. [2022-10-15 22:15:56,816 INFO L78 Accepts]: Start accepts. Automaton has 10883 states and 14401 transitions. Word has length 78 [2022-10-15 22:15:56,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:56,817 INFO L495 AbstractCegarLoop]: Abstraction has 10883 states and 14401 transitions. [2022-10-15 22:15:56,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 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) [2022-10-15 22:15:56,817 INFO L276 IsEmpty]: Start isEmpty. Operand 10883 states and 14401 transitions. [2022-10-15 22:15:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:15:56,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:56,822 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:56,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:57,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:57,037 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:15:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:57,038 INFO L85 PathProgramCache]: Analyzing trace with hash -49463809, now seen corresponding path program 1 times [2022-10-15 22:15:57,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:57,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609831496] [2022-10-15 22:15:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:57,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:15:57,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:57,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609831496] [2022-10-15 22:15:57,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609831496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:57,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:57,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:57,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657544397] [2022-10-15 22:15:57,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:57,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:57,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:57,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:57,151 INFO L87 Difference]: Start difference. First operand 10883 states and 14401 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:58,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:58,834 INFO L93 Difference]: Finished difference Result 11355 states and 15009 transitions. [2022-10-15 22:15:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:58,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-15 22:15:58,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:58,853 INFO L225 Difference]: With dead ends: 11355 [2022-10-15 22:15:58,853 INFO L226 Difference]: Without dead ends: 11352 [2022-10-15 22:15:58,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:58,859 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 121 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:58,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 407 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:58,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11352 states. [2022-10-15 22:16:00,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11352 to 10880. [2022-10-15 22:16:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10880 states, 10873 states have (on average 1.2987216039731444) internal successors, (14121), 10879 states have internal predecessors, (14121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10880 states to 10880 states and 14121 transitions. [2022-10-15 22:16:00,085 INFO L78 Accepts]: Start accepts. Automaton has 10880 states and 14121 transitions. Word has length 98 [2022-10-15 22:16:00,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:00,085 INFO L495 AbstractCegarLoop]: Abstraction has 10880 states and 14121 transitions. [2022-10-15 22:16:00,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 10880 states and 14121 transitions. [2022-10-15 22:16:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:16:00,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:00,089 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:00,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:16:00,090 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:16:00,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1966773995, now seen corresponding path program 1 times [2022-10-15 22:16:00,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:00,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734551572] [2022-10-15 22:16:00,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:00,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:16:00,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:00,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734551572] [2022-10-15 22:16:00,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734551572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:00,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:00,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:00,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185550735] [2022-10-15 22:16:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:00,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:00,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:00,327 INFO L87 Difference]: Start difference. First operand 10880 states and 14121 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:01,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:01,814 INFO L93 Difference]: Finished difference Result 12057 states and 15653 transitions. [2022-10-15 22:16:01,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:01,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 100 [2022-10-15 22:16:01,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:01,833 INFO L225 Difference]: With dead ends: 12057 [2022-10-15 22:16:01,833 INFO L226 Difference]: Without dead ends: 12056 [2022-10-15 22:16:01,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:01,838 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 187 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:01,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 483 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12056 states. [2022-10-15 22:16:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12056 to 11348. [2022-10-15 22:16:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11348 states, 11341 states have (on average 1.3001498985980073) internal successors, (14745), 11347 states have internal predecessors, (14745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11348 states to 11348 states and 14745 transitions. [2022-10-15 22:16:03,006 INFO L78 Accepts]: Start accepts. Automaton has 11348 states and 14745 transitions. Word has length 100 [2022-10-15 22:16:03,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:03,006 INFO L495 AbstractCegarLoop]: Abstraction has 11348 states and 14745 transitions. [2022-10-15 22:16:03,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 11348 states and 14745 transitions. [2022-10-15 22:16:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:16:03,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:03,011 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:03,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 22:16:03,012 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 22:16:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:03,012 INFO L85 PathProgramCache]: Analyzing trace with hash -290075903, now seen corresponding path program 2 times [2022-10-15 22:16:03,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:03,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135862807] [2022-10-15 22:16:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:16:03,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:03,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135862807] [2022-10-15 22:16:03,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135862807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:03,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:03,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:03,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173901607] [2022-10-15 22:16:03,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:03,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:03,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:03,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:03,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:03,215 INFO L87 Difference]: Start difference. First operand 11348 states and 14745 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)